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e506b99696
628189 Commits
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Xishi Qiu
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e506b99696 |
mem-hotplug: fix node spanned pages when we have a movable node
Commit
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Vlastimil Babka
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fdd4c6149a |
mm, vmscan: make compaction_ready() more accurate and readable
The compaction_ready() is used during direct reclaim for costly order allocations to skip reclaim for zones where compaction should be attempted instead. It's combining the standard compaction_suitable() check with its own watermark check based on high watermark with extra gap, and the result is confusing at best. This patch attempts to better structure and document the checks involved. First, compaction_suitable() can determine that the allocation should either succeed already, or that compaction doesn't have enough free pages to proceed. The third possibility is that compaction has enough free pages, but we still decide to reclaim first - unless we are already above the high watermark with gap. This does not mean that the reclaim will actually reach this watermark during single attempt, this is rather an over-reclaim protection. So document the code as such. The check for compaction_deferred() is removed completely, as it in fact had no proper role here. The result after this patch is mainly a less confusing code. We also skip some over-reclaim in cases where the allocation should already succed. Link: http://lkml.kernel.org/r/20160810091226.6709-12-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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8348faf91f |
mm, compaction: require only min watermarks for non-costly orders
The __compaction_suitable() function checks the low watermark plus a compact_gap() gap to decide if there's enough free memory to perform compaction. Then __isolate_free_page uses low watermark check to decide if particular free page can be isolated. In the latter case, using low watermark is needlessly pessimistic, as the free page isolations are only temporary. For __compaction_suitable() the higher watermark makes sense for high-order allocations where more freepages increase the chance of success, and we can typically fail with some order-0 fallback when the system is struggling to reach that watermark. But for low-order allocation, forming the page should not be that hard. So using low watermark here might just prevent compaction from even trying, and eventually lead to OOM killer even if we are above min watermarks. So after this patch, we use min watermark for non-costly orders in __compaction_suitable(), and for all orders in __isolate_free_page(). [vbabka@suse.cz: clarify __isolate_free_page() comment] Link: http://lkml.kernel.org/r/7ae4baec-4eca-e70b-2a69-94bea4fb19fa@suse.cz Link: http://lkml.kernel.org/r/20160810091226.6709-11-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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984fdba6a3 |
mm, compaction: use proper alloc_flags in __compaction_suitable()
The __compaction_suitable() function checks the low watermark plus a compact_gap() gap to decide if there's enough free memory to perform compaction. This check uses direct compactor's alloc_flags, but that's wrong, since these flags are not applicable for freepage isolation. For example, alloc_flags may indicate access to memory reserves, making compaction proceed, and then fail watermark check during the isolation. A similar problem exists for ALLOC_CMA, which may be part of alloc_flags, but not during freepage isolation. In this case however it makes sense to use ALLOC_CMA both in __compaction_suitable() and __isolate_free_page(), since there's actually nothing preventing the freepage scanner to isolate from CMA pageblocks, with the assumption that a page that could be migrated once by compaction can be migrated also later by CMA allocation. Thus we should count pages in CMA pageblocks when considering compaction suitability and when isolating freepages. To sum up, this patch should remove some false positives from __compaction_suitable(), and allow compaction to proceed when free pages required for compaction reside in the CMA pageblocks. Link: http://lkml.kernel.org/r/20160810091226.6709-10-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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9861a62c33 |
mm, compaction: create compact_gap wrapper
Compaction uses a watermark gap of (2UL << order) pages at various places and it's not immediately obvious why. Abstract it through a compact_gap() wrapper to create a single place with a thorough explanation. [vbabka@suse.cz: clarify the comment of compact_gap()] Link: http://lkml.kernel.org/r/7b6aed1f-fdf8-2063-9ff4-bbe4de712d37@suse.cz Link: http://lkml.kernel.org/r/20160810091226.6709-9-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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f2b8228c5f |
mm, compaction: use correct watermark when checking compaction success
The __compact_finished() function uses low watermark in a check that has to pass if the direct compaction is to finish and allocation should succeed. This is too pessimistic, as the allocation will typically use min watermark. It may happen that during compaction, we drop below the low watermark (due to parallel activity), but still form the target high-order page. By checking against low watermark, we might needlessly continue compaction. Similarly, __compaction_suitable() uses low watermark in a check whether allocation can succeed without compaction. Again, this is unnecessarily pessimistic. After this patch, these check will use direct compactor's alloc_flags to determine the watermark, which is effectively the min watermark. Link: http://lkml.kernel.org/r/20160810091226.6709-8-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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a8e025e55b |
mm, compaction: add the ultimate direct compaction priority
During reclaim/compaction loop, it's desirable to get a final answer from unsuccessful compaction so we can either fail the allocation or invoke the OOM killer. However, heuristics such as deferred compaction or pageblock skip bits can cause compaction to skip parts or whole zones and lead to premature OOM's, failures or excessive reclaim/compaction retries. To remedy this, we introduce a new direct compaction priority called COMPACT_PRIO_SYNC_FULL, which instructs direct compaction to: - ignore deferred compaction status for a zone - ignore pageblock skip hints - ignore cached scanner positions and scan the whole zone The new priority should get eventually picked up by should_compact_retry() and this should improve success rates for costly allocations using __GFP_REPEAT, such as hugetlbfs allocations, and reduce some corner-case OOM's for non-costly allocations. Link: http://lkml.kernel.org/r/20160810091226.6709-6-vbabka@suse.cz [vbabka@suse.cz: use the MIN_COMPACT_PRIORITY alias] Link: http://lkml.kernel.org/r/d443b884-87e7-1c93-8684-3a3a35759fb1@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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7ceb009a22 |
mm, compaction: don't recheck watermarks after COMPACT_SUCCESS
Joonsoo has reminded me that in a later patch changing watermark checks throughout compaction I forgot to update checks in try_to_compact_pages() and compactd_do_work(). Closer inspection however shows that they are redundant now in the success case, because compact_zone() now reliably reports this with COMPACT_SUCCESS. So effectively the checks just repeat (a subset) of checks that have just passed. So instead of checking watermarks again, just test the return value. Note it's also possible that compaction would declare failure e.g. because its find_suitable_fallback() is more strict than simple watermark check, and then the watermark check we are removing would then still succeed. After this patch this is not possible and it's arguably better, because for long-term fragmentation avoidance we should rather try a different zone than allocate with the unsuitable fallback. If compaction of all zones fail and the allocation is important enough, it will retry and succeed anyway. Also remove the stray "bool success" variable from kcompactd_do_work(). Link: http://lkml.kernel.org/r/20160810091226.6709-5-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reported-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@kernel.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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cf378319d3 |
mm, compaction: rename COMPACT_PARTIAL to COMPACT_SUCCESS
COMPACT_PARTIAL has historically meant that compaction returned after doing some work without fully compacting a zone. It however didn't distinguish if compaction terminated because it succeeded in creating the requested high-order page. This has changed recently and now we only return COMPACT_PARTIAL when compaction thinks it succeeded, or the high-order watermark check in compaction_suitable() passes and no compaction needs to be done. So at this point we can make the return value clearer by renaming it to COMPACT_SUCCESS. The next patch will remove some redundant tests for success where compaction just returned COMPACT_SUCCESS. Link: http://lkml.kernel.org/r/20160810091226.6709-4-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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791cae9620 |
mm, compaction: cleanup unused functions
Since kswapd compaction moved to kcompactd, compact_pgdat() is not called anymore, so we remove it. The only caller of __compact_pgdat() is compact_node(), so we merge them and remove code that was only reachable from kswapd. Link: http://lkml.kernel.org/r/20160810091226.6709-3-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: David Rientjes <rientjes@google.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vlastimil Babka
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06ed29989f |
mm, compaction: make whole_zone flag ignore cached scanner positions
Patch series "make direct compaction more deterministic")
This is mostly a followup to Michal's oom detection rework, which
highlighted the need for direct compaction to provide better feedback in
reclaim/compaction loop, so that it can reliably recognize when
compaction cannot make further progress, and allocation should invoke
OOM killer or fail. We've discussed this at LSF/MM [1] where I proposed
expanding the async/sync migration mode used in compaction to more
general "priorities". This patchset adds one new priority that just
overrides all the heuristics and makes compaction fully scan all zones.
I don't currently think that we need more fine-grained priorities, but
we'll see. Other than that there's some smaller fixes and cleanups,
mainly related to the THP-specific hacks.
I've tested this with stress-highalloc in GFP_KERNEL order-4 and
THP-like order-9 scenarios. There's some improvement for compaction
stats for the order-4, which is likely due to the better watermarks
handling. In the previous version I reported mostly noise wrt
compaction stats, and decreased direct reclaim - now the reclaim is
without difference. I believe this is due to the less aggressive
compaction priority increase in patch 6.
"before" is a mmotm tree prior to 4.7 release plus the first part of the
series that was sent and merged separately
before after
order-4:
Compaction stalls 27216 30759
Compaction success 19598 25475
Compaction failures 7617 5283
Page migrate success 370510 464919
Page migrate failure 25712 27987
Compaction pages isolated 849601 1041581
Compaction migrate scanned 143146541 101084990
Compaction free scanned 208355124 144863510
Compaction cost 1403 1210
order-9:
Compaction stalls 7311 7401
Compaction success 1634 1683
Compaction failures 5677 5718
Page migrate success 194657 183988
Page migrate failure 4753 4170
Compaction pages isolated 498790 456130
Compaction migrate scanned 565371 524174
Compaction free scanned 4230296 4250744
Compaction cost 215 203
[1] https://lwn.net/Articles/684611/
This patch (of 11):
A recent patch has added whole_zone flag that compaction sets when
scanning starts from the zone boundary, in order to report that zone has
been fully scanned in one attempt. For allocations that want to try
really hard or cannot fail, we will want to introduce a mode where
scanning whole zone is guaranteed regardless of the cached positions.
This patch reuses the whole_zone flag in a way that if it's already
passed true to compaction, the cached scanner positions are ignored.
Employing this flag during reclaim/compaction loop will be done in the
next patch. This patch however converts compaction invoked from
userspace via procfs to use this flag. Before this patch, the cached
positions were first reset to zone boundaries and then read back from
struct zone, so there was a window where a parallel compaction could
replace the reset values, making the manual compaction less effective.
Using the flag instead of performing reset is more robust.
