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1d4746d395
596755 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Joonsoo Kim
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801faf0db8 |
mm/slab: lockless decision to grow cache
To check whether free objects exist or not precisely, we need to grab a lock. But, accuracy isn't that important because race window would be even small and if there is too much free object, cache reaper would reap it. So, this patch makes the check for free object exisistence not to hold a lock. This will reduce lock contention in heavily allocation case. Note that until now, n->shared can be freed during the processing by writing slabinfo, but, with some trick in this patch, we can access it freely within interrupt disabled period. Below is the result of concurrent allocation/free in slab allocation benchmark made by Christoph a long time ago. I make the output simpler. The number shows cycle count during alloc/free respectively so less is better. * Before Kmalloc N*alloc N*free(32): Average=248/966 Kmalloc N*alloc N*free(64): Average=261/949 Kmalloc N*alloc N*free(128): Average=314/1016 Kmalloc N*alloc N*free(256): Average=741/1061 Kmalloc N*alloc N*free(512): Average=1246/1152 Kmalloc N*alloc N*free(1024): Average=2437/1259 Kmalloc N*alloc N*free(2048): Average=4980/1800 Kmalloc N*alloc N*free(4096): Average=9000/2078 * After Kmalloc N*alloc N*free(32): Average=344/792 Kmalloc N*alloc N*free(64): Average=347/882 Kmalloc N*alloc N*free(128): Average=390/959 Kmalloc N*alloc N*free(256): Average=393/1067 Kmalloc N*alloc N*free(512): Average=683/1229 Kmalloc N*alloc N*free(1024): Average=1295/1325 Kmalloc N*alloc N*free(2048): Average=2513/1664 Kmalloc N*alloc N*free(4096): Average=4742/2172 It shows that allocation performance decreases for the object size up to 128 and it may be due to extra checks in cache_alloc_refill(). But, with considering improvement of free performance, net result looks the same. Result for other size class looks very promising, roughly, 50% performance improvement. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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213b46958c |
mm/slab: refill cpu cache through a new slab without holding a node lock
Until now, cache growing makes a free slab on node's slab list and then we can allocate free objects from it. This necessarily requires to hold a node lock which is very contended. If we refill cpu cache before attaching it to node's slab list, we can avoid holding a node lock as much as possible because this newly allocated slab is only visible to the current task. This will reduce lock contention. Below is the result of concurrent allocation/free in slab allocation benchmark made by Christoph a long time ago. I make the output simpler. The number shows cycle count during alloc/free respectively so less is better. * Before Kmalloc N*alloc N*free(32): Average=355/750 Kmalloc N*alloc N*free(64): Average=452/812 Kmalloc N*alloc N*free(128): Average=559/1070 Kmalloc N*alloc N*free(256): Average=1176/980 Kmalloc N*alloc N*free(512): Average=1939/1189 Kmalloc N*alloc N*free(1024): Average=3521/1278 Kmalloc N*alloc N*free(2048): Average=7152/1838 Kmalloc N*alloc N*free(4096): Average=13438/2013 * After Kmalloc N*alloc N*free(32): Average=248/966 Kmalloc N*alloc N*free(64): Average=261/949 Kmalloc N*alloc N*free(128): Average=314/1016 Kmalloc N*alloc N*free(256): Average=741/1061 Kmalloc N*alloc N*free(512): Average=1246/1152 Kmalloc N*alloc N*free(1024): Average=2437/1259 Kmalloc N*alloc N*free(2048): Average=4980/1800 Kmalloc N*alloc N*free(4096): Average=9000/2078 It shows that contention is reduced for all the object sizes and performance increases by 30 ~ 40%. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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76b342bdc7 |
mm/slab: separate cache_grow() to two parts
This is a preparation step to implement lockless allocation path when there is no free objects in kmem_cache. What we'd like to do here is to refill cpu cache without holding a node lock. To accomplish this purpose, refill should be done after new slab allocation but before attaching the slab to the management list. So, this patch separates cache_grow() to two parts, allocation and attaching to the list in order to add some code inbetween them in the following patch. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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511e3a0588 |
mm/slab: make cache_grow() handle the page allocated on arbitrary node
Currently, cache_grow() assumes that allocated page's nodeid would be same with parameter nodeid which is used for allocation request. If we discard this assumption, we can handle fallback_alloc() case gracefully. So, this patch makes cache_grow() handle the page allocated on arbitrary node and clean-up relevant code. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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03d1d43a12 |
mm/slab: racy access/modify the slab color
Slab color isn't needed to be changed strictly. Because locking for changing slab color could cause more lock contention so this patch implements racy access/modify the slab color. This is a preparation step to implement lockless allocation path when there is no free objects in the kmem_cache. Below is the result of concurrent allocation/free in slab allocation benchmark made by Christoph a long time ago. I make the output simpler. The number shows cycle count during alloc/free respectively so less is better. * Before Kmalloc N*alloc N*free(32): Average=365/806 Kmalloc N*alloc N*free(64): Average=452/690 Kmalloc N*alloc N*free(128): Average=736/886 Kmalloc N*alloc N*free(256): Average=1167/985 Kmalloc N*alloc N*free(512): Average=2088/1125 Kmalloc N*alloc N*free(1024): Average=4115/1184 Kmalloc N*alloc N*free(2048): Average=8451/1748 Kmalloc N*alloc N*free(4096): Average=16024/2048 * After Kmalloc N*alloc N*free(32): Average=355/750 Kmalloc N*alloc N*free(64): Average=452/812 Kmalloc N*alloc N*free(128): Average=559/1070 Kmalloc N*alloc N*free(256): Average=1176/980 Kmalloc N*alloc N*free(512): Average=1939/1189 Kmalloc N*alloc N*free(1024): Average=3521/1278 Kmalloc N*alloc N*free(2048): Average=7152/1838 Kmalloc N*alloc N*free(4096): Average=13438/2013 It shows that contention is reduced for object size >= 1024 and performance increases by roughly 15%. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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6052b7880a |
mm/slab: don't keep free slabs if free_objects exceeds free_limit
Currently, determination to free a slab is done whenever each freed object is put into the slab. This has a following problem. Assume free_limit = 10 and nr_free = 9. Free happens as following sequence and nr_free changes as following. free(become a free slab) free(not become a free slab) nr_free: 9 -> 10 (at first free) -> 11 (at second free) If we try to check if we can free current slab or not on each object free, we can't free any slab in this situation because current slab isn't a free slab when nr_free exceed free_limit (at second free) even if there is a free slab. However, if we check it lastly, we can free 1 free slab. This problem would cause to keep too much memory in the slab subsystem. This patch try to fix it by checking number of free object after all free work is done. If there is free slab at that time, we can free slab as much as possible so we keep free slab as minimal. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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c3d332b6b2 |
mm/slab: clean-up kmem_cache_node setup
There are mostly same code for setting up kmem_cache_node either in cpuup_prepare() or alloc_kmem_cache_node(). Factor out and clean-up them. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Tested-by: Nishanth Menon <nm@ti.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
|
ded0ecf611 |
mm/slab: factor out kmem_cache_node initialization code
It can be reused on other place, so factor out it. Following patch will use it. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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a5aa63a5f7 |
mm/slab: drain the free slab as much as possible
slabs_tofree() implies freeing all free slab. We can do it with just providing INT_MAX. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Joonsoo Kim
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8888177ea1 |
mm/slab: remove BAD_ALIEN_MAGIC again
Initial attemp to remove BAD_ALIEN_MAGIC is once reverted by 'commit
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Joonsoo Kim
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18726ca8b3 |
mm/slab: fix the theoretical race by holding proper lock
While processing concurrent allocation, SLAB could be contended a lot because it did a lots of work with holding a lock. This patchset try to reduce the number of critical section to reduce lock contention. Major changes are lockless decision to allocate more slab and lockless cpu cache refill from the newly allocated slab. Below is the result of concurrent allocation/free in slab allocation benchmark made by Christoph a long time ago. I make the output simpler. The number shows cycle count during alloc/free respectively so less is better. * Before Kmalloc N*alloc N*free(32): Average=365/806 Kmalloc N*alloc N*free(64): Average=452/690 Kmalloc N*alloc N*free(128): Average=736/886 Kmalloc N*alloc N*free(256): Average=1167/985 Kmalloc N*alloc N*free(512): Average=2088/1125 Kmalloc N*alloc N*free(1024): Average=4115/1184 Kmalloc N*alloc N*free(2048): Average=8451/1748 Kmalloc N*alloc N*free(4096): Average=16024/2048 * After Kmalloc N*alloc N*free(32): Average=344/792 Kmalloc N*alloc N*free(64): Average=347/882 Kmalloc N*alloc N*free(128): Average=390/959 Kmalloc N*alloc N*free(256): Average=393/1067 Kmalloc N*alloc N*free(512): Average=683/1229 Kmalloc N*alloc N*free(1024): Average=1295/1325 Kmalloc N*alloc N*free(2048): Average=2513/1664 Kmalloc N*alloc N*free(4096): Average=4742/2172 It shows that performance improves greatly (roughly more than 50%) for the object class whose size is more than 128 bytes. This patch (of 11): If we don't hold neither the slab_mutex nor the node lock, node's shared array cache could be freed and re-populated. If __kmem_cache_shrink() is called at the same time, it will call drain_array() with n->shared without holding node lock so problem can happen. This patch fix the situation by holding the node lock before trying to drain the shared array. In addition, add a debug check to confirm that n->shared access race doesn't exist. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> 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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Arnd Bergmann
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19d795b677 |
kernel/padata.c: hide unused functions
A recent cleanup removed some exported functions that were not used
anywhere, which in turn exposed the fact that some other functions in
the same file are only used in some configurations.
