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CONFIG_HOTPLUG is going away as an option so __devinitdata is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devinitdata is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Nothing outside of drivers/tty/tty_io.c references these functions, so
mark them static.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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C files should include the header files that prototype their functions.
This keeps the types in sync, and eliminates warnings from GCC
(-Wmissing-prototypes) and Sparse (-Wdecl).
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I am the one introducing the most potential bugs. And people should
know the urchin to whip.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, the port may be destroyed twice or destroyed without being
initialized. Fix this by sticking the destroy call in the right place
as suggested by Tilman.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: Tilman Schmidt <tilman@imap.cc>
Cc: Hansjoerg Lipp <hjlipp@web.de>
Cc: gigaset307x-common@lists.sourceforge.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Correct spelling typo in staging/dgrp driver
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull KVM fix from Marcelo Tosatti:
"A correction for oops on module init with older Intel hosts."
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Fix invalid secondary exec controls in vmx_cpuid_update()
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (12 patches)
revert "mm: fix-up zone present pages"
tmpfs: change final i_blocks BUG to WARNING
tmpfs: fix shmem_getpage_gfp() VM_BUG_ON
mm: highmem: don't treat PKMAP_ADDR(LAST_PKMAP) as a highmem address
mm: revert "mm: vmscan: scale number of pages reclaimed by reclaim/compaction based on failures"
rapidio: fix kernel-doc warnings
swapfile: fix name leak in swapoff
memcg: fix hotplugged memory zone oops
mips, arc: fix build failure
memcg: oom: fix totalpages calculation for memory.swappiness==0
mm: fix build warning for uninitialized value
mm: add anon_vma_lock to validate_mm()
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Revert commit 7f1290f2f2a4 ("mm: fix-up zone present pages")
That patch tried to fix a issue when calculating zone->present_pages,
but it caused a regression on 32bit systems with HIGHMEM. With that
change, reset_zone_present_pages() resets all zone->present_pages to
zero, and fixup_zone_present_pages() is called to recalculate
zone->present_pages when the boot allocator frees core memory pages into
buddy allocator. Because highmem pages are not freed by bootmem
allocator, all highmem zones' present_pages becomes zero.
Various options for improving the situation are being discussed but for
now, let's return to the 3.6 code.
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Petr Tesarik <ptesarik@suse.cz>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: David Rientjes <rientjes@google.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Under a particular load on one machine, I have hit shmem_evict_inode()'s
BUG_ON(inode->i_blocks), enough times to narrow it down to a particular
race between swapout and eviction.
It comes from the "if (freed > 0)" asymmetry in shmem_recalc_inode(),
and the lack of coherent locking between mapping's nrpages and shmem's
swapped count. There's a window in shmem_writepage(), between lowering
nrpages in shmem_delete_from_page_cache() and then raising swapped
count, when the freed count appears to be +1 when it should be 0, and
then the asymmetry stops it from being corrected with -1 before hitting
the BUG.
One answer is coherent locking: using tree_lock throughout, without
info->lock; reasonable, but the raw_spin_lock in percpu_counter_add() on
used_blocks makes that messier than expected. Another answer may be a
further effort to eliminate the weird shmem_recalc_inode() altogether,
but previous attempts at that failed.
So far undecided, but for now change the BUG_ON to WARN_ON: in usual
circumstances it remains a useful consistency check.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fuzzing with trinity hit the "impossible" VM_BUG_ON(error) (which Fedora
has converted to WARNING) in shmem_getpage_gfp():
WARNING: at mm/shmem.c:1151 shmem_getpage_gfp+0xa5c/0xa70()
Pid: 29795, comm: trinity-child4 Not tainted 3.7.0-rc2+ #49
Call Trace:
warn_slowpath_common+0x7f/0xc0
warn_slowpath_null+0x1a/0x20
shmem_getpage_gfp+0xa5c/0xa70
shmem_fault+0x4f/0xa0
__do_fault+0x71/0x5c0
handle_pte_fault+0x97/0xae0
handle_mm_fault+0x289/0x350
__do_page_fault+0x18e/0x530
do_page_fault+0x2b/0x50
page_fault+0x28/0x30
tracesys+0xe1/0xe6
Thanks to Johannes for pointing to truncation: free_swap_and_cache()
only does a trylock on the page, so the page lock we've held since
before confirming swap is not enough to protect against truncation.
What cleanup is needed in this case? Just delete_from_swap_cache(),
which takes care of the memcg uncharge.
