Using a static const struct definition as part of a series of
declarations produces a false positive "Missing a blank line after
declarations" for code like:
WARNING: Missing a blank line after declarations
#710: FILE: drivers/gpu/drm/tidss/tidss_scale_coefs.c:137:
+ int inc;
+ static const struct {
So fix it.
Link: http://lkml.kernel.org/r/5905126e70b0ed1781e49265fd5c49c5090d0223.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Jyri Sarha <jsarha@ti.com>
Cc: "Valkeinen, Tomi" <tomi.valkeinen@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When getting rid of the general ipc_lock(), this was missed furthermore,
making the comment around the ipc object validity check bogus. Under
EIDRM conditions, callers will in turn not see the error and continue
with the operation.
Link: http://lkml.kernel.org/r/20180824030920.GD3677@linux-r8p5
Link: http://lkml.kernel.org/r/20180823024051.GC13343@shao2-debian
Fixes: 82061c57ce ("ipc: drop ipc_lock()")
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When scanning for movable pages, filter out Hugetlb pages if hugepage
migration is not supported. Without this we hit infinte loop in
__offline_pages() where we do
pfn = scan_movable_pages(start_pfn, end_pfn);
if (pfn) { /* We have movable pages */
ret = do_migrate_range(pfn, end_pfn);
goto repeat;
}
Fix this by checking hugepage_migration_supported both in
has_unmovable_pages which is the primary backoff mechanism for page
offlining and for consistency reasons also into scan_movable_pages
because it doesn't make any sense to return a pfn to non-migrateable
huge page.
This issue was revealed by, but not caused by 72b39cfc4d ("mm,
memory_hotplug: do not fail offlining too early").
Link: http://lkml.kernel.org/r/20180824063314.21981-1-aneesh.kumar@linux.ibm.com
Fixes: 72b39cfc4d ("mm, memory_hotplug: do not fail offlining too early")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reported-by: Haren Myneni <haren@linux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Scooped from an email from Matthew.
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
debugfs_known_mountpoints[] is not used any more, so let's remove it.
Link: http://lkml.kernel.org/r/1535102651-19418-1-git-send-email-n-horiguchi@ah.jp.nec.com
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently we get the following compiler warning:
slabinfo.c:854:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (s->object_size < min_objsize)
^
due to the mismatch of signed/unsigned comparison. ->object_size and
->slab_size are never expected to be negative, so let's define them as
unsigned int.
[n-horiguchi@ah.jp.nec.com: convert everything - none of these can be negative]
Link: http://lkml.kernel.org/r/20180826234947.GA9787@hori1.linux.bs1.fc.nec.co.jp
Link: http://lkml.kernel.org/r/1535103134-20239-1-git-send-email-n-horiguchi@ah.jp.nec.com
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If kmemleak built in to the kernel, but is disabled by default, the
debugfs file is never registered. Because of this, it is not possible
to find out if the kernel is built with kmemleak support by checking for
the presence of this file. To allow this, always register the file.
After this patch, if the file doesn't exist, kmemleak is not available
in the kernel. If writing "scan" or any other value than "clear" to
this file results in EBUSY, then kmemleak is available but is disabled
by default and can be activated via the kernel command line.
Catalin: "that's also consistent with a late disabling of kmemleak when
the debugfs entry sticks around."
Link: http://lkml.kernel.org/r/20180824131220.19176-1-vincent.whitchurch@axis.com
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit d70f2a14b7 ("include/linux/sched/mm.h: uninline mmdrop_async(),
etc") ignored the return value of arch_dup_mmap(). As a result, on x86,
a failure to duplicate the LDT (e.g. due to memory allocation error)
would leave the duplicated memory mapping in an inconsistent state.
Fix by using the return value, as it was before the change.
Link: http://lkml.kernel.org/r/20180823051229.211856-1-namit@vmware.com
Fixes: d70f2a14b7 ("include/linux/sched/mm.h: uninline mmdrop_async(), etc")
Signed-off-by: Nadav Amit <namit@vmware.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 93065ac753 ("mm, oom: distinguish blockable mode for mmu
notifiers") has added an ability to skip over vmas with blockable mmu
notifiers. This however didn't call tlb_finish_mmu as it should.
As a result inc_tlb_flush_pending has been called without its pairing
dec_tlb_flush_pending and all callers mm_tlb_flush_pending would flush
even though this is not really needed. This alone is not harmful and it
seems there shouldn't be any such callers for oom victims at all but
there is no real reason to skip tlb_finish_mmu on early skip either so
call it.