We now get a warning about them when CONFIG_HOTPLUG_CPU is disabled:
kernel/padata.c:670:12: error: '__padata_remove_cpu' defined but not used [-Werror=unused-function]
static int __padata_remove_cpu(struct padata_instance *pinst, int cpu)
^~~~~~~~~~~~~~~~~~~
kernel/padata.c:650:12: error: '__padata_add_cpu' defined but not used [-Werror=unused-function]
static int __padata_add_cpu(struct padata_instance *pinst, int cpu)
This rearranges the code so the __padata_remove_cpu/__padata_add_cpu
functions are within the #ifdef that protects the code that calls them.
[akpm@linux-foundation.org: coding-style fixes]
Fixes: 4ba6d78c671e ("kernel/padata.c: removed unused code")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Cochran <rcochran@linutronix.de>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Richard Cochran
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815613da6a |
kernel/padata.c: removed unused code
By accident I stumbled across code that has never been used. This
driver has EXPORT_SYMBOL functions, and the only user of the code is
pcrypt.c, but this only uses a subset of the exported symbols.
According to 'git log -G', the functions, padata_set_cpumasks,
padata_add_cpu, and padata_remove_cpu have never been used since they
were first introduced. This patch removes the unused code.
On one 64 bit build, with CRYPTO_PCRYPT built in, the text is more than
4k smaller.
kbuild_hp> size $KBUILD_OUTPUT/vmlinux
text data bss dec hex filename
10566658
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Guozhonghua
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8f9b1802c2 |
ocfs2: clean up an unneeded goto in ocfs2_put_slot()
The goto is not useful in ocfs2_put_slot(), so delete it. Signed-off-by: Guozhonghua <guozhonghua@h3c.com> 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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Jun Piao
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aa6913dbd2 |
ocfs2: clean up unused parameter 'count' in o2hb_read_block_input()
Clean up unused parameter 'count' in o2hb_read_block_input(). Signed-off-by: Jun Piao <piaojun@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.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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piaojun
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c14688ea24 |
ocfs2: clean up an unused variable 'wants_rotate' in ocfs2_truncate_rec
Clean up an unused variable 'wants_rotate' in ocfs2_truncate_rec. Signed-off-by: Jun Piao <piaojun@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.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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Guozhonghua
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8ba442214c |
ocfs2: fix comment in struct ocfs2_extended_slot
The comment in ocfs2_extended_slot has the offset wrong. 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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Du, Changbin
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b9fdac7f66 |
debugobjects: insulate non-fixup logic related to static obj from fixup callbacks
When activating a static object we need make sure that the object is tracked in the object tracker. If it is a non-static object then the activation is illegal. In previous implementation, each subsystem need take care of this in their fixup callbacks. Actually we can put it into debugobjects core. Thus we can save duplicated code, and have *pure* fixup callbacks. To achieve this, a new callback "is_static_object" is introduced to let the type specific code decide whether a object is static or not. If yes, we take it into object tracker, otherwise give warning and invoke fixup callback. This change has paassed debugobjects selftest, and I also do some test with all debugobjects supports enabled. At last, I have a concern about the fixups that can it change the object which is in incorrect state on fixup? Because the 'addr' may not point to any valid object if a non-static object is not tracked. Then Change such object can overwrite someone's memory and cause unexpected behaviour. For example, the timer_fixup_activate bind timer to function stub_timer. Link: http://lkml.kernel.org/r/1462576157-14539-1-git-send-email-changbin.du@intel.com [changbin.du@intel.com: improve code comments where invoke the new is_static_object callback] Link: http://lkml.kernel.org/r/1462777431-8171-1-git-send-email-changbin.du@intel.com Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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8bad1cd0e1 |
Documentation: update debugobjects doc
Update documentation creangponding to change(debugobjects: make fixup functions return bool instead of int). Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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d99b1d8912 |
percpu_counter: update debugobjects fixup callbacks return type
Update the return type to use bool instead of int, corresponding to cheange (debugobjects: make fixup functions return bool instead of int). Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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3263d28eb5 |
rcu: update debugobjects fixup callbacks return type
Update the return type to use bool instead of int, corresponding to cheange (debugobjects: make fixup functions return bool instead of int). Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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e3252464da |
timer: update debugobjects fixup callbacks return type
Update the return type to use bool instead of int, corresponding to cheange (debugobjects: make fixup functions return bool instead of int). Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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02a982a6ec |
workqueue: update debugobjects fixup callbacks return type
Update the return type to use bool instead of int, corresponding to change (debugobjects: make fixup functions return bool instead of int) Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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e7a8e78bd4 |
debugobjects: correct the usage of fixup call results
If debug_object_fixup() return non-zero when problem has been fixed. But the code got it backwards, it taks 0 as fixup successfully. So fix it. Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Du, Changbin
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b1e4d9d82d |
debugobjects: make fixup functions return bool instead of int
I am going to introduce debugobjects infrastructure to USB subsystem. But before this, I found the code of debugobjects could be improved. This patchset will make fixup functions return bool type instead of int. Because fixup only need report success or no. boolean is the 'real' type. This patch (of 7): The object debugging infrastructure core provides some fixup callbacks for the subsystem who use it. These callbacks are called from the debug code whenever a problem in debug_object_init is detected. And debugobjects core suppose them returns 1 when the fixup was successful, otherwise 0. So the return type is boolean. A bad thing is that debug_object_fixup use the return value for arithmetic operation. It confused me that what is the reall return type. Reading over the whole code, I found some place do use the return value incorrectly(see next patch). So why use bool type instead? Signed-off-by: Du, Changbin <changbin.du@intel.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Josh Triplett <josh@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tejun Heo <tj@kernel.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vineet Gupta
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b21e91c305 |
scripts/bloat-o-meter: print percent change
This adds an additional line of output (to reduce the chances of breaking any existing output parsers) which prints the total size before and after and the relative difference. add/remove: 39/0 grow/shrink: 12408/55 up/down: 362227/-1430 (360797) function old new delta ext4_fill_super 10556 12590 +2034 _fpadd_parts - 1186 +1186 ntfs_fill_super 5340 6164 +824 ... ... __divdf3 752 386 -366 unlzma 3682 3274 -408 Total: Before=5023101, After=5383898, chg 7.000000% ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Link: http://lkml.kernel.org/r/1463124110-30314-1-git-send-email-vgupta@synopsys.com Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Kees Cook
|
bad7de742d |
scripts/spelling.txt: add "fimware" misspelling
A few instances of "fimware" instead of "firmware" were found. Fix these and add it to the spelling.txt file. Signed-off-by: Kees Cook <keescook@chromium.org> Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Konstantin Khlebnikov
|
310c6dd06a |
scripts/decode_stacktrace.sh: handle symbols in modules
scripts/decode_stacktrace.sh presently displays module symbols as func+0x0ff/0x5153 [module] Add a third argument: the pathname of a directory where the script should look for the file module.ko so that the output appears as func (foo/bar.c:123) module Without the argument or if the module file isn't found the script prints such symbols as is without decoding. Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Deepa Dinamani