Signed-off-by: Hugh Dickins <hughd@google.com>
Reported-by: Dave Jones <davej@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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kmap_to_page returns the corresponding struct page for a virtual address
of an arbitrary mapping. This works by checking whether the address
falls in the pkmap region and using the pkmap page tables instead of the
linear mapping if appropriate.
Unfortunately, the bounds checking means that PKMAP_ADDR(LAST_PKMAP) is
incorrectly treated as a highmem address and we can end up walking off
the end of pkmap_page_table and subsequently passing junk to pte_page.
This patch fixes the bound check to stay within the pkmap tables.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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reclaim/compaction based on failures"
Jiri Slaby reported the following:
(It's an effective revert of "mm: vmscan: scale number of pages
reclaimed by reclaim/compaction based on failures".) Given kswapd
had hours of runtime in ps/top output yesterday in the morning
and after the revert it's now 2 minutes in sum for the last 24h,
I would say, it's gone.
The intention of the patch in question was to compensate for the loss of
lumpy reclaim. Part of the reason lumpy reclaim worked is because it
aggressively reclaimed pages and this patch was meant to be a sane
compromise.
When compaction fails, it gets deferred and both compaction and
reclaim/compaction is deferred avoid excessive reclaim. However, since
commit c654345924f7 ("mm: remove __GFP_NO_KSWAPD"), kswapd is woken up
each time and continues reclaiming which was not taken into account when
the patch was developed.
Attempts to address the problem ended up just changing the shape of the
problem instead of fixing it. The release window gets closer and while
a THP allocation failing is not a major problem, kswapd chewing up a lot
of CPU is.
This patch reverts commit 83fde0f22872 ("mm: vmscan: scale number of
pages reclaimed by reclaim/compaction based on failures") and will be
revisited in the future.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Cc: Zdenek Kabelac <zkabelac@redhat.com>
Tested-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix rapidio kernel-doc warnings:
Warning(drivers/rapidio/rio.c:415): No description found for parameter 'local'
Warning(drivers/rapidio/rio.c:415): Excess function parameter 'lstart' description in 'rio_map_inb_region'
Warning(include/linux/rio.h:290): No description found for parameter 'switches'
Warning(include/linux/rio.h:290): No description found for parameter 'destid_table'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There's a name leak introduced by commit 91a27b2a7567 ("vfs: define
struct filename and have getname() return it"). Add the missing
putname.
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Xiaotian Feng <dannyfeng@tencent.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When MEMCG is configured on (even when it's disabled by boot option),
when adding or removing a page to/from its lru list, the zone pointer
used for stats updates is nowadays taken from the struct lruvec. (On
many configurations, calculating zone from page is slower.)
But we have no code to update all the lruvecs (per zone, per memcg) when
a memory node is hotadded. Here's an extract from the oops which
results when running numactl to bind a program to a newly onlined node:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000f60
IP: __mod_zone_page_state+0x9/0x60
Pid: 1219, comm: numactl Not tainted 3.6.0-rc5+ #180 Bochs Bochs
Process numactl (pid: 1219, threadinfo ffff880039abc000, task ffff8800383c4ce0)
Call Trace:
__pagevec_lru_add_fn+0xdf/0x140
pagevec_lru_move_fn+0xb1/0x100
__pagevec_lru_add+0x1c/0x30
lru_add_drain_cpu+0xa3/0x130
lru_add_drain+0x2f/0x40
...
The natural solution might be to use a memcg callback whenever memory is
hotadded; but that solution has not been scoped out, and it happens that
we do have an easy location at which to update lruvec->zone. The lruvec
pointer is discovered either by mem_cgroup_zone_lruvec() or by
mem_cgroup_page_lruvec(), and both of those do know the right zone.
So check and set lruvec->zone in those; and remove the inadequate
attempt to set lruvec->zone from lruvec_init(), which is called before
NODE_DATA(node) has been allocated in such cases.
Ah, there was one exceptionr. For no particularly good reason,
mem_cgroup_force_empty_list() has its own code for deciding lruvec.
Change it to use the standard mem_cgroup_zone_lruvec() and
mem_cgroup_get_lru_size() too. In fact it was already safe against such
an oops (the lru lists in danger could only be empty), but we're better
proofed against future changes this way.
I've marked this for stable (3.6) since we introduced the problem in 3.5
(now closed to stable); but I have no idea if this is the only fix
needed to get memory hotadd working with memcg in 3.6, and received no
answer when I enquired twice before.