[mhocko@suse.com: new changelog]
Link: http://lkml.kernel.org/r/b752d1d5-81ad-7a35-2394-7870641be51c@i-love.sakura.ne.jp
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the memcg OOM killer runs out of killable tasks, it currently
prints a WARN with no further OOM context. This has caused some user
confusion.
Warnings indicate a kernel problem. In a reported case, however, the
situation was triggered by a nonsensical memcg configuration (hard limit
set to 0). But without any VM context this wasn't obvious from the
report, and it took some back and forth on the mailing list to identify
what is actually a trivial issue.
Handle this OOM condition like we handle it in the global OOM killer:
dump the full OOM context and tell the user we ran out of tasks.
This way the user can identify misconfigurations easily by themselves
and rectify the problem - without having to go through the hassle of
running into an obscure but unsettling warning, finding the appropriate
kernel mailing list and waiting for a kernel developer to remote-analyze
that the memcg configuration caused this.
If users cannot make sense of why the OOM killer was triggered or why it
failed, they will still report it to the mailing list, we know that from
experience. So in case there is an actual kernel bug causing this,
kernel developers will very likely hear about it.
Link: http://lkml.kernel.org/r/20180821160406.22578-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
__GFP_HIGHMEM flag is cleared by upper layer functions
(in include/linux/dma-mapping.h) so we'll never get a
__GFP_HIGHMEM flag in arch_dma_alloc gfp argument.
That's why alloc_pages will never return highmem page
here.
Get rid of highmem pages handling and cleanup arch_dma_alloc
and arch_dma_free functions.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
So far the IOC treatment was global on ARC, being turned on (or off)
for all devices in the system. With this patch, this can now be done
per device using the "dma-coherent" DT property; IOW with this patch
we can use both HW-coherent and regular DMA peripherals simultaneously.
The changes involved are too many so enlisting the summary below:
1. common code calls ARC arch_setup_dma_ops() per device.
2. For coherent dma (IOC) it plugs in generic @dma_direct_ops which
doesn't need any arch specific backend: No need for any explicit
cache flushes or MMU mappings to provide for uncached access
- dma_(map|sync)_single* return early as corresponding dma ops callbacks
are NULL in generic code.
So arch_sync_dma_*() -> dma_cache_*() need not handle the coherent
dma case, hence drop ARC __dma_cache_*_ioc() which were no-op anyways
3. For noncoherent dma (non IOC) generic @dma_noncoherent_ops is used
which in turns calls ARC specific routines
- arch_dma_alloc() no longer checks for @ioc_enable since this is
called only for !IOC case.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[vgupta: rewrote changelog]
Pull networking fixes from David Miller:
1) Must perform TXQ teardown before unregistering interfaces in
mac80211, from Toke Høiland-Jørgensen.
2) Don't allow creating mac80211_hwsim with less than one channel, from
Johannes Berg.
3) Division by zero in cfg80211, fix from Johannes Berg.
4) Fix endian issue in tipc, from Haiqing Bai.
5) BPF sockmap use-after-free fixes from Daniel Borkmann.
6) Spectre-v1 in mac80211_hwsim, from Jinbum Park.
7) Missing rhashtable_walk_exit() in tipc, from Cong Wang.
8) Revert kvzalloc() conversion of AF_PACKET, it breaks mmap() when
kvzalloc() tries to use kmalloc() pages. From Eric Dumazet.
9) Fix deadlock in hv_netvsc, from Dexuan Cui.
10) Do not restart timewait timer on RST, from Florian Westphal.
11) Fix double lwstate refcount grab in ipv6, from Alexey Kodanev.
12) Unsolicit report count handling is off-by-one, fix from Hangbin Liu.
13) Sleep-in-atomic in cadence driver, from Jia-Ju Bai.
14) Respect ttl-inherit in ip6 tunnel driver, from Hangbin Liu.
15) Use-after-free in act_ife, fix from Cong Wang.