[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/20160810091226.6709-2-vbabka@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Michal Hocko
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5870c2e1d7 |
mm/oom_kill.c: fix task_will_free_mem() comment
Attempt to demystify the task_will_free_mem() loop. Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vladimir Davydov
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58fa2a5512 |
mm: memcontrol: add sanity checks for memcg->id.ref on get/put
Link: http://lkml.kernel.org/r/1c5ddb1c171dbdfc3262252769d6138a29b35b70.1470219853.git.vdavydov@virtuozzo.com Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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zijun_hu
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252e5c6e2e |
mm/vmalloc.c: fix align value calculation error
It causes double align requirement for __get_vm_area_node() if parameter size is power of 2 and VM_IOREMAP is set in parameter flags, for example size=0x10000 -> fls_long(0x10000)=17 -> align=0x20000 get_count_order_long() is implemented and can be used instead of fls_long() for fixing the bug, for example size=0x10000 -> get_count_order_long(0x10000)=16 -> align=0x10000 [akpm@linux-foundation.org: s/get_order_long()/get_count_order_long()/] [zijun_hu@zoho.com: fixes] Link: http://lkml.kernel.org/r/57AABC8B.1040409@zoho.com [akpm@linux-foundation.org: locate get_count_order_long() next to get_count_order()] [akpm@linux-foundation.org: move get_count_order[_long] definitions to pick up fls_long()] [zijun_hu@htc.com: move out get_count_order[_long]() from __KERNEL__ scope] Link: http://lkml.kernel.org/r/57B2C4CE.80303@zoho.com Link: http://lkml.kernel.org/r/fc045ecf-20fa-0722-b3ac-9a6140488fad@zoho.com Signed-off-by: zijun_hu <zijun_hu@htc.com> Cc: Tejun Heo <tj@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Minchan Kim <minchan@kernel.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: zijun_hu <zijun_hu@htc.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vladimir Davydov
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7c5f64f844 |
mm: oom: deduplicate victim selection code for memcg and global oom
When selecting an oom victim, we use the same heuristic for both memory cgroup and global oom. The only difference is the scope of tasks to select the victim from. So we could just export an iterator over all memcg tasks and keep all oom related logic in oom_kill.c, but instead we duplicate pieces of it in memcontrol.c reusing some initially private functions of oom_kill.c in order to not duplicate all of it. That looks ugly and error prone, because any modification of select_bad_process should also be propagated to mem_cgroup_out_of_memory. Let's rework this as follows: keep all oom heuristic related code private to oom_kill.c and make oom_kill.c use exported memcg functions when it's really necessary (like in case of iterating over memcg tasks). Link: http://lkml.kernel.org/r/1470056933-7505-1-git-send-email-vdavydov@virtuozzo.com Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Joseph Qi
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48e509ece9 |
ocfs2: fix undefined struct variable in inode.h
The extern struct variable ocfs2_inode_cache is not defined. It meant to use ocfs2_inode_cachep defined in super.c, I think. Fortunately it is not used anywhere now, so no impact actually. Clean it up to fix this mistake. Link: http://lkml.kernel.org/r/57E1E49D.8050503@huawei.com Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Reviewed-by: Eric Ren <zren@suse.com> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Bhaktipriya Shridhar
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055fdcff35 |
fs/ocfs2/dlm: remove deprecated create_singlethread_workqueue()
The workqueue "dlm_worker" queues a single work item &dlm->dispatched_work and thus it doesn't require execution ordering. Hence, alloc_workqueue has been used to replace the deprecated create_singlethread_workqueue instance. The WQ_MEM_RECLAIM flag has been set to ensure forward progress under memory pressure. Since there are fixed number of work items, explicit concurrency limit is unnecessary here. Link: http://lkml.kernel.org/r/2b5ad8d6688effe1a9ddb2bc2082d26fbbe00302.1472590094.git.bhaktipriya96@gmail.com Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Bhaktipriya Shridhar
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44be975691 |
fs/ocfs2/super: remove deprecated create_singlethread_workqueue()
The workqueue "ocfs2_wq" queues multiple work items viz &osb->la_enable_wq, &journal->j_recovery_work, &os->os_orphan_scan_work, &osb->osb_truncate_log_wq which require strict execution ordering. Hence, an ordered dedicated workqueue has been used. WQ_MEM_RECLAIM has been set to ensure forward progress under memory pressure because the workqueue is being used on a memory reclaim path. Link: http://lkml.kernel.org/r/66279de510a7f4cfc6e386d99b7e04b3f65fb11b.1472590094.git.bhaktipriya96@gmail.com Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Bhaktipriya Shridhar
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bf940776c0 |
fs/ocfs2/cluster: remove deprecated create_singlethread_workqueue()
The workqueue "o2net_wq" queues multiple work items viz &old_sc->sc_shutdown_work, &sc->sc_rx_work, &sc->sc_connect_work which require strict execution ordering. Hence, an ordered dedicated workqueue has been used. WQ_MEM_RECLAIM has been set to ensure forward progress under memory pressure. Link: http://lkml.kernel.org/r/ddc12e5766c79ba26f8a00d98049107f8a1d4866.1472590094.git.bhaktipriya96@gmail.com Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Bhaktipriya Shridhar
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0b41be0763 |
fs/ocfs2/dlmfs: remove deprecated create_singlethread_workqueue()
The workqueue "user_dlm_worker" queues a single work item &lockres->l_work per user_lock_res instance and so it doesn't require execution ordering. Hence, alloc_workqueue has been used to replace the deprecated create_singlethread_workqueue instance. The WQ_MEM_RECLAIM flag has been set to ensure forward progress under memory pressure. Since there are fixed number of work items, explicit concurrency limit is unnecessary here. Link: http://lkml.kernel.org/r/9748136d3a3b18138ad1d6ba708367aa1fe9f98c.1472590094.git.bhaktipriya96@gmail.com Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Joseph Qi <joseph.qi@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jason A. Donenfeld
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3740dcdf8a |
jiffies: add time comparison functions for 64 bit jiffies
Though the time_before and time_after family of functions were nicely extended to support jiffies64, so that the interface would be consistent, it was forgotten to also extend the before/after jiffies functions to support jiffies64. This commit brings the interface to parity between jiffies and jiffies64, which is quite convenient. Link: http://lkml.kernel.org/r/20160929033319.12188-1-Jason@zx2c4.com Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jan Kara
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ed2726406c |
fsnotify: clean up spinlock assertions
Use assert_spin_locked() macro instead of hand-made BUG_ON statements. Link: http://lkml.kernel.org/r/1474537439-18919-1-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Suggested-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jan Kara
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0b1b86527d |
fanotify: fix possible false warning when freeing events
When freeing permission events by fsnotify_destroy_event(), the warning WARN_ON(!list_empty(&event->list)); may falsely hit. This is because although fanotify_get_response() saw event->response set, there is nothing to make sure the current CPU also sees the removal of the event from the list. Add proper locking around the WARN_ON() to avoid the false warning. Link: http://lkml.kernel.org/r/1473797711-14111-7-git-send-email-jack@suse.cz Reported-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jan Kara
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073f65522a |
fanotify: use notification_lock instead of access_lock
Fanotify code has its own lock (access_lock) to protect a list of events waiting for a response from userspace. However this is somewhat awkward as the same list_head in the event is protected by notification_lock if it is part of the notification queue and by access_lock if it is part of the fanotify private queue which makes it difficult for any reliable checks in the generic code. So make fanotify use the same lock - notification_lock - for protecting its private event list. Link: http://lkml.kernel.org/r/1473797711-14111-6-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jan Kara
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c21dbe20f6 |
fsnotify: convert notification_mutex to a spinlock
notification_mutex is used to protect the list of pending events. As such there's no reason to use a sleeping lock for it. Convert it to a spinlock. [jack@suse.cz: fixed version] Link: http://lkml.kernel.org/r/1474031567-1831-1-git-send-email-jack@suse.cz Link: http://lkml.kernel.org/r/1473797711-14111-5-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Tested-by: Guenter Roeck <linux@roeck-us.net> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jan Kara
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1404ff3cc3 |
fsnotify: drop notification_mutex before destroying event
fsnotify_flush_notify() and fanotify_release() destroy notification event while holding notification_mutex. The destruction of fanotify event includes a path_put() call which may end up calling into a filesystem to delete an inode if we happen to be the last holders of dentry reference which happens to be the last holder of inode reference. That in turn may violate lock ordering for some filesystems since notification_mutex is also acquired e. g. during write when generating fanotify event. Also this is the only thing that forces notification_mutex to be a sleeping lock. So drop notification_mutex before destroying a notification event. Link: http://lkml.kernel.org/r/1473797711-14111-4-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Lino Sanfilippo <LinoSanfilippo@gmx.de> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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87840a2b7e |