|
8e4f70e218 |
time: remove timespec_add_safe()
All references to timespec_add_safe() now use timespec64_add_safe(). The plan is to replace struct timespec references with struct timespec64 throughout the kernel as timespec is not y2038 safe. Drop timespec_add_safe() and use timespec64_add_safe() for all architectures. Link: http://lkml.kernel.org/r/1461947989-21926-4-git-send-email-deepa.kernel@gmail.com Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: John Stultz <john.stultz@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Deepa Dinamani
|
766b9f928b |
fs: poll/select/recvmmsg: use timespec64 for timeout events
struct timespec is not y2038 safe. Even though timespec might be sufficient to represent timeouts, use struct timespec64 here as the plan is to get rid of all timespec reference in the kernel. The patch transitions the common functions: poll_select_set_timeout() and select_estimate_accuracy() to use timespec64. And, all the syscalls that use these functions are transitioned in the same patch. The restart block parameters for poll uses monotonic time. Use timespec64 here as well to assign timeout value. This parameter in the restart block need not change because this only holds the monotonic timestamp at which timeout should occur. And, unsigned long data type should be big enough for this timestamp. The system call interfaces will be handled in a separate series. Compat interfaces need not change as timespec64 is an alias to struct timespec on a 64 bit system. Link: http://lkml.kernel.org/r/1461947989-21926-3-git-send-email-deepa.kernel@gmail.com Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Deepa Dinamani
|
bc2c53e5f1 |
time: add missing implementation for timespec64_add_safe()
timespec64_add_safe() has been defined in time64.h for 64 bit systems. But, 32 bit systems only have an extern function prototype defined. Provide a definition for the above function. The function will be necessary as part of y2038 changes. struct timespec is not y2038 safe. All references to timespec will be replaced by struct timespec64. The function is meant to be a replacement for timespec_add_safe(). The implementation is similar to timespec_add_safe(). Link: http://lkml.kernel.org/r/1461947989-21926-2-git-send-email-deepa.kernel@gmail.com Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: John Stultz <john.stultz@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Jan Kara
|
35e481761c |
fsnotify: avoid spurious EMFILE errors from inotify_init()
Inotify instance is destroyed when all references to it are dropped. That not only means that the corresponding file descriptor needs to be closed but also that all corresponding instance marks are freed (as each mark holds a reference to the inotify instance). However marks are freed only after SRCU period ends which can take some time and thus if user rapidly creates and frees inotify instances, number of existing inotify instances can exceed max_user_instances limit although from user point of view there is always at most one existing instance. Thus inotify_init() returns EMFILE error which is hard to justify from user point of view. This problem is exposed by LTP inotify06 testcase on some machines. We fix the problem by making sure all group marks are properly freed while destroying inotify instance. We wait for SRCU period to end in that path anyway since we have to make sure there is no event being added to the instance while we are tearing down the instance. So it takes only some plumbing to allow for marks to be destroyed in that path as well and not from a dedicated work item. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Jan Kara <jack@suse.cz> Reported-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> Tested-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
03b979dd03 |
A bunch of cleanups from Matt and some dead code removal from Anna-Maria
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||
|
Linus Torvalds
|
e9ad9b9bd3 |
The most interesting thing (IMO) this time around is some beginning
infrastructural work to allow documents to be written using restructured text. Maybe someday, in a galaxy far far away, we'll be able to eliminate the DocBook dependency and have a much better integrated set of kernel docs. Someday. Beyond that, there's a new document on security hardening from Kees, the movement of some sample code over to samples/, a number of improvements to the serial docs from Geert, and the usual collection of corrections, typo fixes, etc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJXPf/VAAoJEI3ONVYwIuV60pkP/3brq+CavbwptWppESoyZaf7 mpVSH7sOKicMcfHYYIXHmmg0K5gM4e22ATl39+izUCRZRwRnObXvroH++G5mARLs MUDxLvkc/QxDDuCZnUBq5E2gPtuyYpgj1q9fMGB+70ucc/EXYp5cxUhDmbNVrpSG KBMoZqKaW/Cf8/4fvRQG/glSR0iwyaQuvvoFAWLHgf8uWN/JPM2Cnv9V2zGQCtzP 4B4Jzayu2BGKowBd65WUYdpGnccc7OAJFSJDY/Z9x7kVxKyD+VTn7VgxGnXxs88v uNmUEMENUpswzuoYEnDHoR0Y2o7jUi2doFKv+eacSmPaMLWL5EMDzcooZ+Vi7HWH mvp6GtAZ5qs96OGjsi+gFIw4kY8HGdnpzs7qk/uEdAndfAif5v24YLSQRG2rUCJM LxomnAWOJEIWGKJtuJnl16aZkgOcn6soecXw3PJmpxzhwd8BnQzwyZIdaZ98kwjA 7Enq2Mmw5NBQwGIV2ODUxzoQ3Axj7aJJsDra2n6lPGTGXONGdgNFzk/hGmtQSuIp Aeatiy66FF0qKomzs2+EACOFP+eH/IId0yvW83Pj0o9nV25YZiPsw0Z1Tae5n3+g zgTFycalaowIwE3YzyH6BwvnMrluiPpUTjSLsmEaviJxE7/o+zrjOvMvallUIVUn YkJcia/DtSuc7u7LYkWe =2O+a -----END PGP SIGNATURE----- Merge tag 'docs-for-linus' of git://git.lwn.net/linux Pull Documentation updates from Jon Corbet: "A bit busier this time around. The most interesting thing (IMO) this time around is some beginning infrastructural work to allow documents to be written using restructured text. Maybe someday, in a galaxy far far away, we'll be able to eliminate the DocBook dependency and have a much better integrated set of kernel docs. Someday. Beyond that, there's a new document on security hardening from Kees, the movement of some sample code over to samples/, a number of improvements to the serial docs from Geert, and the usual collection of corrections, typo fixes, etc" * tag 'docs-for-linus' of git://git.lwn.net/linux: (55 commits) doc: self-protection: provide initial details serial: doc: Use port->state instead of info serial: doc: Always refer to tty_port->mutex Documentation: vm: Spelling s/paltform/platform/g Documentation/memcg: update kmem limit doc as codes behavior docproc: print a comment about autogeneration for rst output docproc: add support for reStructuredText format via --rst option docproc: abstract terminating lines at first space docproc: abstract docproc directive detection docproc: reduce unnecessary indentation docproc: add variables for subcommand and filename kernel-doc: use rst C domain directives and references for types kernel-doc: produce RestructuredText output kernel-doc: rewrite usage description, remove duplicated comments Doc: correct the location of sysrq.c Documentation: fix common spelling mistakes samples: v4l: from Documentation to samples directory samples: connector: from Documentation to samples directory Documentation: xillybus: fix spelling mistake Documentation: x86: fix spelling mistakes ... |
||
|
Linus Torvalds
|
78975f23cb |
Merge branch 'i2c/for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- Peter Rosin did some major rework on the locking of i2c muxes by
seperating parent-locked muxes and mux-locked muxes.
This avoids deadlocks/workarounds when the mux itself needs i2c
commands for muxing. And as a side-effect, other workarounds in the
media layer could be eliminated. Also, Peter stepped up as the i2c
mux maintainer and will keep an eye on these changes.
- major updates to the octeon driver
- add a helper to the core to generate the address+rw_bit octal and
make drivers use it
- quite a bunch of driver updates
* 'i2c/for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (84 commits)
i2c: rcar: add DMA support
i2c: st: Implement bus clear
i2c: only check scl functions when using generic recovery
i2c: algo-bit: declare i2c_bit_quirk_no_clk_stretch as static
i2c: tegra: disable clock before returning error
[media] rtl2832: regmap is aware of lockdep, drop local locking hack
[media] rtl2832_sdr: get rid of empty regmap wrappers
[media] rtl2832: change the i2c gate to be mux-locked
[media] si2168: change the i2c gate to be mux-locked
iio: imu: inv_mpu6050: change the i2c gate to be mux-locked
i2c: mux: document i2c muxes and elaborate on parent-/mux-locked muxes
i2c: mux: relax locking of the top i2c adapter during mux-locked muxing
i2c: muxes always lock the parent adapter
i2c: allow adapter drivers to override the adapter locking
i2c: uniphier: add "\n" at the end of error log
i2c: mv64xxx: remove CONFIG_HAVE_CLK conditionals
i2c: mv64xxx: use clk_{prepare_enable,disable_unprepare}
i2c: mv64xxx: handle probe deferral for the clock
i2c: mv64xxx: enable the driver on ARCH_MVEBU
i2c: octeon: Add workaround for broken irqs on CN3860
...