16) Missing hold to meta module in act_ife, from Vlad Buslov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (91 commits)
net: phy: sfp: Handle unimplemented hwmon limits and alarms
net: sched: action_ife: take reference to meta module
act_ife: fix a potential use-after-free
net/mlx5: Fix SQ offset in QPs with small RQ
tipc: correct spelling errors for tipc_topsrv_queue_evt() comments
tipc: correct spelling errors for struct tipc_bc_base's comment
bnxt_en: Do not adjust max_cp_rings by the ones used by RDMA.
bnxt_en: Clean up unused functions.
bnxt_en: Fix firmware signaled resource change logic in open.
sctp: not traverse asoc trans list if non-ipv6 trans exists for ipv6_flowlabel
sctp: fix invalid reference to the index variable of the iterator
net/ibm/emac: wrong emac_calc_base call was used by typo
net: sched: null actions array pointer before releasing action
vhost: fix VHOST_GET_BACKEND_FEATURES ioctl request definition
r8169: add support for NCube 8168 network card
ip6_tunnel: respect ttl inherit for ip6tnl
mac80211: shorten the IBSS debug messages
mac80211: don't Tx a deauth frame if the AP forbade Tx
mac80211: Fix station bandwidth setting after channel switch
mac80211: fix a race between restart and CSA flows
...
Not all SFPs implement the registers containing sensor limits and
alarms. Luckily, there is a bit indicating if they are implemented or
not. Add checking for this bit, when deciding if the hwmon attributes
should be visible.
Fixes: 1323061a01 ("net: phy: sfp: Add HWMON support for module sensors")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Immediately after module_put(), user could delete this
module, so e->ops could be already freed before we call
e->ops->release().
Fix this by moving module_put() after ops->release().
Fixes: ef6980b6be ("introduce IFE action")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correct the formula for calculating the RQ page remainder,
which should be in byte granularity. The result will be
non-zero only for RQs smaller than PAGE_SIZE, as an RQ size
is a power of 2.
Divide this by the SQ stride (MLX5_SEND_WQE_BB) to get the
SQ offset in strides granularity.
Fixes: d7037ad73d ("net/mlx5: Fix QP fragmented buffer allocation")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Two small fixes for KVM on POWER machines; one fixes a bug where pages
might not get marked dirty, causing guest memory corruption on migration,
and the other fixes a bug causing reads from guest memory to use the
wrong guest real address for very large HPT guests (>256G of memory),
leading to failures in instruction emulation.
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Merge tag 'kvm-ppc-fixes-4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
PPC KVM fixes for 4.19
Two small fixes for KVM on POWER machines; one fixes a bug where pages
might not get marked dirty, causing guest memory corruption on migration,
and the other fixes a bug causing reads from guest memory to use the
wrong guest real address for very large HPT guests (>256G of memory),
leading to failures in instruction emulation.
syzbot reports a divide-by-zero off the NBD_SET_BLKSIZE ioctl.
We need proper validation of the input here. Not just if it's
zero, but also if the value is a power-of-2 and in a valid
range. Add that.
Cc: stable@vger.kernel.org
Reported-by: syzbot <syzbot+25dbecbec1e62c6b0dd4@syzkaller.appspotmail.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
DNV's iTCO is slightly different with SMBCTRL sitting at a different
offset when compared to all other devices. Let's fix so that we can
properly use iTCO watchdog.
Fixes: 84d7f2ebd7 ("i2c: i801: Add support for Intel DNV")
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
We have to do down_write on the mm semaphore to set a bitfield in the
mm context.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Fixes: a4499382 ("KVM: s390: Add huge page enablement control")
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Copy the key mask to the right offset inside the shadow CRYCB
Fixes: bbeaa58b3 ("KVM: s390: vsie: support aes dea wrapping keys")
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Cc: stable@vger.kernel.org # v4.8+
Message-Id: <1535019956-23539-2-git-send-email-pmorel@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
We should not return with a lock.
We also have to increase the address when we do page clearing.
Fixes: bd096f6443 ("KVM: s390: Add skey emulation fault handling")
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-Id: <20180830081355.59234-1-frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
It shall be removed in the define usage. We shall not put a semicolon there.
/kisskb/src/arch/nds32/include/asm/elf.h:126:29: error: expected '}' before ';' token
#define ELF_DATA ELFDATA2LSB;
^
/kisskb/src/fs/proc/kcore.c:318:17: note: in expansion of macro 'ELF_DATA'
[EI_DATA] = ELF_DATA,
^~~~~~~~
/kisskb/src/fs/proc/kcore.c:312:15: note: to match this '{'
.e_ident = {
^
/kisskb/src/scripts/Makefile.build:307: recipe for target 'fs/proc/kcore.o' failed
Signed-off-by: Greentime Hu <greentime@andestech.com>
It may print too much information sometimes if the stack is wrong or
too big. This patch can limit the debug information in a page of stack.