Merge branch 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: "Here is the 4.9 pull request from I2C including: - centralized error messages when registering to the core - improved lockdep annotations to prevent false positives - DT support for muxes, gates, and arbitrators - bus speeds can now be obtained from ACPI - i2c-octeon got refactored and now supports ThunderX SoCs, too - i2c-tegra and i2c-designware got a bigger bunch of updates - a couple of standard driver fixes and improvements" * 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (71 commits) i2c: axxia: disable clks in case of failure in probe i2c: octeon: thunderx: Limit register access retries i2c: uniphier-f: fix misdetection of incomplete STOP condition gpio: pca953x: variable 'id' was used twice i2c: i801: Add support for Kaby Lake PCH-H gpio: pca953x: fix an incorrect lockdep warning i2c: add a warning to i2c_adapter_depth() lockdep: make MAX_LOCKDEP_SUBCLASSES unconditionally visible i2c: export i2c_adapter_depth() i2c: rk3x: Fix variable 'min_total_ns' unused warning i2c: rk3x: Fix sparse warning i2c / ACPI: Do not touch an I2C device if it belongs to another adapter i2c: octeon: Fix high-level controller status check i2c: octeon: Avoid sending STOP during recovery i2c: octeon: Fix set SCL recovery function i2c: rcar: add support for r8a7796 (R-Car M3-W) i2c: imx: make bus recovery through pinctrl optional i2c: meson: add gxbb compatible string i2c: uniphier-f: set the adapter to master mode when probing i2c: uniphier-f: avoid WARN_ON() of clk_disable() in failure path ... |
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Linus Torvalds
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2ab704a47e |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina: "The usual rocket science from the trivial tree" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: tracing/syscalls: fix multiline in error message text lib/Kconfig.debug: fix DEBUG_SECTION_MISMATCH description doc: vfs: fix fadvise() sycall name x86/entry: spell EBX register correctly in documentation securityfs: fix securityfs_create_dir comment irq: Fix typo in tracepoint.xml |
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Linus Torvalds
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ddc4e6d232 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching updates from Jiri Kosina: - fix for patching modules that contain .altinstructions or .parainstructions sections, from Jessica Yu - make TAINT_LIVEPATCH a per-module flag (so that it's immediately clear which module caused the taint), from Josh Poimboeuf * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: livepatch/module: make TAINT_LIVEPATCH module-specific Documentation: livepatch: add section about arch-specific code livepatch/x86: apply alternatives and paravirt patches after relocations livepatch: use arch_klp_init_object_loaded() to finish arch-specific tasks |
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Linus Torvalds
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bc75450cc3 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina: - Integrated Sensor Hub support (Cherrytrail+) from Srinivas Pandruvada - Big cleanup of Wacom driver; namely it's now using devres, and the standardized LED API so that libinput doesn't need to have root access any more, with substantial amount of other cleanups piggy-backing on top. All this from Benjamin Tissoires - Report descriptor parsing would now ignore and out-of-range System controls in case of the application actually being System Control. This fixes quite some issues with several devices, and allows us to remove a few ->report_fixup callbacks. From Benjamin Tissoires - ... a lot of other assorted small fixes and device ID additions * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (76 commits) HID: add missing \n to end of dev_warn messages HID: alps: fix multitouch cursor issue HID: hid-logitech: Documentation updates/corrections HID: hid-logitech: Improve Wingman Formula Force GP support HID: hid-logitech: Rewrite of descriptor for all DF wheels HID: hid-logitech: Compute combined pedals value HID: hid-logitech: Add combined pedal support Logitech wheels HID: hid-logitech: Introduce control for combined pedals feature HID: sony: Update copyright and add Dualshock 4 rate control note HID: sony: Defer the initial USB Sixaxis output report HID: sony: Relax duplicate checking for USB-only devices Revert "HID: microsoft: fix invalid rdesc for 3k kbd" HID: alps: fix error return code in alps_input_configured() HID: alps: fix stick device not working after resume HID: support for keyboard - Corsair STRAFE HID: alps: Fix memory leak HID: uclogic: Add support for UC-Logic TWHA60 v3 HID: uclogic: Override constant descriptors HID: uclogic: Support UGTizer GP0610 partially HID: uclogic: Add support for several more tablets ... |
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Linus Torvalds
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e6e3d8f8f4 |
PCI changes for the v4.9 merge window:
Enumeration
microblaze: Add multidomain support for procfs (Bharat Kumar Gogada)
Resource management
Ignore requested alignment for PROBE_ONLY and fixed resources (Yongji Xie)
Ignore requested alignment for VF BARs (Yongji Xie)
PCI device hotplug
Make core explicitly non-modular (Paul Gortmaker)
PCIe native device hotplug
Rename pcie_isr() locals for clarity (Bjorn Helgaas)
Return IRQ_NONE when we can't read interrupt status (Bjorn Helgaas)
Remove unnecessary guard (Bjorn Helgaas)
Clean up dmesg "Slot(%s)" messages (Bjorn Helgaas)
Remove useless pciehp_get_latch_status() calls (Bjorn Helgaas)
Clear attention LED on device add (Keith Busch)
Allow exclusive userspace control of indicators (Keith Busch)
Process all hotplug events before looking for new ones (Mayurkumar Patel)
Don't re-read Slot Status when queuing hotplug event (Mayurkumar Patel)
Don't re-read Slot Status when handling surprise event (Mayurkumar Patel)
Make explicitly non-modular (Paul Gortmaker)
Power management
Afford direct-complete to devices with non-standard PM (Lukas Wunner)
Query platform firmware for device power state (Lukas Wunner)
Recognize D3cold in pci_update_current_state() (Lukas Wunner)
Avoid unnecessary resume after direct-complete (Lukas Wunner)
Make explicitly non-modular (Paul Gortmaker)
Virtualization
Mark Atheros AR9580 to avoid bus reset (Maik Broemme)
Check for pci_setup_device() failure in pci_iov_add_virtfn() (Po Liu)
MSI
Enable PCI_MSI_IRQ_DOMAIN support for ARC (Joao Pinto)
AER
Remove aerdriver.nosourceid kernel parameter (Bjorn Helgaas)
Remove aerdriver.forceload kernel parameter (Bjorn Helgaas)
Fix aer_probe() kernel-doc comment (Cao jin)
Add bus flag to skip source ID matching (Jon Derrick)
Avoid memory allocation in interrupt handling path (Jon Derrick)
Cache capability position (Keith Busch)
Make explicitly non-modular (Paul Gortmaker)
Remove duplicate AER severity translation (Tyler Baicar)
Send correct severity to calculate AER severity (Tyler Baicar)
Precision Time Measurement
Add Precision Time Measurement (PTM) support (Jonathan Yong)
Add PTM clock granularity information (Bjorn Helgaas)
Add pci_enable_ptm() for drivers to enable PTM on endpoints (Bjorn Helgaas)
Generic host bridge driver
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Make explicitly non-modular (Paul Gortmaker)
Altera host bridge driver
Remove redundant platform_get_resource() return value check (Bjorn Helgaas)
Poll for link training status after retraining the link (Ley Foon Tan)
Rework config accessors for use without a struct pci_bus (Ley Foon Tan)
Move retrain from fixup to altera_pcie_host_init() (Ley Foon Tan)
Make MSI explicitly non-modular (Paul Gortmaker)
Make explicitly non-modular (Paul Gortmaker)
Relax device number checking to allow SR-IOV (Po Liu)
ARM Versatile host bridge driver
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Axis ARTPEC-6 host bridge driver
Drop __init from artpec6_add_pcie_port() (Niklas Cassel)
Freescale i.MX6 host bridge driver
Make explicitly non-modular (Paul Gortmaker)
Intel VMD host bridge driver
Add quirk for AER to ignore source ID (Jon Derrick)
Allocate IRQ lists with correct MSI-X count (Jon Derrick)
Convert to use pci_alloc_irq_vectors() API (Jon Derrick)
Eliminate vmd_vector member from list type (Jon Derrick)
Eliminate index member from IRQ list (Jon Derrick)
Synchronize with RCU freeing MSI IRQ descs (Keith Busch)
Request userspace control of PCIe hotplug indicators (Keith Busch)
Move VMD driver to drivers/pci/host (Keith Busch)
Marvell Aardvark host bridge driver
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Remove redundant dev_err call in advk_pcie_probe() (Wei Yongjun)
Microsoft Hyper-V host bridge driver
Use zero-length array in struct pci_packet (Dexuan Cui)
Use pci_function_description[0] in struct definitions (Dexuan Cui)
Remove the unused 'wrk' in struct hv_pcibus_device (Dexuan Cui)
Handle vmbus_sendpacket() failure in hv_compose_msi_msg() (Dexuan Cui)
Handle hv_pci_generic_compl() error case (Dexuan Cui)
Use list_move_tail() instead of list_del() + list_add_tail() (Wei Yongjun)
NVIDIA Tegra host bridge driver
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Remove redundant _data suffix (Thierry Reding)
Use of_device_get_match_data() (Thierry Reding)
Qualcomm host bridge driver
Make explicitly non-modular (Paul Gortmaker)
Renesas R-Car host bridge driver
Consolidate register space lookup and ioremap (Bjorn Helgaas)
Don't disable/unprepare clocks on prepare/enable failure (Geert Uytterhoeven)
Add multi-MSI support (Grigory Kletsko)
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Fix some checkpatch warnings (Sergei Shtylyov)
Try increasing PCIe link speed to 5 GT/s at boot (Sergei Shtylyov)
Rockchip host bridge driver
Add DT bindings for Rockchip PCIe controller (Shawn Lin)
Add Rockchip PCIe controller support (Shawn Lin)
Improve the deassert sequence of four reset pins (Shawn Lin)
Fix wrong transmitted FTS count (Shawn Lin)
Increase the Max Credit update interval (Rajat Jain)
Samsung Exynos host bridge driver
Make explicitly non-modular (Paul Gortmaker)
ST Microelectronics SPEAr13xx host bridge driver
Make explicitly non-modular (Paul Gortmaker)
Synopsys DesignWare host bridge driver
Return data directly from dw_pcie_readl_rc() (Bjorn Helgaas)
Exchange viewport of `MEMORYs' and `CFGs/IOs' (Dong Bo)
Check LTSSM training bit before deciding link is up (Jisheng Zhang)
Move link wait definitions to .c file (Joao Pinto)
Wait for iATU enable (Joao Pinto)
Add iATU Unroll feature (Joao Pinto)
Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Make explicitly non-modular (Paul Gortmaker)
Relax device number checking to allow SR-IOV (Po Liu)
Keep viewport fixed for IO transaction if num_viewport > 2 (Pratyush Anand)
Remove redundant platform_get_resource() return value check (Wei Yongjun)
TI DRA7xx host bridge driver
Make explicitly non-modular (Paul Gortmaker)
TI Keystone host bridge driver
Propagate request_irq() failure (Wei Yongjun)
Xilinx AXI host bridge driver
Keep both legacy and MSI interrupt domain references (Bharat Kumar Gogada)
Clear interrupt register for invalid interrupt (Bharat Kumar Gogada)
Clear correct MSI set bit (Bharat Kumar Gogada)
Dispose of MSI virtual IRQ (Bharat Kumar Gogada)
Make explicitly non-modular (Paul Gortmaker)
Relax device number checking to allow SR-IOV (Po Liu)
Xilinx NWL host bridge driver
Expand error logging (Bharat Kumar Gogada)
Enable all MSI interrupts using MSI mask (Bharat Kumar Gogada)
Make explicitly non-modular (Paul Gortmaker)
Miscellaneous
Drop CONFIG_KEXEC_CORE ifdeffery (Lukas Wunner)
portdrv: Make explicitly non-modular (Paul Gortmaker)
Make DPC explicitly non-modular (Paul Gortmaker)
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Merge tag 'pci-v4.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Summary of PCI changes for the v4.9 merge window:
Enumeration:
- microblaze: Add multidomain support for procfs (Bharat Kumar Gogada)
Resource management:
- Ignore requested alignment for PROBE_ONLY and fixed resources (Yongji Xie)
- Ignore requested alignment for VF BARs (Yongji Xie)
PCI device hotplug:
- Make core explicitly non-modular (Paul Gortmaker)
PCIe native device hotplug:
- Rename pcie_isr() locals for clarity (Bjorn Helgaas)
- Return IRQ_NONE when we can't read interrupt status (Bjorn Helgaas)
- Remove unnecessary guard (Bjorn Helgaas)
- Clean up dmesg "Slot(%s)" messages (Bjorn Helgaas)
- Remove useless pciehp_get_latch_status() calls (Bjorn Helgaas)
- Clear attention LED on device add (Keith Busch)
- Allow exclusive userspace control of indicators (Keith Busch)
- Process all hotplug events before looking for new ones (Mayurkumar Patel)
- Don't re-read Slot Status when queuing hotplug event (Mayurkumar Patel)
- Don't re-read Slot Status when handling surprise event (Mayurkumar Patel)
- Make explicitly non-modular (Paul Gortmaker)
Power management:
- Afford direct-complete to devices with non-standard PM (Lukas Wunner)
- Query platform firmware for device power state (Lukas Wunner)
- Recognize D3cold in pci_update_current_state() (Lukas Wunner)
- Avoid unnecessary resume after direct-complete (Lukas Wunner)
- Make explicitly non-modular (Paul Gortmaker)
Virtualization:
- Mark Atheros AR9580 to avoid bus reset (Maik Broemme)
- Check for pci_setup_device() failure in pci_iov_add_virtfn() (Po Liu)
MSI:
- Enable PCI_MSI_IRQ_DOMAIN support for ARC (Joao Pinto)
AER:
- Remove aerdriver.nosourceid kernel parameter (Bjorn Helgaas)
- Remove aerdriver.forceload kernel parameter (Bjorn Helgaas)
- Fix aer_probe() kernel-doc comment (Cao jin)
- Add bus flag to skip source ID matching (Jon Derrick)
- Avoid memory allocation in interrupt handling path (Jon Derrick)
- Cache capability position (Keith Busch)
- Make explicitly non-modular (Paul Gortmaker)
- Remove duplicate AER severity translation (Tyler Baicar)
- Send correct severity to calculate AER severity (Tyler Baicar)
Precision Time Measurement:
- Add Precision Time Measurement (PTM) support (Jonathan Yong)
- Add PTM clock granularity information (Bjorn Helgaas)
- Add pci_enable_ptm() for drivers to enable PTM on endpoints (Bjorn Helgaas)
Generic host bridge driver:
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
- Make explicitly non-modular (Paul Gortmaker)
Altera host bridge driver:
- Remove redundant platform_get_resource() return value check (Bjorn Helgaas)
- Poll for link training status after retraining the link (Ley Foon Tan)
- Rework config accessors for use without a struct pci_bus (Ley Foon Tan)
- Move retrain from fixup to altera_pcie_host_init() (Ley Foon Tan)
- Make MSI explicitly non-modular (Paul Gortmaker)
- Make explicitly non-modular (Paul Gortmaker)
- Relax device number checking to allow SR-IOV (Po Liu)
ARM Versatile host bridge driver:
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
Axis ARTPEC-6 host bridge driver:
- Drop __init from artpec6_add_pcie_port() (Niklas Cassel)
Freescale i.MX6 host bridge driver:
- Make explicitly non-modular (Paul Gortmaker)
Intel VMD host bridge driver:
- Add quirk for AER to ignore source ID (Jon Derrick)
- Allocate IRQ lists with correct MSI-X count (Jon Derrick)
- Convert to use pci_alloc_irq_vectors() API (Jon Derrick)
- Eliminate vmd_vector member from list type (Jon Derrick)
- Eliminate index member from IRQ list (Jon Derrick)
- Synchronize with RCU freeing MSI IRQ descs (Keith Busch)
- Request userspace control of PCIe hotplug indicators (Keith Busch)
- Move VMD driver to drivers/pci/host (Keith Busch)
Marvell Aardvark host bridge driver:
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
- Remove redundant dev_err call in advk_pcie_probe() (Wei Yongjun)
Microsoft Hyper-V host bridge driver:
- Use zero-length array in struct pci_packet (Dexuan Cui)
- Use pci_function_description[0] in struct definitions (Dexuan Cui)
- Remove the unused 'wrk' in struct hv_pcibus_device (Dexuan Cui)
- Handle vmbus_sendpacket() failure in hv_compose_msi_msg() (Dexuan Cui)
- Handle hv_pci_generic_compl() error case (Dexuan Cui)
- Use list_move_tail() instead of list_del() + list_add_tail() (Wei Yongjun)
NVIDIA Tegra host bridge driver:
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
- Remove redundant _data suffix (Thierry Reding)
- Use of_device_get_match_data() (Thierry Reding)
Qualcomm host bridge driver:
- Make explicitly non-modular (Paul Gortmaker)
Renesas R-Car host bridge driver:
- Consolidate register space lookup and ioremap (Bjorn Helgaas)
- Don't disable/unprepare clocks on prepare/enable failure (Geert Uytterhoeven)
- Add multi-MSI support (Grigory Kletsko)
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
- Fix some checkpatch warnings (Sergei Shtylyov)
- Try increasing PCIe link speed to 5 GT/s at boot (Sergei Shtylyov)
Rockchip host bridge driver:
- Add DT bindings for Rockchip PCIe controller (Shawn Lin)
- Add Rockchip PCIe controller support (Shawn Lin)
- Improve the deassert sequence of four reset pins (Shawn Lin)
- Fix wrong transmitted FTS count (Shawn Lin)
- Increase the Max Credit update interval (Rajat Jain)
Samsung Exynos host bridge driver:
- Make explicitly non-modular (Paul Gortmaker)
ST Microelectronics SPEAr13xx host bridge driver:
- Make explicitly non-modular (Paul Gortmaker)
Synopsys DesignWare host bridge driver:
- Return data directly from dw_pcie_readl_rc() (Bjorn Helgaas)
- Exchange viewport of `MEMORYs' and `CFGs/IOs' (Dong Bo)
- Check LTSSM training bit before deciding link is up (Jisheng Zhang)
- Move link wait definitions to .c file (Joao Pinto)
- Wait for iATU enable (Joao Pinto)
- Add iATU Unroll feature (Joao Pinto)
- Fix pci_remap_iospace() failure path (Lorenzo Pieralisi)
- Make explicitly non-modular (Paul Gortmaker)
- Relax device number checking to allow SR-IOV (Po Liu)
- Keep viewport fixed for IO transaction if num_viewport > 2 (Pratyush Anand)
- Remove redundant platform_get_resource() return value check (Wei Yongjun)
TI DRA7xx host bridge driver:
- Make explicitly non-modular (Paul Gortmaker)
TI Keystone host bridge driver:
- Propagate request_irq() failure (Wei Yongjun)
Xilinx AXI host bridge driver:
- Keep both legacy and MSI interrupt domain references (Bharat Kumar Gogada)
- Clear interrupt register for invalid interrupt (Bharat Kumar Gogada)
- Clear correct MSI set bit (Bharat Kumar Gogada)
- Dispose of MSI virtual IRQ (Bharat Kumar Gogada)
- Make explicitly non-modular (Paul Gortmaker)
- Relax device number checking to allow SR-IOV (Po Liu)
Xilinx NWL host bridge driver:
- Expand error logging (Bharat Kumar Gogada)
- Enable all MSI interrupts using MSI mask (Bharat Kumar Gogada)
- Make explicitly non-modular (Paul Gortmaker)
Miscellaneous:
- Drop CONFIG_KEXEC_CORE ifdeffery (Lukas Wunner)
- portdrv: Make explicitly non-modular (Paul Gortmaker)
- Make DPC explicitly non-modular (Paul Gortmaker)"
* tag 'pci-v4.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (105 commits)
x86/PCI: VMD: Move VMD driver to drivers/pci/host
PCI: rockchip: Fix wrong transmitted FTS count
PCI: rockchip: Improve the deassert sequence of four reset pins
PCI: rockchip: Increase the Max Credit update interval
PCI: rcar: Try increasing PCIe link speed to 5 GT/s at boot
PCI/AER: Fix aer_probe() kernel-doc comment
PCI: Ignore requested alignment for VF BARs
PCI: Ignore requested alignment for PROBE_ONLY and fixed resources
PCI: Avoid unnecessary resume after direct-complete
PCI: Recognize D3cold in pci_update_current_state()
PCI: Query platform firmware for device power state
PCI: Afford direct-complete to devices with non-standard PM
PCI/AER: Cache capability position
PCI/AER: Avoid memory allocation in interrupt handling path
x86/PCI: VMD: Request userspace control of PCIe hotplug indicators
PCI: pciehp: Allow exclusive userspace control of indicators
ACPI / APEI: Send correct severity to calculate AER severity
PCI/AER: Remove duplicate AER severity translation
x86/PCI: VMD: Synchronize with RCU freeing MSI IRQ descs
x86/PCI: VMD: Eliminate index member from IRQ list
...
|
||
|
Linus Torvalds
|
fbbea38990 |
VFIO updates for v4.9-rc1
- comment fixes (Wei Jiangang) - static symbols (Baoyou Xie) - FLR virtualization (Alex Williamson) - catching INTx enabling after MSI/X teardown (Alex Williamson) - update to pci_alloc_irq_vectors helpers (Christoph Hellwig) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIbBAABAgAGBQJX9njGAAoJECObm247sIsiDjsP+KwRyEN8KWRR3fOhOWhCDGeW TfSXLGQyrbCDiOaiZqUe1kyVACDVOMQRmxHplLkeL/4XLTOAhzFHeL5bKhWVYBm0 HnrFI9cm8+AICyWM3Kdz9iswbWzvjvMscB1LpyFL+mkhAUee76UnsFbyKxI//azx 5a92PrNsKFvYT9/xzA607oLsi2iZQK2vSRPJVmHvrBISZ55luj7Y6j/pCg3F7NTr p/MjlCq+93r7ZxWkWean/olYsf4tMJcQzFE+/0Hlh4pXTrGSYeYfyuySlwfHl1jZ NpDiW8pZffUEJkS6j0EL/lS0IGG7dAZ3BV2M7Pmk7uMH45HJuWcy75PqP/w8tlKS Lw1aVNHX7CETW3EYsoa+ahgRK3yvHiqIsLRv+2+EAjkz+8QG9j7FAHoAbfSuL622 SZjcPAbbLfQG8kGlFl1OXf5fhc99BqBjr/1Tq/fPjck+VDWB3nSXGl1z++3b3T39 zm4OXgIFpRnVxr7H1aOkuMbnssRvLXF3N3AS8gBUMwjW40cxz4iX2xnxWWr+JOS3 k4apFxLok5Bb3eWHHGUr4mwC/R93r3vUDjqB5+3WiE60zhglHt3AcUrJ5PDI9GHn f2gJXINK6BH8ilLOC9GESd9qu6/qbee1xGZq0vIIulNFZVku8RuX/uQQxM4HPTtB MF0eLpHWgAaJZ7VRn7c= =9Mu3 -----END PGP SIGNATURE----- Merge tag 'vfio-v4.9-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - comment fixes (Wei Jiangang) - static symbols (Baoyou Xie) - FLR virtualization (Alex Williamson) - catching INTx enabling after MSI/X teardown (Alex Williamson) - update to pci_alloc_irq_vectors helpers (Christoph Hellwig) * tag 'vfio-v4.9-rc1' of git://github.com/awilliam/linux-vfio: vfio_pci: use pci_alloc_irq_vectors vfio-pci: Disable INTx after MSI/X teardown vfio-pci: Virtualize PCIe & AF FLR vfio: platform: mark symbols static where possible vfio/pci: Fix typos in comments |