|
||
|
Linus Torvalds
|
feaa7cb5c5 |
Merge tag 'md/4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD updates from Shaohua Li: "Several patches from Guoqing fixing md-cluster bugs and several patches from Heinz fixing dm-raid bugs" * tag 'md/4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: md-cluster: check the return value of process_recvd_msg md-cluster: gather resync infos and enable recv_thread after bitmap is ready md: set MD_CHANGE_PENDING in a atomic region md: raid5: add prerequisite to run underneath dm-raid md: raid10: add prerequisite to run underneath dm-raid md: md.c: fix oops in mddev_suspend for raid0 md-cluster: fix ifnullfree.cocci warnings md-cluster/bitmap: unplug bitmap to sync dirty pages to disk md-cluster/bitmap: fix wrong page num in bitmap_file_clear_bit and bitmap_file_set_bit md-cluster/bitmap: fix wrong calcuation of offset md-cluster: sync bitmap when node received RESYNCING msg md-cluster: always setup in-memory bitmap md-cluster: wakeup thread if activated a spare disk md-cluster: change array_sectors and update size are not supported md-cluster: fix locking when node joins cluster during message broadcast md-cluster: unregister thread if err happened md-cluster: wake up thread to continue recovery md-cluser: make resync_finish only called after pers->sync_request md-cluster: change resync lock from asynchronous to synchronous |
||
|
Linus Torvalds
|
e0fb1b3639 |
IOMMU Updates for Linux v4.7
The updates include:
* Rate limiting for the VT-d fault handler
* Remove statistics code from the AMD IOMMU driver. It is unused
and should be replaced by something more generic if needed
* Per-domain pagesize-bitmaps in IOMMU core code to support
systems with different types of IOMMUs
* Support for ACPI devices in the AMD IOMMU driver
* 4GB mode support for Mediatek IOMMU driver
* ARM-SMMU updates from Will Deacon:
- Support for 64k pages with SMMUv1 implementations
(e.g MMU-401)
- Remove open-coded 64-bit MMIO accessors
- Initial support for 16-bit VMIDs, as supported by some
ThunderX SMMU implementations
- A couple of errata workarounds for silicon in the
field
* Various fixes here and there
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Merge tag 'iommu-updates-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"The updates include:
- rate limiting for the VT-d fault handler
- remove statistics code from the AMD IOMMU driver. It is unused and
should be replaced by something more generic if needed
- per-domain pagesize-bitmaps in IOMMU core code to support systems
with different types of IOMMUs
- support for ACPI devices in the AMD IOMMU driver
- 4GB mode support for Mediatek IOMMU driver
- ARM-SMMU updates from Will Deacon:
- support for 64k pages with SMMUv1 implementations (e.g MMU-401)
- remove open-coded 64-bit MMIO accessors
- initial support for 16-bit VMIDs, as supported by some ThunderX
SMMU implementations
- a couple of errata workarounds for silicon in the field
- various fixes here and there"
* tag 'iommu-updates-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (44 commits)
iommu/arm-smmu: Use per-domain page sizes.
iommu/amd: Remove statistics code
iommu/dma: Finish optimising higher-order allocations
iommu: Allow selecting page sizes per domain
iommu: of: enforce const-ness of struct iommu_ops
iommu: remove unused priv field from struct iommu_ops
iommu/dma: Implement scatterlist segment merging
iommu/arm-smmu: Clear cache lock bit of ACR
iommu/arm-smmu: Support SMMUv1 64KB supplement
iommu/arm-smmu: Decouple context format from kernel config
iommu/arm-smmu: Tidy up 64-bit/atomic I/O accesses
io-64-nonatomic: Add relaxed accessor variants
iommu/arm-smmu: Work around MMU-500 prefetch errata
iommu/arm-smmu: Convert ThunderX workaround to new method
iommu/arm-smmu: Differentiate specific implementations
iommu/arm-smmu: Workaround for ThunderX erratum #27704
iommu/arm-smmu: Add support for 16 bit VMID
iommu/amd: Move get_device_id() and friends to beginning of file
iommu/amd: Don't use IS_ERR_VALUE to check integer values
iommu/amd: Signedness bug in acpihid_device_group()
...
|
||
|
Linus Torvalds
|
f4c80d5a16 |
sound updates for 4.7-rc1
This time was again a relatively calm development cycle; most of
updates are about drivers, and no radical changes are seen in any
core code. Here are some highlights:
ALSA core:
- Continued hardening of ALSA hrtimer
- A few leak fixes in timer interface
- Fix poll error handling in PCM and compress
- Add error propagation in compress API
- Removal of dead rtctimer driver
HD-audio:
- Native ELD notify support for i915 HDMI
- Realtek ALC234 & co support
- Code refactoring to standardize chmap support
- Continued development for SKL HDMI core support
Firewire:
- Apply delayed card registration to all drivers
- Improved / stabilized the handling of PCM stream start / stop
- Add tracepoints to dump a part of isochronous packet data
- Fixed incoming/outgoing packet parameter usages
- Add support for M-Audio profire series
USB-audio:
- Fixes for UAC2 clock source
- SS+ support
- Workaround for oft-seen repeated sample rate read errors
ASoC:
- Further slow progress on the topology code
- Substantial updates and improvements for the da7219, es8328,
fsl-ssi, Intel and rcar drivers.
- Compress error handling in WM ADSP driver
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Merge tag 'sound-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This time was again a relatively calm development cycle; most of
updates are about drivers, and no radical changes are seen in any core
code. Here are some highlights:
ALSA core:
- Continued hardening of ALSA hrtimer
- A few leak fixes in timer interface
- Fix poll error handling in PCM and compress
- Add error propagation in compress API
- Removal of dead rtctimer driver
HD-audio:
- Native ELD notify support for i915 HDMI
- Realtek ALC234 & co support
- Code refactoring to standardize chmap support
- Continued development for SKL HDMI core support
Firewire:
- Apply delayed card registration to all drivers
- Improved / stabilized the handling of PCM stream start / stop
- Add tracepoints to dump a part of isochronous packet data
- Fixed incoming/outgoing packet parameter usages
- Add support for M-Audio profire series
USB-audio:
- Fixes for UAC2 clock source
- SS+ support
- Workaround for oft-seen repeated sample rate read errors
ASoC:
- Further slow progress on the topology code
- Substantial updates and improvements for the da7219, es8328,
fsl-ssi, Intel and rcar drivers.
- Compress error handling in WM ADSP driver"
* tag 'sound-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (177 commits)
ALSA: firewire-lib: change a member of event structure to suppress sparse wanings to bool type
sound: oss: Use setup_timer and mod_timer.
ASoC: hdac_hdmi: Remove the unused 'timeout' variable
ASoC: fsl_ssi: Fix channel slipping on capture (or playback) restart in full duplex.
ASoC: fsl_ssi: Fix channel slipping in Playback at startup
ASoC: fsl_ssi: Fix samples being dropped at Playback startup
ASoC: fsl_ssi: Save a dev reference for dev_err() purpose.
ASoC: fsl_ssi: The IPG/5 limitation concerns the bitclk, not the sysclk.
ASoC: fsl_ssi: Real hardware channels max number is 32
ASoC: pcm5102a: Add support for PCM5102A codec
ASoC: hdac_hdmi: add link management
ASoC: Intel: Skylake: add link management
ALSA: hdac: add link pm and ref counting
ALSA: au88x0: Fix zero clear of stream->resources
ASoC: rt298: Add DMI match for Broxton-P reference platform
ASoC: rt298: fix null deref on acpi driver data
ASoC: dapm: deprecate MICBIAS widget type
ALSA: firewire-lib: drop skip argument from helper functions to queue a packet
ALSA: firewire-lib: add context information to tracepoints
ALSA: firewire-lib: permit to flush queued packets only in process context for better PCM period granularity
...