Reported-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Using a cross-compiler to fix another issue, the following build error
occurred for mips defconfig:
arch/mips/fw/arc/misc.c: In function 'ArcHalt':
arch/mips/fw/arc/misc.c:25:2: error: implicit declaration of function 'local_irq_disable'
Fix it up by including irqflags.h.
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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oom_badness() takes a totalpages argument which says how many pages are
available and it uses it as a base for the score calculation. The value
is calculated by mem_cgroup_get_limit which considers both limit and
total_swap_pages (resp. memsw portion of it).
This is usually correct but since fe35004fbf9e ("mm: avoid swapping out
with swappiness==0") we do not swap when swappiness is 0 which means
that we cannot really use up all the totalpages pages. This in turn
confuses oom score calculation if the memcg limit is much smaller than
the available swap because the used memory (capped by the limit) is
negligible comparing to totalpages so the resulting score is too small
if adj!=0 (typically task with CAP_SYS_ADMIN or non zero oom_score_adj).
A wrong process might be selected as result.
The problem can be worked around by checking mem_cgroup_swappiness==0
and not considering swap at all in such a case.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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do_wp_page() sets mmun_called if mmun_start and mmun_end were
initialized and, if so, may call mmu_notifier_invalidate_range_end()
with these values. This doesn't prevent gcc from emitting a build
warning though:
mm/memory.c: In function `do_wp_page':
mm/memory.c:2530: warning: `mmun_start' may be used uninitialized in this function
mm/memory.c:2531: warning: `mmun_end' may be used uninitialized in this function
It's much easier to initialize the variables to impossible values and do
a simple comparison to determine if they were initialized to remove the
bool entirely.
Signed-off-by: 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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Iterating over the vma->anon_vma_chain without anon_vma_lock may cause
NULL ptr deref in anon_vma_interval_tree_verify(), because the node in the
chain might have been removed.
BUG: unable to handle kernel paging request at fffffffffffffff0
IP: [<ffffffff8122c29c>] anon_vma_interval_tree_verify+0xc/0xa0
PGD 4e28067 PUD 4e29067 PMD 0
Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
CPU 0
Pid: 9050, comm: trinity-child64 Tainted: G W 3.7.0-rc2-next-20121025-sasha-00001-g673f98e-dirty #77
RIP: 0010: anon_vma_interval_tree_verify+0xc/0xa0
Process trinity-child64 (pid: 9050, threadinfo ffff880045f80000, task ffff880048eb0000)
Call Trace:
validate_mm+0x58/0x1e0
vma_adjust+0x635/0x6b0
__split_vma.isra.22+0x161/0x220
split_vma+0x24/0x30
sys_madvise+0x5da/0x7b0
tracesys+0xe1/0xe6
RIP anon_vma_interval_tree_verify+0xc/0xa0
CR2: fffffffffffffff0
Figured out by Bob Liu.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Michel Lespinasse <walken@google.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The commit [ad756a16: KVM: VMX: Implement PCID/INVPCID for guests with
EPT] introduced the unconditional access to SECONDARY_VM_EXEC_CONTROL,
and this triggers kernel warnings like below on old CPUs:
vmwrite error: reg 401e value a0568000 (err 12)
Pid: 13649, comm: qemu-kvm Not tainted 3.7.0-rc4-test2+ #154
Call Trace:
[<ffffffffa0558d86>] vmwrite_error+0x27/0x29 [kvm_intel]
[<ffffffffa054e8cb>] vmcs_writel+0x1b/0x20 [kvm_intel]
[<ffffffffa054f114>] vmx_cpuid_update+0x74/0x170 [kvm_intel]
[<ffffffffa03629b6>] kvm_vcpu_ioctl_set_cpuid2+0x76/0x90 [kvm]
[<ffffffffa0341c67>] kvm_arch_vcpu_ioctl+0xc37/0xed0 [kvm]
[<ffffffff81143f7c>] ? __vunmap+0x9c/0x110
[<ffffffffa0551489>] ? vmx_vcpu_load+0x39/0x1a0 [kvm_intel]
[<ffffffffa0340ee2>] ? kvm_arch_vcpu_load+0x52/0x1a0 [kvm]
[<ffffffffa032dcd4>] ? vcpu_load+0x74/0xd0 [kvm]
[<ffffffffa032deb0>] kvm_vcpu_ioctl+0x110/0x5e0 [kvm]
[<ffffffffa032e93d>] ? kvm_dev_ioctl+0x4d/0x4a0 [kvm]
[<ffffffff8117dc6f>] do_vfs_ioctl+0x8f/0x530
[<ffffffff81139d76>] ? remove_vma+0x56/0x60
[<ffffffff8113b708>] ? do_munmap+0x328/0x400
[<ffffffff81187c8c>] ? fget_light+0x4c/0x100
[<ffffffff8117e1a1>] sys_ioctl+0x91/0xb0
[<ffffffff815a942d>] system_call_fastpath+0x1a/0x1f
This patch adds a check for the availability of secondary exec
control to avoid these warnings.