||
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Linus Torvalds
|
c23112e039 |
Merge tag 'md/4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD updates from Shaohua Li:
"This update includes:
- new AVX512 instruction based raid6 gen/recovery algorithm
- a couple of md-cluster related bug fixes
- fix a potential deadlock
- set nonrotational bit for raid array with SSD
- set correct max_hw_sectors for raid5/6, which hopefuly can improve
performance a little bit
- other minor fixes"
* tag 'md/4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: set rotational bit
raid6/test/test.c: bug fix: Specify aligned(alignment) attributes to the char arrays
raid5: handle register_shrinker failure
raid5: fix to detect failure of register_shrinker
md: fix a potential deadlock
md/bitmap: fix wrong cleanup
raid5: allow arbitrary max_hw_sectors
lib/raid6: Add AVX512 optimized xor_syndrome functions
lib/raid6/test/Makefile: Add avx512 gen_syndrome and recovery functions
lib/raid6: Add AVX512 optimized recovery functions
lib/raid6: Add AVX512 optimized gen_syndrome functions
md-cluster: make resync lock also could be interruptted
md-cluster: introduce dlm_lock_sync_interruptible to fix tasks hang
md-cluster: convert the completion to wait queue
md-cluster: protect md_find_rdev_nr_rcu with rcu lock
md-cluster: clean related infos of cluster
md: changes for MD_STILL_CLOSED flag
md-cluster: remove some unnecessary dlm_unlock_sync
md-cluster: use FORCEUNLOCK in lockres_free
md-cluster: call md_kick_rdev_from_array once ack failed
|
||
|
Linus Torvalds
|
4dfddf5036 |
SCSI misc on 20161006
This update includes the usual round of major driver updates (hpsa, be2iscsi, hisi_sas, zfcp, cxlflash). There's a new incarnation of hpsa called smartpqi for which a driver is added, there's some cleanup work of the ibm vscsi target and updates to libfc, plus a whole host of minor fixes and updates and finally the removal of several ISA drivers which seem not to have been used for years. Signed-off-by: James Bottomley <jejb@linux.vnet.ibm.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJX9fZGAAoJEAVr7HOZEZN4TfkP/2bOHBGqyQ16P9jRjWXtC6pJ Fp/ZfU6ZrSpcGN49Wr9vyPbpvYKdtIZg3oUs6XhKmnfP+lbeIIJ5jxlEnwBVwWya JOOD91o8lLN7zRMuyfYIfgnm4dIU3GSLpnWIyfAhoMH1utiLLcq7s2XEM5girDft dVUL20XprtJkVsg2C+hhRAI8PMjWFInadj2eRIHdxJIDC8fXR+w8ojBShou+lf6Q /zYPgckTCBlZWIc/ohI3j52r4qmkChgX+3/jR+v9i5bGXjFfpmh0GzxM7tscESSa 4Y/ZLTg72j/colYkA1jt04YLxA2dQCa6b8DmJIcUTL0WStsJUQH5hFFFHt3mSafI HirqRfHpmadHbfi5Kiyx688S5b0oVN4bMxvMoEOAUy7WVaLEr84GJ5VYhoAwkPhL USaDx6Hsa1OT0lGYAtyRKOUT/d55grztEOnSxBFiQgRoB8wrGX616Xg8VONy7JZS wEZtf1v5K0+ZXJiu4NtY+/RzQdOwu7OQHKfN5mLri8tJ+eo8d88ZwSARJxEZetSM P4EVR2ZjhL+Ct78v3i4Yj8FVMXHSzzulj530KQ/U7z/l4c2S54mtEKijDmXmto8k baiIah/wgaS/fznoOsJw+Iy/2HqsAtNZsReNcgNPLzfabTBXKSBXJDLmO4d3g/3s zwj1m3JtzAx2j3kQrkSv =cyTO -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This update includes the usual round of major driver updates (hpsa, be2iscsi, hisi_sas, zfcp, cxlflash). There's a new incarnation of hpsa called smartpqi for which a driver is added, there's some cleanup work of the ibm vscsi target and updates to libfc, plus a whole host of minor fixes and updates and finally the removal of several ISA drivers which seem not to have been used for years" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (173 commits) scsi: mvsas: Mark symbols static where possible scsi: pm8001: Mark symbols static where possible scsi: arcmsr: Simplify user_len checking scsi: fcoe: fix off by one in eth2fc_speed() scsi: dtc: remove from tree scsi: t128: remove from tree scsi: pas16: remove from tree scsi: u14-34f: remove from tree scsi: ultrastor: remove from tree scsi: in2000: remove from tree scsi: wd7000: remove from tree scsi: scsi_dh_alua: Fix memory leak in alua_rtpg() scsi: lpfc: Mark symbols static where possible scsi: hpsa: correct call to hpsa_do_reset scsi: ufs: Get a TM service response from the correct offset scsi: ibmvfc: Fix I/O hang when port is not mapped scsi: megaraid_sas: clean function declarations in megaraid_sas_base.c up scsi: ipr: Remove redundant messages at adapter init time scsi: ipr: Don't log unnecessary 9084 error details scsi: smartpqi: raid bypass lba calculation fix ... |
||
|
Linus Torvalds
|
d4e65476bc |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"You will get
- a new driver for Elan eKTF2127 touchscreen controllers
- a new "gpio-decoder" driver to read and report state of several
GPIO lines
- an ADC resistor ladder driver
- the ft6326 driver is removed because edt-ft5x06 handles the same
devices just fine.
.. plus the regular slew of driver fixes/enhancements"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (26 commits)
Input: elan_i2c - fix return tests of i2c_smbus_read_block_data()
Input: ektf2127 - mark PM functions as __maybe_unused
Input: snvs_pwrkey - drop input_free_device call if input_register_device fails
Input: add support for Elan eKTF2127 touchscreen controller
Input: serio - add hangup support
Input: tps65218-pwrbutton - add support for tps65217 variant
Input: jornada720_ts - get rid of mach/irqs.h and mach/hardware.h includes
Input: jornada720_kbd - remove unneeded mach/hardware.h include
Input: focaltech - mark focaltech_set_resolution() static
Input: wdt87xx_i2c - fix the flash erase issue
Input: gpio-keys-polled - don't use unit-address with button nodes
Input: add generic input driver to read encoded GPIO lines
Input: add ADC resistor ladder driver
Input: pegasus_notetaker - directly include workqueue header
Input: elants_i2c - get product id on recovery mode for FW update
Input: wm97xx - remove deprecated create_singletheread_workqueue
Input: mc13783_ts - remove deprecated create_singletheread_workqueue
Input: psmouse - remove deprecated create_singletheread_workqueue
Input: jornada720_kbd - switch to using dev_dbg
Input: jornada720_kbd - get rid of mach/irqs.h include
...
|
||
|
Linus Torvalds
|
d042380886 |
- Core Frameworks
- Add the MFD bindings doc to MAINTAINERS
- New Drivers
- X-Powers AC100 Audio CODEC and RTC
- TI LP873x PMIC
- Rockchip RK808 PMIC
- Samsung Exynos Low Power Audio
- New Device Support
- Add support for STMPE1600 variant to stmpe
- Add support for PM8018 PMIC to pm8921-core
- Add support for AXP806 PMIC in axp20x
- Add support for AXP209 GPIO in axp20x
- New Functionality
- Add support for Reset to all STMPE variants
- Add support for MKBP event support to cros_ec
- Add support for USB to intel_soc_pmic_bxtwc
- Add support for IRQs and Power Button to tps65217
- Fix-ups
- Clean-up defunct author emails; da9063, max14577
- Kconfig fixups; wm8350-i2c, as3722
- Constify; altera-a10sr, sm501
- Supply PCI IDs; intel-lpss-pci
- Improve clocking; qcom_rpm
- Fix IRQ probing; ucb1x00-core
- Ensure fault log is cleared; da9052
- Remove NO_IRQ check; ucb1x00-core
- Supply I2C properties; intel-lpss-acpi, intel-lpss-pci
- Non standard declaration; tps65217, max8997-irq
- Remove unused code; lp873x, db8500-prcmu, ab8500-debugfs,
cros_ec_spi
- Make non-modular; altera-a10sr, intel_msic, smsc-ece1099,
sun6i-prcm, twl-core,
- OF bindings; ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808,
axp20x, lp873x, exynos5433-lpass, act8945a,
aspeed-scu, twl6040, arizona
- Bug Fixes
- Release OF pointer; qcom_rpm
- Avoid double shifting in suspend/resume; 88pm80x
- Fix 'defined but not used' error; exynos-lpass
- Fix 'sleeping whilst attomic'; atmel-hlcdc
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Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core framework:
- Add the MFD bindings doc to MAINTAINERS
New drivers:
- X-Powers AC100 Audio CODEC and RTC
- TI LP873x PMIC
- Rockchip RK808 PMIC
- Samsung Exynos Low Power Audio
New device support:
- Add support for STMPE1600 variant to stmpe
- Add support for PM8018 PMIC to pm8921-core
- Add support for AXP806 PMIC in axp20x
- Add support for AXP209 GPIO in axp20x
New functionality:
- Add support for Reset to all STMPE variants
- Add support for MKBP event support to cros_ec
- Add support for USB to intel_soc_pmic_bxtwc
- Add support for IRQs and Power Button to tps65217
Fix-ups:
- Clean-up defunct author emails (da9063, max14577)
- Kconfig fixups (wm8350-i2c, as37220
- Constify (altera-a10sr, sm501)
- Supply PCI IDs (intel-lpss-pci)
- Improve clocking (qcom_rpm)
- Fix IRQ probing (ucb1x00-core)
- Ensure fault log is cleared (da9052)
- Remove NO_IRQ check (ucb1x00-core)
- Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
- Non standard declaration (tps65217, max8997-irq)
- Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
cros_ec_spi)
- Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
sun6i-prcm, twl-core)
- OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)
Bugfixes:
- Release OF pointer (qcom_rpm)
- Avoid double shifting in suspend/resume (88pm80x)
- Fix 'defined but not used' error (exynos-lpass)
- Fix 'sleeping whilst attomic' (atmel-hlcdc)"
* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
mfd: arizona: Handle probe deferral for reset GPIO
mfd: arizona: Remove arizona_of_get_named_gpio helper function
mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
mfd: twl6040: Register child device for twl6040-pdmclk
mfd: cros_ec_spi: Remove unused variable 'request'
mfd: omap-usb-host: Return value is not 'const int'
mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
mfd: ab8500-debugfs: Prevent initialised field from being over-written
mfd: max8997-irq: 'inline' should be at the beginning of the declaration
mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
mfd: tps65217: Fix nonstandard declaration
mfd: lp873x: Remove unused mutex lock from struct lp873x
mfd: atmel-hlcdc: Do not sleep in atomic context
mfd: exynos-lpass: Mark PM functions as __maybe_unused
mfd: intel-lpss: Add default I2C device properties for Apollo Lake
mfd: twl-core: Make it explicitly non-modular
mfd: sun6i-prcm: Make it explicitly non-modular
mfd: smsc-ece1099: Make it explicitly non-modular
...