|
||
|
Linus Torvalds
|
7afd16f882 |
PCI changes for the v4.7 merge window:
Enumeration
Refine PCI support check in pcibios_init() (Adrian-Ken Rueegsegger)
Provide common functions for ECAM mapping (Jayachandran C)
Allow all PCIe services on non-ACPI host bridges (Jon Derrick)
Remove return values from pcie_port_platform_notify() and relatives (Jon Derrick)
Widen portdrv service type from 4 bits to 8 bits (Keith Busch)
Add Downstream Port Containment portdrv service type (Keith Busch)
Add Downstream Port Containment driver (Keith Busch)
Resource management
Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs (Alex Williamson)
Supply CPU physical address (not bus address) to iomem_is_exclusive() (Bjorn Helgaas)
alpha: Call iomem_is_exclusive() for IORESOURCE_MEM, but not IORESOURCE_IO (Bjorn Helgaas)
Mark Broadwell-EP Home Agent 1 as having non-compliant BARs (Prarit Bhargava)
Disable all BAR sizing for devices with non-compliant BARs (Prarit Bhargava)
Move PCI I/O space management from OF to PCI core code (Tomasz Nowicki)
PCI device hotplug
acpiphp_ibm: Avoid uninitialized variable reference (Dan Carpenter)
Use cached copy of PCI_EXP_SLTCAP_HPC bit (Lukas Wunner)
Virtualization
Mark Intel i40e NIC INTx masking as broken (Alex Williamson)
Reverse standard ACS vs device-specific ACS enabling (Alex Williamson)
Work around Intel Sunrise Point PCH incorrect ACS capability (Alex Williamson)
IOMMU
Add pci_add_dma_alias() to abstract implementation (Bjorn Helgaas)
Move informational printk to pci_add_dma_alias() (Bjorn Helgaas)
Add support for multiple DMA aliases (Jacek Lawrynowicz)
Add DMA alias quirk for mic_x200_dma (Jacek Lawrynowicz)
Thunderbolt
Fix double free of drom buffer (Andreas Noever)
Add Intel Thunderbolt device IDs (Lukas Wunner)
Fix typos and magic number (Lukas Wunner)
Support 1st gen Light Ridge controller (Lukas Wunner)
Generic host bridge driver
Use generic ECAM API (Jayachandran C)
Cavium ThunderX host bridge driver
Don't clobber read-only bits in bridge config registers (David Daney)
Use generic ECAM API (Jayachandran C)
Freescale i.MX6 host bridge driver
Use enum instead of bool for variant indicator (Andrey Smirnov)
Implement reset sequence for i.MX6+ (Andrey Smirnov)
Factor out ref clock enable (Bjorn Helgaas)
Add initial imx6sx support (Christoph Fritz)
Add reset-gpio-active-high boolean property to DT (Petr Štetiar)
Add DT property for link gen, default to Gen1 (Tim Harvey)
dts: Specify imx6qp version of PCIe core (Andrey Smirnov)
dts: Fix PCIe reset GPIO polarity on Toradex Apalis Ixora (Petr Štetiar)
Marvell Armada host bridge driver
add DT binding for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
Add driver for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
Marvell MVEBU host bridge driver
Constify mvebu_pcie_pm_ops structure (Jisheng Zhang)
Use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for mvebu_pcie_pm_ops (Jisheng Zhang)
Microsoft Hyper-V host bridge driver
Report resources release after stopping the bus (Vitaly Kuznetsov)
Add explicit barriers to config space access (Vitaly Kuznetsov)
Renesas R-Car host bridge driver
Select PCI_MSI_IRQ_DOMAIN (Arnd Bergmann)
Synopsys DesignWare host bridge driver
Remove incorrect RC memory base/limit configuration (Gabriele Paoloni)
Move Root Complex setup code to dw_pcie_setup_rc() (Jisheng Zhang)
TI Keystone host bridge driver
Add error IRQ handler (Murali Karicheri)
Remove unnecessary goto statement (Murali Karicheri)
Miscellaneous
Fix spelling errors (Colin Ian King)
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Merge tag 'pci-v4.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Refine PCI support check in pcibios_init() (Adrian-Ken Rueegsegger)
- Provide common functions for ECAM mapping (Jayachandran C)
- Allow all PCIe services on non-ACPI host bridges (Jon Derrick)
- Remove return values from pcie_port_platform_notify() and relatives (Jon Derrick)
- Widen portdrv service type from 4 bits to 8 bits (Keith Busch)
- Add Downstream Port Containment portdrv service type (Keith Busch)
- Add Downstream Port Containment driver (Keith Busch)
Resource management:
- Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs (Alex Williamson)
- Supply CPU physical address (not bus address) to iomem_is_exclusive() (Bjorn Helgaas)
- alpha: Call iomem_is_exclusive() for IORESOURCE_MEM, but not IORESOURCE_IO (Bjorn Helgaas)
- Mark Broadwell-EP Home Agent 1 as having non-compliant BARs (Prarit Bhargava)
- Disable all BAR sizing for devices with non-compliant BARs (Prarit Bhargava)
- Move PCI I/O space management from OF to PCI core code (Tomasz Nowicki)
PCI device hotplug:
- acpiphp_ibm: Avoid uninitialized variable reference (Dan Carpenter)
- Use cached copy of PCI_EXP_SLTCAP_HPC bit (Lukas Wunner)
Virtualization:
- Mark Intel i40e NIC INTx masking as broken (Alex Williamson)
- Reverse standard ACS vs device-specific ACS enabling (Alex Williamson)
- Work around Intel Sunrise Point PCH incorrect ACS capability (Alex Williamson)
IOMMU:
- Add pci_add_dma_alias() to abstract implementation (Bjorn Helgaas)
- Move informational printk to pci_add_dma_alias() (Bjorn Helgaas)
- Add support for multiple DMA aliases (Jacek Lawrynowicz)
- Add DMA alias quirk for mic_x200_dma (Jacek Lawrynowicz)
Thunderbolt:
- Fix double free of drom buffer (Andreas Noever)
- Add Intel Thunderbolt device IDs (Lukas Wunner)
- Fix typos and magic number (Lukas Wunner)
- Support 1st gen Light Ridge controller (Lukas Wunner)
Generic host bridge driver:
- Use generic ECAM API (Jayachandran C)
Cavium ThunderX host bridge driver:
- Don't clobber read-only bits in bridge config registers (David Daney)
- Use generic ECAM API (Jayachandran C)
Freescale i.MX6 host bridge driver:
- Use enum instead of bool for variant indicator (Andrey Smirnov)
- Implement reset sequence for i.MX6+ (Andrey Smirnov)
- Factor out ref clock enable (Bjorn Helgaas)
- Add initial imx6sx support (Christoph Fritz)
- Add reset-gpio-active-high boolean property to DT (Petr Štetiar)
- Add DT property for link gen, default to Gen1 (Tim Harvey)
- dts: Specify imx6qp version of PCIe core (Andrey Smirnov)
- dts: Fix PCIe reset GPIO polarity on Toradex Apalis Ixora (Petr Štetiar)
Marvell Armada host bridge driver:
- add DT binding for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
- Add driver for Marvell Armada 7K/8K PCIe controller (Thomas Petazzoni)
Marvell MVEBU host bridge driver:
- Constify mvebu_pcie_pm_ops structure (Jisheng Zhang)
- Use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for mvebu_pcie_pm_ops (Jisheng Zhang)
Microsoft Hyper-V host bridge driver:
- Report resources release after stopping the bus (Vitaly Kuznetsov)
- Add explicit barriers to config space access (Vitaly Kuznetsov)
Renesas R-Car host bridge driver:
- Select PCI_MSI_IRQ_DOMAIN (Arnd Bergmann)
Synopsys DesignWare host bridge driver:
- Remove incorrect RC memory base/limit configuration (Gabriele Paoloni)
- Move Root Complex setup code to dw_pcie_setup_rc() (Jisheng Zhang)
TI Keystone host bridge driver:
- Add error IRQ handler (Murali Karicheri)
- Remove unnecessary goto statement (Murali Karicheri)
Miscellaneous:
- Fix spelling errors (Colin Ian King)"
* tag 'pci-v4.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits)
PCI: Disable all BAR sizing for devices with non-compliant BARs
x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
PCI: Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs
PCI, of: Move PCI I/O space management to PCI core code
PCI: generic, thunder: Use generic ECAM API
PCI: Provide common functions for ECAM mapping
PCI: hv: Add explicit barriers to config space access
PCI: Use cached copy of PCI_EXP_SLTCAP_HPC bit
PCI: Add Downstream Port Containment driver
PCI: Add Downstream Port Containment portdrv service type
PCI: Widen portdrv service type from 4 bits to 8 bits
PCI: designware: Remove incorrect RC memory base/limit configuration
PCI: hv: Report resources release after stopping the bus
ARM: dts: imx6qp: Specify imx6qp version of PCIe core
PCI: imx6: Implement reset sequence for i.MX6+
PCI: imx6: Use enum instead of bool for variant indicator
PCI: thunder: Don't clobber read-only bits in bridge config registers
thunderbolt: Fix double free of drom buffer
PCI: rcar: Select PCI_MSI_IRQ_DOMAIN
PCI: armada: Add driver for Marvell Armada 7K/8K PCIe controller
...
|
||
|
Linus Torvalds
|
a37571a29e |
Pin control bulk changes for the v4.7 kernel cycle:
Core changes:
- Add the devm_pinctrl_register() API and switch all applicable drivers
to use it, saving lots of lines of code all over the place.