Cc: <stable@vger.kernel.org> [v3.6+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Pull networking updates from David Miller:
1) tx_filtered/ps_tx_buf queues need to be accessed with the SKB queue
lock, from Arik Nemtsov.
2) Don't call 802.11 driver's filter configure method until it's
actually open, from Felix Fietkau.
3) Use ieee80211_free_txskb otherwise we leak control information.
From Johannes Berg.
4) Fix memory leak in bluetooth UUID removal,f rom Johan Hedberg.
5) The shift mask trick doesn't work properly when 'optname' is out of
range in do_ip_setsockopt(). Use a straightforward switch statement
instead, the compiler emits essentially the same code but without
the missing range check. From Xi Wang.
6) Fix when we call tcp_replace_ts_recent() otherwise we can
erroneously accept a too-high tsval. From Eric Dumazet.
7) VXLAN bug fixes, mostly to do with VLAN header length handling, from
Alexander Duyck.
8) Missing return value initialization for IPV6_MINHOPCOUNT socket
option handling. From Hannes Frederic.
9) Fix regression in tasklet handling in jme/ksz884x/xilinx drivers,
from Xiaotian Feng.
10) At smsc911x driver init time, we don't know if the chip is in word
swap mode or not. However we do need to wait for the control
register's ready bit to be set before we program any other part of
the chip. Adjust the wait loop to account for this. From Kamlakant
Patel.
11) Revert erroneous MDIO bus unregister change to mdio-bitbang.c
12) Fix memory leak in /proc/net/sctp/, from Tommi Rantala.
13) tilegx driver registers IRQ with NULL name, oops, from Simon Marchi.
14) TCP metrics hash table kzalloc() based allocation can fail, back
down to using vmalloc() if it does. From Eric Dumazet.
15) Fix packet steering out-of-order delivery regression, from Tom
Herbert.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
net-rps: Fix brokeness causing OOO packets
tcp: handle tcp_net_metrics_init() order-5 memory allocation failures
batman-adv: process broadcast packets in BLA earlier
batman-adv: don't add TEMP clients belonging to other backbone nodes
batman-adv: correctly pass the client flag on tt_response
batman-adv: fix tt_global_entries flags update
tilegx: request_irq with a non-null device name
net: correct check in dev_addr_del()
tcp: fix retransmission in repair mode
sctp: fix /proc/net/sctp/ memory leak
Revert "drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free"
net/smsc911x: Fix ready check in cases where WORD_SWAP is needed
drivers/net: fix tasklet misuse issue
ipv4/ip_vti.c: VTI fix post-decryption forwarding
brcmfmac: fix typo in CONFIG_BRCMISCAN
vxlan: Update hard_header_len based on lowerdev when instantiating VXLAN
vxlan: fix a typo.
ipv6: setsockopt(IPIPPROTO_IPV6, IPV6_MINHOPCOUNT) forgot to set return value
doc/net: Fix typo in netdev-features.txt
vxlan: Fix error that was resulting in VXLAN MTU size being 10 bytes too large
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
This batch of fixes is intended for the 3.7 stream...
This includes a pull of the Bluetooth tree. Gustavo says:
"A few important fixes to go into 3.7. There is a new hw support by Marcos
Chaparro. Johan added a memory leak fix and hci device index list fix.
Also Marcel fixed a race condition in the device set up that was prevent the
bt monitor to work properly. Last, Paulo Sérgio added a fix to the error
status when pairing for LE fails. This was prevent userspace to work to handle
the failure properly."
Regarding the mac80211 pull, Johannes says:
"I have a locking fix for some SKB queues, a variable initialization to
avoid crashes in a certain failure case, another free_txskb fix from
Felix and another fix from him to avoid calling a stopped driver, a fix
for a (very unlikely) memory leak and a fix to not send null data
packets when resuming while not associated."