Signed-off-by: Greentime Hu <greentime@andestech.com>
Use macro to replace the magic number.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
We are not using NDS32 ABI 2 for now, just remove the preprocessor
directives __NDS32_ABI_2.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Function graph tracer has modified the return address to
'return_to_handler' on stack, and provide the 'ftrace_graph_ret_addr' to
get the real return address.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This patch contains the implementation of dynamic function graph tracer.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This patch contains the implementation of dynamic function tracer.
The mcount call is composed of three instructions, so there are three
nop for enough placeholder.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Recognize NDS32 object files in recordmcount.pl.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This patch contains implementation of static function graph tracer.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This patch support the static function tracer. On nds32 ABI, we need to
always push return address to stack for __builtin_return_address can
work correctly, otherwise, it will get the wrong value of $lp at leaf
function.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
1. Adjust indentation.
2. Unify argument name of each macro.
3. Add space after comma in parameters list.
4. Add space after 'if' keyword.
5. Replace space by tab.
6. Change asm volatile to __asm__ __volatile__
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
The pointer argument of macro need to be taken out once first, and then
use the new pointer in the macro body.
In kernel/trace/trace.c, get_user(ch, ubuf++) causes the unexpected
increment after expand the macro.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
The compiler predefined macro 'NDS32_ABI_2' had been removed, it should
use the '__NDS32_ABI_2' here.
Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Make sure of_device_id tables are NULL terminated.
Found by coccinelle spatch "misc/of_table.cocci"
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
This bug is report by Dan Carpenter. We shall use ~loc_mask instead of
!loc_mask because we need to and(&) the bits of ~loc_mask.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: c9a4a8da6b ("nds32: Loadable modules")
Signed-off-by: Greentime Hu <greentime@andestech.com>
* various A-MSDU building fixes (currently only affects mt76)
* syzkaller & spectre fixes in hwsim
* TXQ vs. teardown fix that was causing crashes
* embed WMM info in reg rule, bad code here had been causing crashes
* one compilation issue with fix from Arnd (rfkill-gpio includes)
* fixes for a race and bad data during/after channel switch
* nl80211: a validation fix, attribute type & unit fixes
along with other small fixes.
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Merge tag 'mac80211-for-davem-2018-09-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Here are quite a large number of fixes, notably:
* various A-MSDU building fixes (currently only affects mt76)
* syzkaller & spectre fixes in hwsim
* TXQ vs. teardown fix that was causing crashes
* embed WMM info in reg rule, bad code here had been causing crashes
* one compilation issue with fix from Arnd (rfkill-gpio includes)
* fixes for a race and bad data during/after channel switch
* nl80211: a validation fix, attribute type & unit fixes
along with other small fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Trivial fix for two spelling mistakes.
Signed-off-by: Zhenbo Gao <zhenbo.gao@windriver.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: Bug fixes.
This short series fixes resource related logic in the driver, mostly
affecting the RDMA driver under corner cases.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the driver adjusts the bp->hw_resc.max_cp_rings by the number
of MSIX vectors used by RDMA. There is one code path in open that needs
to check the true max_cp_rings including any used by RDMA. This code
is now checking for the reduced max_cp_rings which will fail when the
number of cp rings is very small.
To fix this in a clean way, we don't adjust max_cp_rings anymore.
Instead, we add a helper bnxt_get_max_func_cp_rings_for_en() to get the
reduced max_cp_rings when appropriate.
Fixes: ec86f14ea5 ("bnxt_en: Add ULP calls to stop and restart IRQs.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove unused bnxt_subtract_ulp_resources(). Change
bnxt_get_max_func_irqs() to static since it is only locally used.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the driver detects that resources have changed during open, it
should reset the rx and tx rings to 0. This will properly setup the
init sequence to initialize the default rings again. We also need
to signal the RDMA driver to stop and clear its interrupts. We then
call the RoCE driver to restart if a new set of default rings is
successfully reserved.
Fixes: 25e1acd6b9 ("bnxt_en: Notify firmware about IF state changes.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Xin Long says:
====================
sctp: two fixes for spp_ipv6_flowlabel and spp_dscp sockopts
This patchset fixes two problems in sctp_apply_peer_addr_params()
when setting spp_ipv6_flowlabel or spp_dscp.
====================
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When users set params.spp_address and get a trans, ipv6_flowlabel flag
should be applied into this trans. But even if this one is not an ipv6
trans, it should not go to apply it into all other transes of the asoc
but simply ignore it.
Fixes: 0b0dce7a36 ("sctp: add spp_ipv6_flowlabel and spp_dscp for sctp_paddrparams")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