New drivers:
- New driver for the Broadcom NS2 SoC.
- New subdriver for the PXA25x SoCs.
- New subdriver for the AMLogic Meson GXBB SoC.
Driver improvements:
- The Intel Baytrail driver now properly supports pin control.
- The Nomadik, Rockchip, Broadcom BCM2835 supports the .get_direction() callback in
the GPIO portions.
- Continued development and stabilization of several SH-PFC
SoC subdrivers: r8a7795, r8a7790, r8a7794 etc.
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Merge tag 'pinctrl-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This kernel cycle was quite calm when it comes to pin control and
there is really just one major change, and that is the introduction of
devm_pinctrl_register() managed resources.
Apart from that linear development, details below.
Core changes:
- Add the devm_pinctrl_register() API and switch all applicable
drivers to use it, saving lots of lines of code all over the place.
New drivers:
- driver for the Broadcom NS2 SoC
- subdriver for the PXA25x SoCs
- subdriver for the AMLogic Meson GXBB SoC
Driver improvements:
- the Intel Baytrail driver now properly supports pin control
- Nomadik, Rockchip, Broadcom BCM2835 support the .get_direction()
callback in the GPIO portions
- continued development and stabilization of several SH-PFC SoC
subdrivers: r8a7795, r8a7790, r8a7794 etc"
* tag 'pinctrl-v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (85 commits)
Revert "pinctrl: tegra: avoid parked_reg and parked_bank"
pinctrl: meson: Fix eth_tx_en bit index
pinctrl: tegra: avoid parked_reg and parked_bank
pinctrl: tegra: Correctly check the supported configuration
pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC
pinctrl: rockchip: fix pull setting error for rk3399
pinctrl: stm32: Implement .pin_config_dbg_show()
pinctrl: nomadik: hide nmk_gpio_get_mode when unused
pinctrl: ns2: rename pinctrl_utils_dt_free_map
pinctrl: at91: Merge clk_prepare and clk_enable into clk_prepare_enable
pinctrl: at91: Make at91_gpio_template const
pinctrl: baytrail: fix some error handling in debugfs
pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC
pinctrl: sirf/atlas7: trivial fix of spelling mistake on flagged
pinctrl: sh-pfc: Kill unused variable in sh_pfc_remove()
pinctrl: nomadik: implement .get_direction()
pinctrl: nomadik: use BIT() with offsets consequently
pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
pinctrl: zynq: Use devm_pinctrl_register() for pinctrl registration
pinctrl: u300: Use devm_pinctrl_register() for pinctrl registration
...
|
||
|
Linus Torvalds
|
a0d3c7c5c0 |
dmaengine updates for 4.7
This time round the update brings in following changes:
- New tegra driver for ADMA device
- Support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI Central
Direct Memory Access Engine and few updates to this driver.
- New cyclic capability to sun6i and few updates.
- Slave-sg support in bcm2835.
- Updates to many drivers like designware, hsu, mv_xor, pxa, edma,
qcom_hidma & bam.
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Merge tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time round the update brings in following changes:
- new tegra driver for ADMA device
- support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI
Central Direct Memory Access Engine and few updates to this driver
- new cyclic capability to sun6i and few updates
- slave-sg support in bcm2835
- updates to many drivers like designware, hsu, mv_xor, pxa, edma,
qcom_hidma & bam"
* tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (84 commits)
dmaengine: ioatdma: disable relaxed ordering for ioatdma
dmaengine: of_dma: approximate an average distribution
dmaengine: core: Use IS_ENABLED() instead of checking for built-in or module
dmaengine: edma: Re-evaluate errors when ccerr is triggered w/o error event
dmaengine: qcom_hidma: add support for object hierarchy
dmaengine: qcom_hidma: add debugfs hooks
dmaengine: qcom_hidma: implement lower level hardware interface
dmaengine: vdma: Add clock support
Documentation: DT: vdma: Add clock support for dmas
dmaengine: vdma: Add config structure to differentiate dmas
MAINTAINERS: Update Tegra DMA maintainers
dmaengine: tegra-adma: Add support for Tegra210 ADMA
Documentation: DT: Add binding documentation for NVIDIA ADMA
dmaengine: vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine
Documentation: DT: vdma: update binding doc for AXI CDMA
dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine
Documentation: DT: vdma: update binding doc for AXI DMA
dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma
dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC
dmaengine: mv_xor: Allow selecting mv_xor for mvebu only compatible SoC
...
|
||
|
Linus Torvalds
|
ec67b14c1b |
Benjamin Poirier added some minor fixes and clean ups to localmodconfig.
One is a fix for making sure that module signing still works when coming from a different environment. If original keys are not found it will warn and reset the keys to their default value. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJXPf7XAAoJEKKk/i67LK/8HXYH+QH5Pp85FV3aA8rN4O/lnJyy bz3bffB13GpO1tMFgqdoPjq41rRVJLIrCVrwypRP3KxnWyN520xkATi14um8eQr2 JfWimXDjX3qH++bqFAckvb++1pp0jMRVwNXsakQEvQGJTNVkdCsLgpSUObo9WSPy JjphoX0+E/gh0qXrhNmGZDXFQT+YCKiVDAuyLjw+3GP3OXJUqQrQsqBTAcTgKgb2 fAKjvYOPptZ+GogZgqAUpx8+yxLBWHSj2PdGAvsCL5ZBYU9LEuq+VYS7XI50oTyT 5U+4DGdcee02EBgKP/CkhjeadmQTOSdRmN2c6ev41LebPjPPnTA7QJVp6yZZ7ko= =ef99 -----END PGP SIGNATURE----- Merge tag 'localmodconfig-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig Pull localmodconfig updates from Steven Rostedt. "Benjamin Poirier added some minor fixes and clean ups to localmodconfig. One is a fix for making sure that module signing still works when coming from a different environment. If original keys are not found it will warn and reset the keys to their default value" * tag 'localmodconfig-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig: localmodconfig: Fix whitespace repeat count after "tristate" localmodconfig: Reset certificate paths localmodconfig: Add missing $ to reference a variable localmodconfig: Fix parsing of "help" text localmodconfig: Recognize more keywords that end a menu entry localmodconfig: Fix parsing of Kconfig "source" statements |
||
|
Linus Torvalds
|
7beaa24ba4 |
Small release overall.