Regarding the iwlwifi pull, Johannes says:
"Two more fixes for iwlwifi ... one to use ieee80211_free_txskb(), and
one to check DMA mapping errors, please pull."
On top of that, Johannes also included a wireless regulatory fix
to allow 40 MHz on channels 12 and 13 in world roaming mode. Also,
Hauke Mehrtens fixes a #ifdef typo in brcmfmac.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit c445477d74ab3779 which adds aRFS to the kernel, the CPU
selected for RFS is not set correctly when CPU is changing.
This is causing OOO packets and probably other issues.
Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Included fixes are:
- update the client entry status flags when using the "early client
detection". This makes the Distributed AP isolation correctly work;
- transfer the client entry status flags when recovering the translation
table from another node. This makes the Distributed AP isolation correctly
work;
- prevent the "early client detection mechanism" to add clients belonging to
other backbone nodes in the same LAN. This breaks connectivity when using this
mechanism together with the Bridge Loop Avoidance
- process broadcast packets with the Bridge Loop Avoidance before any other
component. BLA can possibly drop the packets based on the source address. This
makes the "early client detection mechanism" correctly work when used with
BLA.
Signed-off-by: David S. Miller <davem@davemloft.net>
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order-5 allocations can fail with current kernels, we should
try vmalloc() as well.
Reported-by: Julien Tinnes <jln@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All the changes made to the generic thermal layer, or platform thermal
drivers that make use of the thermal layer, should be sent to
linux-pm@vger.kernel.org for discussion.
And as the maintainer, I will only apply the patches that have been sent
to linux-pm@vger.kernel.org.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is mostly a revert of 01dc52ebdf47 ("oom: remove deprecated oom_adj")
from Davidlohr Bueso.
It reintroduces /proc/pid/oom_adj for backwards compatibility with earlier
kernels. It simply scales the value linearly when /proc/pid/oom_score_adj
is written.
The major difference is that its scheduled removal is no longer included
in Documentation/feature-removal-schedule.txt. We do warn users with a
single printk, though, to suggest the more powerful and supported
/proc/pid/oom_score_adj interface.
Reported-by: Artem S. Tashkinov <t.artem@lycos.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We've been sitting on this longer than we meant to due to travel and
other activities, but the number of patches is luckily not that high.
Biggest changes are from a batch of OMAP bugfixes, but there are a few
for the broader set of SoCs too (bcm2835, pxa, highbank, tegra, at91
and i.MX).
The OMAP patches contain some fixes for MUSB/PHY on omap4 which ends
up being a bit on the large side but needed for legacy (non-DT)
platforms. Beyond that there are a handful of hwmod/pm changes.
So, fairly noncontroversial stuff all in all, and as usual around this
time the fixes are well targeted at specific problems."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: imx: ehci: fix host power mask bit
ARM i.MX: fix error-valued pointer dereference in clk_register_gate2()
ARM: at91/usbh: fix overcurrent gpio setup
ARM: at91/AT91SAM9G45: fix crypto peripherals irq issue due to sparse irq support
ARM: boot: Fix usage of kecho
ARM: OMAP: ocp2scp: create omap device for ocp2scp
ARM: OMAP4: add _dev_attr_ to ocp2scp for representing usb_phy
drivers: bus: ocp2scp: add pdata support
irqchip: irq-bcm2835: Add terminating entry for of_device_id table
ARM: highbank: retry wfi on reset request
ARM: OMAP4: PM: fix regulator name for VDD_MPU
ARM: OMAP4: hwmod data: do not enable or reset the McPDM during kernel init
ARM: OMAP2+: hwmod: add flag to prevent hwmod code from touching IP block during init
ARM: dt: tegra: fix length of pad control and mux registers
ARM: OMAP: hwmod: wait for sysreset complete after enabling hwmod
ARM: OMAP2+: clockdomain: Fix OMAP4 ISS clk domain to support only SWSUP
ARM: pxa/spitz_pm: Fix hang when resuming from STR
ARM: pxa: hx4700: Fix backlight PWM device number
ARM: OMAP2+: PM: add missing newline to VC warning message
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 bugfix from Catalin Marinas:
"Arm64 page permission bug fix.
Without this fix, the CPU speculatively accesses the interrupt
controller memory causing random IRQ acknowledge."