|
||
|
Jiri Kosina
|
179023e6af | Merge branches 'for-4.8/upstream-fixes', 'for-4.9/alps', 'for-4.9/hid-input', 'for-4.9/intel-ish', 'for-4.9/kye-uclogic-waltop-fixes', 'for-4.9/logitech', 'for-4.9/sony', 'for-4.9/upstream' and 'for-4.9/wacom' into for-linus | ||
|
Linus Torvalds
|
3477d168ba |
- Fix-ups
- Remove unused .owner assignment; tosa_bl
- Enable GPIO sleeping; pwm_bl
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Merge tag 'backlight-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- Remove unused .owner assignment; tosa_bl
- Enable GPIO sleeping; pwm_bl"
* tag 'backlight-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: pwm_bl: Handle gpio that can sleep
backlight-tosa: Delete unnecessary assignment for the field "owner"
|
||
|
Linus Torvalds
|
9a687aea2f |
HSI changes for the v4.9 series
* fix hsi userspace header -----BEGIN PGP SIGNATURE----- iQIcBAABCgAGBQJX8j7OAAoJENju1/PIO/qa9hEP/24C8IzU1rbAI1TjRPWF2hLl 5be7jt+/bOheTO2rB9X6lN9h101SUCySdq2WRZVbMLVc3ZsHDlwNyFgFd9u0dTZA NSz2IfJewdWS8hUAq/eI9oe6oBgE5cAAstwMc0D/rAXCynpapkpmpG9YJQm1kuGf SQEQiD/BMraA/twU0tbYoltNOWyGTmfUBE6GZsLnQZv4y0wUpDsU4s+3tDtM3hkL VnEJrE00RcrJVbv13aXnqZknJ2FiUyrG6CAn516Inxh3inxCZhpwYE1/DigBpcwl JCocGUyksU+mY75MSIjTrMzuTMcin4dpA9pdXKdLcfk6aV2O3lRXhJ3Dc0YazLts 9FEhF8L2MMAuic+wj4y0ru0PYdKk3q7CGwgyyEomHRVlOQkqQO5SG4SEqqNFeJvV RDh7QmWmLYfnxUvo95/Q8PYEFo6ejvf+vamH2p/mofpZop8q4ysCmUop39DrNd45 OyEO7THzQ8l7KsUd1oSMoKsYxorrgkPNWf1LUzgfSCEpqoLuv+ikWiffAcuXUhRA 5q1MKda///f9uA4p//75UsPIh9wD9YdLaTz8de4/CR9Jqs+qb0Yc99yxSATM7Jvc Z2yqQkPdhNXEWPB18efzCZaC01iNQdthPvmPOOnzAesuO/VDw1t0Y82qhGd+FI7S B+TT7Fac7pQiu4Nt/EYr =x/fs -----END PGP SIGNATURE----- Merge tag 'hsi-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi Pull HSI fix from Sebastian Reichel: "Fix hsi userspace header" * tag 'hsi-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi: HSI: hsi_char.h: use __u32 from linux/types.h |
||
|
Linus Torvalds
|
021723e6c5 |
power supply and reset changes for the v4.9 series
* move power supply drivers to drivers/power/supply * unify location of power supply DT documentation * tps65217-charger: IRQ support * act8945a-charger: misc. cleanups & improvements * sbs-battery cleanup * fix users of deprecated create_singlethread_workqueue() * misc fixes. -----BEGIN PGP SIGNATURE----- iQIcBAABCgAGBQJX8j3bAAoJENju1/PIO/qavlcP/Rq5LeMol2KYQfYOLrVKmS9N sqJpOM1wnQS25Dw+KQf+bNOLuBY/w44SnINFYswV2Vw5DQ2ODt1IzvqoaPBwznpq BeLN/NLvYY2vIAPxmHxvdB0mnPEhRJOgZkHXUkonIqX98qnzbIorQtHBhAZ3h2v6 nz5ltO3GXiAyzPE6Zhx9OWWTZRLi1YKCuPZstRU6SY6uGwEMyEVMcu6Rv3XFizBj kng9nOCWRE3723UaGQx3LumI2EIsJ1m7RDHIx0ZPOIRlUEd5bawhxdhfT1pQAEZS y7GSs4FE86QuGN4M+zcxr4u1vSmYsK2c7FGFRnBcwG4Hkmy4O4h1yBjmrMby8eWo V0JxsGkkN+R/6/cAKqXRL0T5gU4rKf4LAj84kSOHGZDiQk0D29wGNZuBtlQw/2sB CLABJvpn11aQ3NIkNttr1ur8S15C9tAEMKmjrK7bbvtzBUp2BoVguYQtkP909s0U 19exP0yslM95t0cRT6lCpZUPFUvoEDs7iIDwv7QBFJSB2ZDMUFfGy6ouM6gHnfKL ZkiCi2gmhTqHCpGvD/yi8FhuDFBZ7Ujcotzn3bE07GSTeG7FmzhR+6khedq9DIYQ xJbDdPwmwhbrOe99O0wk/qFCBcvgmkXaE4O23fBPS10oCs70FFseYFfb15qAljsE 4ydoaCMwFUgH49SpDQC6 =HpLI -----END PGP SIGNATURE----- Merge tag 'for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: - move power supply drivers to drivers/power/supply - unify location of power supply DT documentation - tps65217-charger: IRQ support - act8945a-charger: misc. cleanups & improvements - sbs-battery cleanup - fix users of deprecated create_singlethread_workqueue() - misc fixes. * tag 'for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (46 commits) power: supply: bq27xxx_battery: allow kernel poll_interval parameter runtime update power: supply: sbs-battery: Cleanup removal of chip->pdata power: reset: st: Remove obsolete platforms from dt doc power: reset: st-poweroff: Remove obsolete platforms. power: reset: zx-reboot: Unmap region obtained by of_iomap power: reset: xgene-reboot: Unmap region obtained by of_iomap power: supply: ab8500: cleanup with list_first_entry_or_null() power: reset: add in missing white space in error message text sbs-battery: make writes to ManufacturerAccess optional power: bq24257: Fix use of uninitialized pointer bq->charger power: supply: sbs-battery: simplify DT parsing power: supply: bq24735-charger: Request status GPIO with initial input setup power: supply: sbs-battery: Use gpio_desc and sleeping calls for battery detect power: supply: act8945a_charger: Add max current property power: supply: act8945a_charger: Add capacity level property doc: bindings: power: act8945a-charger: Update properties. power: supply: act8945a_charger: Fix the power supply type power: supply: act8945a_charger: Add status change update support power: supply: act8945a_charger: Improve state handling power: supply: act8945a_charger: Remove "battery_temperature" ... |
||
|
Linus Torvalds
|
c6594fc6af |
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jussi Brar: "New driver and DT bindings for MHU controller integrated on Amlogic Meson platform" * 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration: dt-bindings: mailbox: Add Amlogic Meson MHU Bindings mailbox: Add Platform Message-Handling-Unit variant driver |
||
|
Linus Torvalds
|
553911c67e |
dmaengine updates for 4.8-rc1
This is bit large pile of code which bring in some nice additions:
- Error reporting: we have added a new mechanism for users of dmaenegine to
register a callback_result which tells them the result of the dma
transaction. Right now only one user ntb is using it.
- As we discussed on KS mailing list and pointed out NO_IRQ has no place in
kernel, this also remove NO_IRQ from dmaengine subsystem (both arm and
ppc users)
- Support for IOMMU slave transfers and it implementation for arm.
- To get better build coverage, enable COMPILE_TEST for bunch of driver,
and fix the warning and sparse complaints on these.
- Apart from above, usual updates spread across drivers.
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Merge tag 'dmaengine-4.9-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This is bit large pile of code which bring in some nice additions:
- Error reporting: we have added a new mechanism for users of
dmaenegine to register a callback_result which tells them the
result of the dma transaction. Right now only one user (ntb) is
using it.
- As we discussed on KS mailing list and pointed out NO_IRQ has no
place in kernel, this also remove NO_IRQ from dmaengine subsystem
(both arm and ppc users)
- Support for IOMMU slave transfers and its implementation for arm.
- To get better build coverage, enable COMPILE_TEST for bunch of
driver, and fix the warning and sparse complaints on these.
- Apart from above, usual updates spread across drivers"
* tag 'dmaengine-4.9-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (169 commits)
async_pq_val: fix DMA memory leak
dmaengine: virt-dma: move function declarations
dmaengine: omap-dma: Enable burst and data pack for SG
DT: dmaengine: rcar-dmac: document R8A7743/5 support
dmaengine: fsldma: Unmap region obtained by of_iomap
dmaengine: jz4780: fix resource leaks on error exit return
dma-debug: fix ia64 build, use PHYS_PFN
dmaengine: coh901318: fix integer overflow when shifting more than 32 places
dmaengine: edma: avoid uninitialized variable use
dma-mapping: fix m32r build warning
dma-mapping: fix ia64 build, use PHYS_PFN
dmaengine: ti-dma-crossbar: enable COMPILE_TEST
dmaengine: omap-dma: enable COMPILE_TEST
dmaengine: edma: enable COMPILE_TEST
dmaengine: ti-dma-crossbar: Fix of_device_id data parameter usage
dmaengine: ti-dma-crossbar: Correct type for of_find_property() third parameter
dmaengine/ARM: omap-dma: Fix the DMAengine compile test on non OMAP configs
dmaengine: edma: Rename set_bits and remove unused clear_bits helper
dmaengine: edma: Use correct type for of_find_property() third parameter
dmaengine: edma: Fix of_device_id data parameter usage (legacy vs TPCC)
...