- x86: miscellaneous fixes, AVIC support (local APIC virtualization, AMD version) - s390: polling for interrupts after a VCPU goes to halted state is now enabled for s390; use hardware provided information about facility bits that do not need any hypervisor activity, and other fixes for cpu models and facilities; improve perf output; floating interrupt controller improvements. - MIPS: miscellaneous fixes - PPC: bugfixes only - ARM: 16K page size support, generic firmware probing layer for timer and GIC Christoffer Dall (KVM-ARM maintainer) says: "There are a few changes in this pull request touching things outside KVM, but they should all carry the necessary acks and it made the merge process much easier to do it this way." though actually the irqchip maintainers' acks didn't make it into the patches. Marc Zyngier, who is both irqchip and KVM-ARM maintainer, later acked at http://mid.gmane.org/573351D1.4060303@arm.com "more formally and for documentation purposes". -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAABAgAGBQJXPJjyAAoJEL/70l94x66DhioH/j4fwQ0FmfPSM9PArzaFHQdx LNE3tU4+bobbsy1BJr4DiAaOUQn3DAgwUvGLWXdeLiOXtoWXBiFHKaxlqEsCA6iQ xcTH1TgfxsVoqGQ6bT9X/2GCx70heYpcWG3f+zqBy7ZfFmQykLAC/HwOr52VQL8f hUFi3YmTHcnorp0n5Xg+9r3+RBS4D/kTbtdn6+KCLnPJ0RcgNkI3/NcafTemoofw Tkv8+YYFNvKV13qlIfVqxMa0GwWI3pP6YaNKhaS5XO8Pu16HuuF1JthJsUBDzwBa RInp8R9MoXgsBYhLpz3jc9vWG7G9yDl5LehsD9KOUGOaFYJ7sQN+QZOusa6jFgA= =llO5 -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM updates from Paolo Bonzini: "Small release overall. x86: - miscellaneous fixes - AVIC support (local APIC virtualization, AMD version) s390: - polling for interrupts after a VCPU goes to halted state is now enabled for s390 - use hardware provided information about facility bits that do not need any hypervisor activity, and other fixes for cpu models and facilities - improve perf output - floating interrupt controller improvements. MIPS: - miscellaneous fixes PPC: - bugfixes only ARM: - 16K page size support - generic firmware probing layer for timer and GIC Christoffer Dall (KVM-ARM maintainer) says: "There are a few changes in this pull request touching things outside KVM, but they should all carry the necessary acks and it made the merge process much easier to do it this way." though actually the irqchip maintainers' acks didn't make it into the patches. Marc Zyngier, who is both irqchip and KVM-ARM maintainer, later acked at http://mid.gmane.org/573351D1.4060303@arm.com ('more formally and for documentation purposes')" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (82 commits) KVM: MTRR: remove MSR 0x2f8 KVM: x86: make hwapic_isr_update and hwapic_irr_update look the same svm: Manage vcpu load/unload when enable AVIC svm: Do not intercept CR8 when enable AVIC svm: Do not expose x2APIC when enable AVIC KVM: x86: Introducing kvm_x86_ops.apicv_post_state_restore svm: Add VMEXIT handlers for AVIC svm: Add interrupt injection via AVIC KVM: x86: Detect and Initialize AVIC support svm: Introduce new AVIC VMCB registers KVM: split kvm_vcpu_wake_up from kvm_vcpu_kick KVM: x86: Introducing kvm_x86_ops VCPU blocking/unblocking hooks KVM: x86: Introducing kvm_x86_ops VM init/destroy hooks KVM: x86: Rename kvm_apic_get_reg to kvm_lapic_get_reg KVM: x86: Misc LAPIC changes to expose helper functions KVM: shrink halt polling even more for invalid wakeups KVM: s390: set halt polling to 80 microseconds KVM: halt_polling: provide a way to qualify wakeups during poll KVM: PPC: Book3S HV: Re-enable XICS fast path for irqfd-generated interrupts kvm: Conditionally register IRQ bypass consumer ... |
||
|
Linus Torvalds
|
07b75260eb |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
"This is the main pull request for MIPS for 4.7. Here's the summary of
the changes:
- ATH79: Support for DTB passuing using the UHI boot protocol
- ATH79: Remove support for builtin DTB.
- ATH79: Add zboot debug serial support.
- ATH79: Add initial support for Dragino MS14 (Dragine 2), Onion Omega
and DPT-Module.
- ATH79: Update devicetree clock support for AR9132 and AR9331.
- ATH79: Cleanup the DT code.
- ATH79: Support newer SOCs in ath79_ddr_ctrl_init.
- ATH79: Fix regression in PCI window initialization.
- BCM47xx: Move SPROM driver to drivers/firmware/
- BCM63xx: Enable partition parser in defconfig.
- BMIPS: BMIPS5000 has I cache filing from D cache
- BMIPS: BMIPS: Add cpu-feature-overrides.h
- BMIPS: Add Whirlwind support
- BMIPS: Adjust mips-hpt-frequency for BCM7435
- BMIPS: Remove maxcpus from BCM97435SVMB DTS
- BMIPS: Add missing 7038 L1 register cells to BCM7435
- BMIPS: Various tweaks to initialization code.
- BMIPS: Enable partition parser in defconfig.
- BMIPS: Cache tweaks.
- BMIPS: Add UART, I2C and SATA devices to DT.
- BMIPS: Add BCM6358 and BCM63268support
- BMIPS: Add device tree example for BCM6358.
- BMIPS: Improve Improve BCM6328 and BCM6368 device trees
- Lantiq: Add support for device tree file from boot loader
- Lantiq: Allow build with no built-in DT.
- Loongson 3: Reserve 32MB for RS780E integrated GPU.
- Loongson 3: Fix build error after ld-version.sh modification
- Loongson 3: Move chipset ACPI code from drivers to arch.
- Loongson 3: Speedup irq processing.
- Loongson 3: Add basic Loongson 3A support.
- Loongson 3: Set cache flush handlers to nop.
- Loongson 3: Invalidate special TLBs when needed.
- Loongson 3: Fast TLB refill handler.
- MT7620: Fallback strategy for invalid syscfg0.
- Netlogic: Fix CP0_EBASE redefinition warnings
- Octeon: Initialization fixes
- Octeon: Add DTS files for the D-Link DSR-1000N and EdgeRouter Lite
- Octeon: Enable add Octeon-drivers in cavium_octeon_defconfig
- Octeon: Correctly handle endian-swapped initramfs images.
- Octeon: Support CN73xx, CN75xx and CN78xx.
- Octeon: Remove dead code from cvmx-sysinfo.
- Octeon: Extend number of supported CPUs past 32.
- Octeon: Remove some code limiting NR_IRQS to 255.
- Octeon: Simplify octeon_irq_ciu_gpio_set_type.
- Octeon: Mark some functions __init in smp.c
- Octeon: Octeon: Add Octeon III CN7xxx interface detection
- PIC32: Add serial driver and bindings for it.
- PIC32: Add PIC32 deadman timer driver and bindings.
- PIC32: Add PIC32 clock timer driver and bindings.
- Pistachio: Determine SoC revision during boot
- Sibyte: Fix Kconfig dependencies of SIBYTE_BUS_WATCHER.
- Sibyte: Strip redundant comments from bcm1480_regs.h.
- Panic immediately if panic_on_oops is set.
- module: fix incorrect IS_ERR_VALUE macro usage.
- module: Make consistent use of pr_*
- Remove no longer needed work_on_cpu() call.
- Remove CONFIG_IPV6_PRIVACY from defconfigs.
- Fix registers of non-crashing CPUs in dumps.
- Handle MIPSisms in new vmcore_elf32_check_arch.
- Select CONFIG_HANDLE_DOMAIN_IRQ and make it work.
- Allow RIXI to be used on non-R2 or R6 cores.
- Reserve nosave data for hibernation
- Fix siginfo.h to use strict POSIX types.
- Don't unwind user mode with EVA.
- Fix watchpoint restoration
- Ptrace watchpoints for R6.
- Sync icache when it fills from dcache
- I6400 I-cache fills from dcache.
- Various MSA fixes.
- Cleanup MIPS_CPU_* definitions.
- Signal: Move generic copy_siginfo to signal.h
- Signal: Fix uapi include in exported asm/siginfo.h
- Timer fixes for sake of KVM.
- XPA TLB refill fixes.
- Treat perf counter feature
- Update John Crispin's email address
- Add PIC32 watchdog and bindings.
- Handle R10000 LL/SC bug in set_pte()
- cpufreq: Various fixes for Longson1.
- R6: Fix R2 emulation.
- mathemu: Cosmetic fix to ADDIUPC emulation, plenty of other small fixes
- ELF: ABI and FP fixes.
- Allow for relocatable kernel and use that to support KASLR.
- Fix CPC_BASE_ADDR mask
- Plenty fo smp-cps, CM, R6 and M6250 fixes.
- Make reset_control_ops const.
- Fix kernel command line handling of leading whitespace.
- Cleanups to cache handling.
- Add brcm, bcm6345-l1-intc device tree bindings.
- Use generic clkdev.h header
- Remove CLK_IS_ROOT usage.
- Misc small cleanups.
- CM: Fix compilation error when !MIPS_CM
- oprofile: Fix a preemption issue
- Detect DSP ASE v3 support:1"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (275 commits)
MIPS: pic32mzda: fix getting timer clock rate.