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: Distinguish between user and kernel XN bits
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fix from Jiri Kosina:
"This has a build fix for architectures where memcmp() is macro, from
Jiri Slaby"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: microsoft: do not use compound literal - fix build
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On AArch64, the meaning of the XN bit has changed to UXN (user). The PXN
(privileged) bit must be set to prevent kernel execution. Without the
PXN bit set, the CPU may speculatively access device memory. This patch
ensures that all the mappings that the kernel must not execute from
(including user mappings) have the PXN bit set.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some USB fixes for the 3.7 tree.
Nothing huge here, just a number of tiny bugfixes resolving issues
that have been found, and two reverts of patches that were found to
have caused problems.
All of these have been in linux-next already.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "USB/host: Cleanup unneccessary irq disable code"
USB: option: add Alcatel X220/X500D USB IDs
USB: option: add Novatel E362 and Dell Wireless 5800 USB IDs
USB: keyspan: fix typo causing GPF on open
USB: fix build with XEN and EARLY_PRINTK_DBGP enabled but USB_SUPPORT disabled
USB: usb_wwan: fix bulk-urb allocation
usb: otg: Fix build errors if USB_MUSB_OMAP2PLUS is selected as module
usb: musb: ux500: fix 'musbid' undeclared error in ux500_remove()
Revert "usb: musb: use DMA mode 1 whenever possible"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY fixes from Greg Kroah-Hartman:
"Here are two TTY driver fixes for 3.7-rc5.
They resolve a bug in the hvc driver that has been reported, and fix a
problem with the list of device ids in the max310x serial driver.
Both have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: max310x: Add terminating entry for spi_device_id table
TTY: hvc_console, fix port reference count going to zero prematurely
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fix from Greg Kroah-Hartman:
"Here is a single patch, a revert of an android driver patch, that
resolves a bug that has been reported in the Android alarm driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Revert "Staging: Android alarm: IOCTL command encoding fix"
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From Nicolas Ferre <nicolas.ferre@atmel.com>:
Two little fixes, one related to the move to sparse irq and
another one fixing the check of a GPIO for USB host overcurrent.
* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
ARM: at91/usbh: fix overcurrent gpio setup
ARM: at91/AT91SAM9G45: fix crypto peripherals irq issue due to sparse irq support
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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fixes
From Sascha Hauer <s.hauer@pengutronix.de>:
ARM i.MX fixes for 3.7-rc
* tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx: ehci: fix host power mask bit
ARM i.MX: fix error-valued pointer dereference in clk_register_gate2()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 patches from Martin Schwidefsky:
"Some more bug fixes and a config change.
The signal bug is nasty, if the clock_gettime vdso function is
interrupted by a signal while in access-register-mode we end up with
an endless signal loop until the signal stack is full. The config
change is for aligned struct pages, gives us 8% improvement with
hackbench."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/3215: fix tty close handling
s390/mm: have 16 byte aligned struct pages
s390/gup: fix access_ok() usage in __get_user_pages_fast()
s390/gup: add missing TASK_SIZE check to get_user_pages_fast()
s390/topology: fix core id vs physical package id mix-up
s390/signal: set correct address space control
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Pull drm fixes from Dave Airlie:
"All pretty normal: one TTM oops fix, one radeon, a few intel and a
vmwgfx fix."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/ttm: remove unneeded preempt_disable/enable
ttm: Clear the ttm page allocated from high memory zone correctly
vmwgfx: return an -EFAULT if copy_to_user() fails
drm/radeon: fix logic error in atombios_encoders.c
drm/i915: do not ignore eDP bpc settings from vbt
drm/i915/sdvo: clean up connectors on intel_sdvo_init() failures
drm/i915/crt: fix DPMS standby and suspend mode handling
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Pull another clk layer fix from Michael Turquette:
"GCC 4.7 users get compilation errors from unnecessary use of inline in
clk-provider.h. This pull request fixes the regression by removing
inline usage from those function declarations."
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: remove inline usage from clk-provider.h
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I ported the driver supplied by SystemBase to mainline.
As the driver had MODULE_LICENSE("GPL") it is declared as a GPL module
and thus I have the right to distribute it upstream. Note, I did the
bare minimum to get it working. It still needs a lot of loving.
Cc: hjchoi <hjchoi@sysbas.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch sets HPM (Host power mask bit) to bit 16 according to i.MX
Reference Manual. Falsely it was set to bit 8, but this controls pull-up
Impedance.
Reported-by: Michael Burkey <mdburkey@gmail.com>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The error-valued pointer clk is used for the arg of kfree, it should be
kfree(gate) if clk_register() return ERR_PTR().
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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