|
||
|
Linus Torvalds
|
521f397085 |
rpmsg updates for v4.9
The bulk of these patches involve splitting the rpmsg implementation into a framework/API part and a virtio specific backend part. It then adds the Qualcomm Shared Memory Device (SMD) as an additional supported wire format. Also included is a set of code style cleanups that have been lingering for a while. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJX9XANAAoJEAsfOT8Nma3FwocP/1EMKjeyMOiyS/giPNye7EjQ 3EIms4Or6F4ULo+/mZTgyF69RGBirFgYm2GKs2GgFcAnf4bZRmXpPNYiuJZ8LGQe 9gep35eZ+vE+KArba26Sau1bjpPiWsokeJg7JPBj8KE3uR1lH3QTVjoHa3dPXRwa NrImfZw3P2/RTgtIoDJA6CoCT8cBIiitcA++1bNGhHTu7R5hkw25mse1OFJ8sb1l D3rsnmoTcXZqY2dDA9GYqy9/krBU69Xe7QJYCyjuNI0FHIqS60M/gTJS+v4fxJbX ueM7Qsimdbmcm/tINeT3RcyM0gUrGukDgrEhwg+Ipohhji9tf7AYx0hIJ11Ylzq+ m2orJ5xDRg3/mxFMFg4bqWXKt0uYUSBMiztAneCdOdTPR5DBpVB47/i+Nqq0t5fm Ql7Ev4G877A2cZp3O/xHahGCzk9xeAWnRonGeWGqIS0V2tCXWMuVtzwBB5oa0Pd0 nlb9JFnmb2lzU5ud/y681B7LdwDEjlW8o8u7JPOqEbXTVEjOebdy/nXpBCg7I9Ik NwQLOQ8B5eOGcrki7W7qodx8BCMyEFsHrRoozdvloXePCgwOuhA5s+Ai8VqJi9Yr 9xpQpd4QHtbYHXbyM4/Pn/93MTIclcHNdE8D2qJ4/nlVtbbjwQe8p2cT7THfXTK+ GVqj+PrmRoiVS9MQ0C+1 =3bKf -----END PGP SIGNATURE----- Merge tag 'rpmsg-v4.9' of git://github.com/andersson/remoteproc Pull rpmsg updates from Bjorn Andersson: "The bulk of these patches involve splitting the rpmsg implementation into a framework/API part and a virtio specific backend part. It then adds the Qualcomm Shared Memory Device (SMD) as an additional supported wire format. Also included is a set of code style cleanups that have been lingering for a while" * tag 'rpmsg-v4.9' of git://github.com/andersson/remoteproc: (26 commits) rpmsg: smd: fix dependency on QCOM_SMD=n rpmsg: Introduce Qualcomm SMD backend rpmsg: Allow callback to return errors rpmsg: Move virtio specifics from public header rpmsg: virtio: Hide vrp pointer from the public API rpmsg: Hide rpmsg indirection tables rpmsg: Split rpmsg core and virtio backend rpmsg: Split off generic tail of create_channel() rpmsg: Move helper for finding rpmsg devices to core rpmsg: Move endpoint related interface to rpmsg core rpmsg: Indirection table for rpmsg_endpoint operations rpmsg: Move rpmsg_device API to new file rpmsg: Introduce indirection table for rpmsg_device operations rpmsg: Clean up rpmsg device vs channel naming rpmsg: Make rpmsg_create_ept() take channel_info struct rpmsg: rpmsg_send() operations takes rpmsg_endpoint rpmsg: Name rpmsg devices based on channel id rpmsg: Enable matching devices with drivers based on DT rpmsg: Drop prototypes for non-existing functions samples/rpmsg: add support for multiple instances ... |
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|
Linus Torvalds
|
d880e5ad0d |
remoteproc updates for v4.9
In addition to a slew of minor fixes and cleanups these patches refactors how we deal with remoteprocs that will be auto-booting themselves, this in itself do clean up the remote resource handling but opens for additional work to clarify responsibilities and life cycles of resources. We also revise how module locking of remoteproc drivers work, so that they are locked as we hand out references to them to third parties, rather than only when booted by anyone. In addition to this we also introduce the Qualcomm Wireless Subsystem remoteproc driver. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJX9Xl0AAoJEAsfOT8Nma3FwsMP/R44bOoIgKPF1ph9FfGn5gHC 1mgdSDBkWQgFeWE/hiDvL9YjPUwBZz9yhxzKw9aOuG21a6/53Hx164glC7Jumwgj 39dDtge4SRqJn83PbbRxMJdjFqrtjV1E2MWQXWYG76IS5CSH6xh884cInaoQZMk/ kL8eFOCzWIrE+PcntZh1LJ4+sOrDLAxeVEDT0V6KgefRs8/Ecn0BpUQChNS2hxpf cBduZBFYhaSLcsJsu75IQRJmSG1dcVDSfdheV+CylXd0ETcuQaYgEglx9S739dvS J0sr/4LZf9vUkM8gDRZoF9ZFkR8gj2lm6d7rLFijSdK65cvjiEF4I/0FCUyadjxU SQYa+7Q9sFAXbBaDrUdI1KTjaEgudlpl+AMb220Ulko6r2NRrfmyQNGmk9htbo1A DrWqMG176pcWus/GSBPVNvuBdUvS6qsCtTZCg87W6mZvdTxaoFPYppjfpuhm6D3v 3k6m5usFh7N9gF3QVoaA775qEbOsFGp8GX+/BvxFKgThQs4OQ6DXzi9qDTOs6W2Q iW8yMtv7PEncX/u4UvF8bFRD/Gy/1vTfm8DLuT4MBWkhu7q615m50bqX0godI0s6 5pqV0TPn9M93cOrWAqpdoLouypRHsEfh8ZE+Yuji6A1I2wAqM1HeLP4gvjau99nS Mqzqw/IE4jD4/EkELEli =nREP -----END PGP SIGNATURE----- Merge tag 'rproc-v4.9' of git://github.com/andersson/remoteproc Pull remoteproc updates from Bjorn Andersson: "In addition to a slew of minor fixes and cleanups these patches refactor how we deal with remoteprocs that will be auto-booting themselves. That does clean up the remote resource handling but makes for additional work to clarify responsibilities and life cycles of resources. We also revise how module locking of remoteproc drivers work, so that they are locked as we hand out references to them to third parties, rather than only when booted by anyone. In addition to that we also introduce the Qualcomm Wireless Subsystem remoteproc driver" * tag 'rproc-v4.9' of git://github.com/andersson/remoteproc: (26 commits) remoteproc: Refactor rproc module locking remoteproc: Split driver and consumer dereferencing remoteproc: Correct resource handling upon boot failure remoteproc: Drop unnecessary NULL check remoteproc: core: transform struct fw_rsc_vdev_vring reserved field in pa remoteproc: Modify FW_RSC_ADDR_ANY definition remoteproc: qcom: wcnss: Fix return value check in wcnss_probe() remoteproc: qcom: Introduce WCNSS peripheral image loader dt-binding: remoteproc: Introduce Qualcomm WCNSS loader binding remoteproc: Only update table_ptr if we have a loaded table remoteproc: Move handling of cached table to boot/shutdown remoteproc: Move vdev handling to boot/shutdown remoteproc: Calculate max_notifyid during load remoteproc: Introduce auto-boot flag remoteproc/omap: revise a minor error trace message remoteproc/omap: fix various code formatting issues remoteproc: print hex numbers with a leading 0x format remoteproc: align code with open parenthesis remoteproc: fix bare unsigned type usage remoteproc: use variable names for sizeof() operator ... |
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|
Linus Torvalds
|
4c1fad64ef |
In this round, we've investigated how f2fs deals with errors given by our fault
injection facility. With this, we could fix several corner cases. And, in order to improve the performance, we set inline_dentry by default and enhance the exisiting discard issue flow. In addition, we added f2fs_migrate_page for better memory management. = Enhancement = - set inline_dentry by default - improve discard issue flow - add more fault injection cases in f2fs - allow block preallocation for encrypted files - introduce migrate_page callback function - avoid truncating the next direct node block at every checkpoint = Bug fixes = - set page flag correctly between write_begin and write_end - missing error handling cases detected by fault injection - preallocate blocks regarding to 4KB alignement correctly - dentry and filename handling of encryption - lost xattrs of directories -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJX9sMhAAoJEEAUqH6CSFDSFhQQAIQ99GkcaPmSACHg7JNa9zG1 wb6eeKIDee+Jr4vu7yQ++T3Ih4lesl2ZLABVaP+IcXlsYWI2VUvlChczuwVSDQMg ZiBIR2IwXVVY6Zpb0xuw8C/vmQAJjLZTBV33s+wgsYHaTDobYexVUjkCM+pekrzj HBXrk7zx8NHUh41yr/kVQl6FY8KPC6bTtBH23UUp6Vuy1zMZDR/VjL440IyT5Ded JRSBX0XSAC9He6n+kZ4S2kMc11kmqZYW7mE4SmiPDzAhGwUv4SmQ1871lK00EOUp 5EN1Lcy8M7kkl8en2zpZ002R/LDbzRTYjb1fjGJVR+s5Q3piGokxtwAMd0/a7k9v wwZm64Bm4NMHBEK6uc/DPWFUmnUySrboTvOCDRunNogPGTjMJwnzAQmTcB/Hdpr5 oAJQwyAq7ZzkMk3xt0ifeNqy+78uiwfpPEnZDoWqU6zxa+vIyqpFDD+8wEPBO9qo JLRocH0Yl7+ExJvi+2W9wMQq9DsxZWR+CwUc8pg68E+1oOEycJ3weAwg5XSVHoNr 59I2blZQU6P922sH2HVhp0n58xZfYrR7Z3NSsiSfKXeL4gN222dHHT1UfRUmY+A3 7EeuYm8EUecKV0fZimMcqCCrUXQpubT+qGZfI6NZhu3Qhno1Y8ApxqH8Ieypx7ol YD5prZs2qqVKO5LjLV5o =crpN -----END PGP SIGNATURE----- Merge tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, we've investigated how f2fs deals with errors given by our fault injection facility. With this, we could fix several corner cases. And, in order to improve the performance, we set inline_dentry by default and enhance the exisiting discard issue flow. In addition, we added f2fs_migrate_page for better memory management. Enhancements: - set inline_dentry by default - improve discard issue flow - add more fault injection cases in f2fs - allow block preallocation for encrypted files - introduce migrate_page callback function - avoid truncating the next direct node block at every checkpoint Bug fixes: - set page flag correctly between write_begin and write_end - missing error handling cases detected by fault injection - preallocate blocks regarding to 4KB alignement correctly - dentry and filename handling of encryption - lost xattrs of directories" * tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (69 commits) f2fs: introduce update_ckpt_flags to clean up f2fs: don't submit irrelevant page f2fs: fix to commit bio cache after flushing node pages f2fs: introduce get_checkpoint_version for cleanup f2fs: remove dead variable f2fs: remove redundant io plug f2fs: support checkpoint error injection f2fs: fix to recover old fault injection config in ->remount_fs f2fs: do fault injection initialization in default_options f2fs: remove redundant value definition f2fs: support configuring fault injection per superblock f2fs: adjust display format of segment bit f2fs: remove dirty inode pages in error path f2fs: do not unnecessarily null-terminate encrypted symlink data f2fs: handle errors during recover_orphan_inodes f2fs: avoid gc in cp_error case f2fs: should put_page for summary page f2fs: assign return value in f2fs_gc f2fs: add customized migrate_page callback f2fs: introduce cp_lock to protect updating of ckpt_flags ... |
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|
Linus Torvalds
|
0fb3ca447d |
Fix bug in module unloading.