MIPS: ath79: fix regression in PCI window initialization
MIPS: ath79: make ath79_ddr_ctrl_init() compatible for newer SoCs
MIPS: Fix VZ probe gas errors with binutils <2.24
MIPS: perf: Fix I6400 event numbers
MIPS: DEC: Export `ioasic_ssr_lock' to modules
MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC
MIPS: CM: Fix compilation error when !MIPS_CM
MIPS: Fix genvdso error on rebuild
USB: ohci-jz4740: Remove obsolete driver
MIPS: JZ4740: Probe OHCI platform device via DT
MIPS: JZ4740: Qi LB60: Remove support for AVT2 variant
MIPS: pistachio: Determine SoC revision during boot
MIPS: BMIPS: Adjust mips-hpt-frequency for BCM7435
mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for the memory type
MIPS: Prevent "restoration" of MSA context in non-MSA kernels
MIPS: cevt-r4k: Dynamically calculate min_delta_ns
MIPS: malta-time: Take seconds into account
MIPS: malta-time: Start GIC count before syncing to RTC
MIPS: Force CPUs to lose FP context during mode switches
...
|
||
|
Linus Torvalds
|
0efacbbaee |
ARC updates for 4.7-rc1
- Support for EZChip (now Mellanox) NPS-400 Network processor based on ARC700
http://www.mellanox.com/related-docs/prod_npu/PB_NPS-400.pdf
- NPS interrupt controller and clocksource drivers
- ARC timers probed off DT
- ARC iqrchips switching to linear domain (upgrade from legacy domains)
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Merge tag 'arc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"We have a relatively big changeset for ARC for 4.7.
The highlight is support for EZChip (now Mellanox) NPS-400 network
processor, a 400-Gb throughput C-programmable packet processor based
on ARC700 cores from Synopsys. See
http://www.mellanox.com/related-docs/prod_npu/PB_NPS-400.pdf
Also present are irqchip and clocksource drivers for NPS as agreed
with respective maintainers to go via ARC tree due to an soc header
dependency. I have the needed ACKs from Jason, Marc, Daniel. You
might run into a trivial merge conflict in drivers/irqchip/*
This EZChip platform support required some deep changes in ARC
architecture code and also opportunity to cleanup past sins (legacy
irq domains, missing irq domain lookup, hard coded timer irqs...)
Summary:
- Support for EZChip (now Mellanox) NPS-400 Network processor based
on ARC700
- NPS interrupt controller and clocksource drivers
- ARC timers probed off DT
- ARC iqrchips switching to linear domain (upgrade from legacy
domains)"
* tag 'arc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (37 commits)
arc: axs103_smp: Fix CPU frequency to 100MHz for dual-core
arc: axs10x: Add DT bindings for I2S PLL Clock
ARC: pae: STRICT_MM_TYPECHECKS was broken
ARC: Add eznps platform to Kconfig and Makefile
ARC: [plat-eznps] Use dedicated COMMAND_LINE_SIZE
ARC: [plat-eznps] Use dedicated cpu_relax()
ARC: [plat-eznps] Use dedicated identity auxiliary register.
ARC: [plat-eznps] Use dedicated SMP barriers
ARC: [plat-eznps] Use dedicated atomic/bitops/cmpxchg
ARC: [plat-eznps] Use dedicated user stack top
ARC: [plat-eznps] Add eznps platform
ARC: [plat-eznps] Add eznps board defconfig and dts
ARC: Mark secondary cpu online only after all HW setup is done
ARC: rwlock: disable interrupts in !LLSC variant
ARC: Make vmalloc size configurable
ARC: clean out UAPI byteorder.h clean off Kconfig symbol
irqchip: add nps Internal and external irqchips
clocksource: Add NPS400 timers driver
soc: Support for EZchip SoC
Documentation: Add EZchip vendor to binding list
...
|
||
|
Linus Torvalds
|
f4f27d0028 |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
"Highlights:
- A new LSM, "LoadPin", from Kees Cook is added, which allows forcing
of modules and firmware to be loaded from a specific device (this
is from ChromeOS, where the device as a whole is verified
cryptographically via dm-verity).
This is disabled by default but can be configured to be enabled by
default (don't do this if you don't know what you're doing).
- Keys: allow authentication data to be stored in an asymmetric key.
Lots of general fixes and updates.
- SELinux: add restrictions for loading of kernel modules via
finit_module(). Distinguish non-init user namespace capability
checks. Apply execstack check on thread stacks"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (48 commits)
LSM: LoadPin: provide enablement CONFIG
Yama: use atomic allocations when reporting
seccomp: Fix comment typo
ima: add support for creating files using the mknodat syscall
ima: fix ima_inode_post_setattr
vfs: forbid write access when reading a file into memory
fs: fix over-zealous use of "const"
selinux: apply execstack check on thread stacks
selinux: distinguish non-init user namespace capability checks
LSM: LoadPin for kernel file loading restrictions
fs: define a string representation of the kernel_read_file_id enumeration
Yama: consolidate error reporting
string_helpers: add kstrdup_quotable_file
string_helpers: add kstrdup_quotable_cmdline
string_helpers: add kstrdup_quotable
selinux: check ss_initialized before revalidating an inode label
selinux: delay inode label lookup as long as possible
selinux: don't revalidate an inode's label when explicitly setting it
selinux: Change bool variable name to index.
KEYS: Add KEYCTL_DH_COMPUTE command
...
|
||
|
Russell King
|
5632a9fbcd | Merge branches 'amba', 'devel-stable', 'kexec-for-next' and 'misc' into for-linus | ||
|
Michael Ellerman
|
138a076496 |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
Freescale updates from Scott: "Contains include 86xx fixes, minor device tree fixes, an erratum workaround, and a kconfig dependency fix." |
||
|
Linus Torvalds
|
2600a46ee0 |
This includes two new updates for the ftrace infrastructure.
1) With the changing of the code for filtering events by pid, from
a list of pids to a bitmask, we can now easily implement following
forks. With a new tracing option "event-fork" which, when set, will
have tasks with pids in set_event_pid, when they fork, to have their
child pids added to set_event_pid and the child will be traced as well.
Note, if "event-fork" is set and a task with its pid in set_event_pid
exits, its pid will be removed from set_event_pid
2) The addition of Tom Zanussi's hist triggers. This includes a very
thorough documentatino on how to use the hist triggers with events.
This introduces a quick and easy way to get histogram data from
events and their fields.
Some other cleanups and updates were added as well. Like Masami Hiramatsu
added test cases for the event trigger and hist triggers. Also I added
a speed up of filtering by using a temp buffer when filters are set.
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Merge tag 'trace-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"This includes two new updates for the ftrace infrastructure.
- With the changing of the code for filtering events by pid, from a
list of pids to a bitmask, we can now easily implement following
forks. With a new tracing option "event-fork" which, when set,
will have tasks with pids in set_event_pid, when they fork, to have
their child pids added to set_event_pid and the child will be
traced as well.
Note, if "event-fork" is set and a task with its pid in
set_event_pid exits, its pid will be removed from set_event_pid
- The addition of Tom Zanussi's hist triggers. This includes a very
thorough documentatino on how to use the hist triggers with events.
This introduces a quick and easy way to get histogram data from
events and their fields.
Some other cleanups and updates were added as well. Like Masami
Hiramatsu added test cases for the event trigger and hist triggers.
Also I added a speed up of filtering by using a temp buffer when
filters are set"
* tag 'trace-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (45 commits)
tracing: Use temp buffer when filtering events
tracing: Remove TRACE_EVENT_FL_USE_CALL_FILTER logic
tracing: Remove unused function trace_current_buffer_lock_reserve()
tracing: Remove one use of trace_current_buffer_lock_reserve()
tracing: Have trace_buffer_unlock_commit() call the _regs version with NULL
tracing: Remove unused function trace_current_buffer_discard_commit()
tracing: Move trace_buffer_unlock_commit{_regs}() to local header
tracing: Fold filter_check_discard() into its only user
tracing: Make filter_check_discard() local
tracing: Move event_trigger_unlock_commit{_regs}() to local header
tracing: Don't use the address of the buffer array name in copy_from_user
tracing: Handle tracing_map_alloc_elts() error path correctly
tracing: Add check for NULL event field when creating hist field
tracing: checking for NULL instead of IS_ERR()
tracing: Do not inherit event-fork option for instances
tracing: Fix unsigned comparison to zero in hist trigger code
kselftests/ftrace: Add a test for log2 modifier of hist trigger
tracing: Add hist trigger 'log2' modifier
kselftests/ftrace: Add hist trigger testcases
kselftests/ftrace : Add event trigger testcases
...
|
||
|
Linus Torvalds
|
03e1aa1cbb |
Merge branch 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit
Pull audit updates from Paul Moore: "Four small audit patches for 4.7. Two are simple cleanups around the audit thread management code, one adds a tty field to AUDIT_LOGIN events, and the final patch makes tty_name() usable regardless of CONFIG_TTY. Nothing controversial, and it all passes our regression test" * 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit: tty: provide tty_name() even without CONFIG_TTY audit: add tty field to LOGIN event audit: we don't need to __set_current_state(TASK_RUNNING) audit: cleanup prune_tree_thread |