Switch to always using spinlock over cmpxchg. Explicitly define pstore backend's supported modes. Remove bounce buffer from pmsg. Switch to using memcpy_to/fromio(). Error checking improvements. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Kees Cook <kees@outflux.net> iQIcBAABCgAGBQJX9XPtAAoJEIly9N/cbcAmRr8P/0NoEX3bzEYgQWVMmsvzlk4U /mJ7LUk1+TDL0DOdQ84O1Tr3k6MQ2wRyiGXHjxhQ+aC2ompvmuT+SHEARWlqUZZx bEKr3u6nJ5qz1KZ5KwaPOH2EPs2MDq2jh6VvYDFzDGpBYsueDTzRqWJo7VhO/kmq MyVCePtEY3m1q4dZtaVLfDMGUEAU8s8j+D5HM9lmoijmzQuKAz3BFRuakasBIYSf 4ILY0W1E57HAUWsi19jhnYMHOvJt2Gcog0wRUYo4CYmPTyNqud6I5WU6HXeY2F7v LtWbhaS2QcpJRAxDEzzKBBSZ4IS6TINYDBBOf/0NEVo2qj4PHyy3f14MCtSo2LDg 4hoeI0DUgnAmp+NFgp1mQQ25DhR8TZlunBuntGXdeugb5qgT65NYXGtQxnMp5QJd s3DsfGW/diKbKfLWQN7GVcHHM/GNe+XM1yl1Q3TyDgSLJVjgAB21r/kPE7AIQzTO vDTLcv1w+KLdhDIrHlZqz1IAPATidTA21A7h8JeUWrOSetOhpZ0uXUwBR5+IZhyN tG1Wt0ohZAqlhv9ERXYN1g3iRHCCJ26V0LYOKsf80wAAutT8iRO4iH0PKdEYKX+a U0TqeX4TIh+4Q3FgnR7efFACzPXrM1RG9qnc1o5OR/BiyXIzLPdrpYYCVpejzj9K x6AoYCxRl6qYLJgYUR/H =FRpQ -----END PGP SIGNATURE----- Merge tag 'pstore-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore updates from Kees Cook: - Fix bug in module unloading - Switch to always using spinlock over cmpxchg - Explicitly define pstore backend's supported modes - Remove bounce buffer from pmsg - Switch to using memcpy_to/fromio() - Error checking improvements * tag 'pstore-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: ramoops: move spin_lock_init after kmalloc error checking pstore/ram: Use memcpy_fromio() to save old buffer pstore/ram: Use memcpy_toio instead of memcpy pstore/pmsg: drop bounce buffer pstore/ram: Set pstore flags dynamically pstore: Split pstore fragile flags pstore/core: drop cmpxchg based updates pstore/ramoops: fixup driver removal |
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|
Linus Torvalds
|
3940ee36a0 |
orangefs: miscellaneous improvements and feature negotiation
miscellaneous improvements
- clean up debugfs globals
- remove dead code in sysfs
- reorganize duplicated sysfs attribute structs
- consolidate sysfs show and store functions
- remove duplicated sysfs_ops structures
- describe organization of sysfs
- make devreq_mutex static
- g_orangefs_stats -> orangefs_stats for consistency
- rename most remaining global variables
feature negotiation
enable Orangefs userspace and kernel module to negotiate mutually
supported features.
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Merge tag 'for-linus-4.9-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"Miscellaneous improvements:
- clean up debugfs globals
- remove dead code in sysfs
- reorganize duplicated sysfs attribute structs
- consolidate sysfs show and store functions
- remove duplicated sysfs_ops structures
- describe organization of sysfs
- make devreq_mutex static
- g_orangefs_stats -> orangefs_stats for consistency
- rename most remaining global variables
Feature negotiation:
- enable Orangefs userspace and kernel module to negotiate mutually
supported features"
* tag 'for-linus-4.9-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
Revert "orangefs: bump minimum userspace version"
orangefs: bump minimum userspace version
orangefs: rename most remaining global variables
orangefs: g_orangefs_stats -> orangefs_stats for consistency
orangefs: make devreq_mutex static
orangefs: describe organization of sysfs
orangefs: remove duplicated sysfs_ops structures
orangefs: consolidate sysfs show and store functions
orangefs: reorganize duplicated sysfs attribute structs
orangefs: remove dead code in sysfs
orangefs: clean up debugfs globals
orangefs: do not allow client readahead cache without feature bit
orangefs: add features op
orangefs: record userspace version for feature compatbility
orangefs: add readahead count and size to sysfs
orangefs: re-add flush_racache from out-of-tree
orangefs: turn param response value into union
orangefs: add missing param request ops
orangefs: rename remaining bits of mmap readahead cache
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Linus Torvalds
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95107b30be |
This release cycle is rather small. Just a few fixes to tracing.
The big change is the addition of the hwlat tracer. It not only detects SMIs, but also other latency that's caused by the hardware. I have detected some latency from large boxes having bus contention. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJX9a77AAoJEKKk/i67LK/8UPEH/jcqMmOMhQYVQsNaJViA5uJM SV96gaLCc9cxXY04Hf7vx8RkVIyIqTCCQZ+RVZt4RSeqpsB2IzZ1u0CNKs2Z0MTv MdvQJoazRoDgVuPzKAsdAlDd0ykqHEFA5ayF3XDK4P2J97La+B4rQIqEiJX/aDrz i0NQQFg2ZF46mXJXn4oXe6nmr6WnbiEduawVjd7JvgILJO2hojDicOTQlNG41Nys 68fOV8mLk0OL7sFRjySLGcbdbKhP2YbNhxILXl8geLgS9+CFZXkE8oTRjjy9IMNA XrqbFLMWaRVv+Nig7bHIWKE8ZErC5WCYUw4LD2GTLMDx5AkAVLGFFp6TOiO4SG8= =ke23 -----END PGP SIGNATURE----- Merge tag 'trace-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing updates from Steven Rostedt: "This release cycle is rather small. Just a few fixes to tracing. The big change is the addition of the hwlat tracer. It not only detects SMIs, but also other latency that's caused by the hardware. I have detected some latency from large boxes having bus contention" * tag 'trace-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Call traceoff trigger after event is recorded ftrace/scripts: Add helper script to bisect function tracing problem functions tracing: Have max_latency be defined for HWLAT_TRACER as well tracing: Add NMI tracing in hwlat detector tracing: Have hwlat trace migrate across tracing_cpumask CPUs tracing: Add documentation for hwlat_detector tracer tracing: Added hardware latency tracer ftrace: Access ret_stack->subtime only in the function profiler function_graph: Handle TRACE_BPUTS in print_graph_comment tracing/uprobe: Drop isdigit() check in create_trace_uprobe |
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Linus Torvalds
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541efb7632 |
xen: features and fixes for 4.9-rc0
- Switch to new CPU hotplug mechanism.
- Support driver_override in pciback.
- Require vector callback for HVM guests (the alternate mechanism via
the platform device has been broken for ages).
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Merge tag 'for-linus-4.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from David Vrabel:
"xen features and fixes for 4.9:
- switch to new CPU hotplug mechanism
- support driver_override in pciback
- require vector callback for HVM guests (the alternate mechanism via
the platform device has been broken for ages)"
* tag 'for-linus-4.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/x86: Update topology map for PV VCPUs
xen/x86: Initialize per_cpu(xen_vcpu, 0) a little earlier
xen/pciback: support driver_override
xen/pciback: avoid multiple entries in slot list
xen/pciback: simplify pcistub device handling
xen: Remove event channel notification through Xen PCI platform device
xen/events: Convert to hotplug state machine
xen/x86: Convert to hotplug state machine
x86/xen: add missing \n at end of printk warning message
xen/grant-table: Use kmalloc_array() in arch_gnttab_valloc()
xen: Make VPMU init message look less scary
xen: rename xen_pmu_init() in sys-hypervisor.c
hotplug: Prevent alloc/free of irq descriptors during cpu up/down (again)
xen/x86: Move irq allocation from Xen smp_op.cpu_up()
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Linus Torvalds
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6218590bcb |
KVM updates for v4.9-rc1
All architectures:
Move `make kvmconfig` stubs from x86; use 64 bits for debugfs stats.
ARM:
Important fixes for not using an in-kernel irqchip; handle SError
exceptions and present them to guests if appropriate; proxying of GICV
access at EL2 if guest mappings are unsafe; GICv3 on AArch32 on ARMv8;
preparations for GICv3 save/restore, including ABI docs; cleanups and
a bit of optimizations.
MIPS:
A couple of fixes in preparation for supporting MIPS EVA host kernels;
MIPS SMP host & TLB invalidation fixes.
PPC:
Fix the bug which caused guests to falsely report lockups; other minor
fixes; a small optimization.
s390:
Lazy enablement of runtime instrumentation; up to 255 CPUs for nested
guests; rework of machine check deliver; cleanups and fixes.
x86:
IOMMU part of AMD's AVIC for vmexit-less interrupt delivery; Hyper-V
TSC page; per-vcpu tsc_offset in debugfs; accelerated INS/OUTS in
nVMX; cleanups and fixes.
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Merge tag 'kvm-4.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Radim Krčmář:
"All architectures:
- move `make kvmconfig` stubs from x86
- use 64 bits for debugfs stats
ARM:
- Important fixes for not using an in-kernel irqchip
- handle SError exceptions and present them to guests if appropriate
- proxying of GICV access at EL2 if guest mappings are unsafe
- GICv3 on AArch32 on ARMv8
- preparations for GICv3 save/restore, including ABI docs
- cleanups and a bit of optimizations
MIPS:
- A couple of fixes in preparation for supporting MIPS EVA host
kernels
- MIPS SMP host & TLB invalidation fixes
PPC:
- Fix the bug which caused guests to falsely report lockups
- other minor fixes
- a small optimization
s390:
- Lazy enablement of runtime instrumentation
- up to 255 CPUs for nested guests
- rework of machine check deliver
- cleanups and fixes
x86:
- IOMMU part of AMD's AVIC for vmexit-less interrupt delivery
- Hyper-V TSC page
- per-vcpu tsc_offset in debugfs
- accelerated INS/OUTS in nVMX
- cleanups and fixes"
* tag 'kvm-4.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (140 commits)
KVM: MIPS: Drop dubious EntryHi optimisation
KVM: MIPS: Invalidate TLB by regenerating ASIDs
KVM: MIPS: Split kernel/user ASID regeneration
KVM: MIPS: Drop other CPU ASIDs on guest MMU changes
KVM: arm/arm64: vgic: Don't flush/sync without a working vgic
KVM: arm64: Require in-kernel irqchip for PMU support
KVM: PPC: Book3s PR: Allow access to unprivileged MMCR2 register
KVM: PPC: Book3S PR: Support 64kB page size on POWER8E and POWER8NVL
KVM: PPC: Book3S: Remove duplicate setting of the B field in tlbie
KVM: PPC: BookE: Fix a sanity check
KVM: PPC: Book3S HV: Take out virtual core piggybacking code
KVM: PPC: Book3S: Treat VTB as a per-subcore register, not per-thread
ARM: gic-v3: Work around definition of gic_write_bpr1
KVM: nVMX: Fix the NMI IDT-vectoring handling
KVM: VMX: Enable MSR-BASED TPR shadow even if APICv is inactive
KVM: nVMX: Fix reload apic access page warning
kvmconfig: add virtio-gpu to config fragment
config: move x86 kvm_guest.config to a common location
arm64: KVM: Remove duplicating init code for setting VMID
ARM: KVM: Support vgic-v3
...
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