mirror of https://gitee.com/openkylin/linux.git
59992 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Linus Torvalds
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b7bc9e7d80 |
Oleg Nesterov has been working hard in closing all the holes that can
lead to race conditions between deleting an event and accessing an event debugfs file. This included a fix to the debugfs system (acked by Greg Kroah-Hartman). We think that all the holes have been patched and hopefully we don't find more. I haven't marked all of them for stable because I need to examine them more to figure out how far back some of the changes need to go. Along the way, some other fixes have been made. Alexander Z Lam fixed some logic where the wrong buffer was being modifed. Andrew Vagin found a possible corruption for machines that actually allocate cpumask, as a reference to one was being zeroed out by mistake. Dhaval Giani found a bad prototype when tracing is not configured. And I not only had some changes to help Oleg, but also finally fixed a long standing bug that Dave Jones and others have been hitting, where a module unload and reload can cause the function tracing accounting to get screwed up. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQEcBAABAgAGBQJR/7FvAAoJEOdOSU1xswtMCAgH/RpxS5mQcQnhrGfu1qnSk+3v CyL1X9IkvgP5f+N59tbU3ZuE8Q3YQvTII35na38fgbHbwWrhYjLSvlf3Pwtre8zr Rjm9b8zA6iSobHu3DyuuupzMsLE+SpBakVSmG6mi8izZyuCi0YHMZMnHTGNnW9Vv YFqkfGgQQWMqiUHLcueetOqWAjR2JiJaLfr47rsRLNflF6dB2MbG/7YbYJ0TBk7E hemVmR7JH7606eJZ6nR7bh/hYv0sL2SSqVVaOHO5nWFLFbI8CybpNVGcoD+nihZY M7LrZT1C1mn3nKrfDhyXy4dwwx6wBON0fY23eJTHMVNnc0tvY1xqH52vTdPILWg= =UfsE -----END PGP SIGNATURE----- Merge tag 'trace-fixes-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Oleg Nesterov has been working hard in closing all the holes that can lead to race conditions between deleting an event and accessing an event debugfs file. This included a fix to the debugfs system (acked by Greg Kroah-Hartman). We think that all the holes have been patched and hopefully we don't find more. I haven't marked all of them for stable because I need to examine them more to figure out how far back some of the changes need to go. Along the way, some other fixes have been made. Alexander Z Lam fixed some logic where the wrong buffer was being modifed. Andrew Vagin found a possible corruption for machines that actually allocate cpumask, as a reference to one was being zeroed out by mistake. Dhaval Giani found a bad prototype when tracing is not configured. And I not only had some changes to help Oleg, but also finally fixed a long standing bug that Dave Jones and others have been hitting, where a module unload and reload can cause the function tracing accounting to get screwed up" * tag 'trace-fixes-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix reset of time stamps during trace_clock changes tracing: Make TRACE_ITER_STOP_ON_FREE stop the correct buffer tracing: Fix trace_dump_stack() proto when CONFIG_TRACING is not set tracing: Fix fields of struct trace_iterator that are zeroed by mistake tracing/uprobes: Fail to unregister if probe event files are in use tracing/kprobes: Fail to unregister if probe event files are in use tracing: Add comment to describe special break case in probe_remove_event_call() tracing: trace_remove_event_call() should fail if call/file is in use debugfs: debugfs_remove_recursive() must not rely on list_empty(d_subdirs) ftrace: Check module functions being traced on reload ftrace: Consolidate some duplicate code for updating ftrace ops tracing: Change remove_event_file_dir() to clear "d_subdirs"->i_private tracing: Introduce remove_event_file_dir() tracing: Change f_start() to take event_mutex and verify i_private != NULL tracing: Change event_filter_read/write to verify i_private != NULL tracing: Change event_enable/disable_read() to verify i_private != NULL tracing: Turn event/id->i_private into call->event.type |
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Linus Torvalds
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72a67a94bc |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) Don't ignore user initiated wireless regulatory settings on cards
with custom regulatory domains, from Arik Nemtsov.
2) Fix length check of bluetooth information responses, from Jaganath
Kanakkassery.
3) Fix misuse of PTR_ERR in btusb, from Adam Lee.
4) Handle rfkill properly while iwlwifi devices are offline, from
Emmanuel Grumbach.
5) Fix r815x devices DMA'ing to stack buffers, from Hayes Wang.
6) Kernel info leak in ATM packet scheduler, from Dan Carpenter.
7) 8139cp doesn't check for DMA mapping errors, from Neil Horman.
8) Fix bridge multicast code to not snoop when no querier exists,
otherwise mutlicast traffic is lost. From Linus Lüssing.
9) Avoid soft lockups in fib6_run_gc(), from Michal Kubecek.
10) Fix races in automatic address asignment on ipv6, which can result
in incorrect lifetime assignments. From Jiri Benc.
11) Cure build bustage when CONFIG_NET_LL_RX_POLL is not set and rename
it CONFIG_NET_RX_BUSY_POLL to eliminate the last reference to the
original naming of this feature. From Cong Wang.
12) Fix crash in TIPC when server socket creation fails, from Ying Xue.
13) macvlan_changelink() silently succeeds when it shouldn't, from
Michael S Tsirkin.
14) HTB packet scheduler can crash due to sign extension, fix from
Stephen Hemminger.
15) With the cable unplugged, r8169 prints out a message every 10
seconds, make it netif_dbg() instead of netif_warn(). From Peter
Wu.
16) Fix memory leak in rtm_to_ifaddr(), from Daniel Borkmann.
17) sis900 gets spurious TX queue timeouts due to mismanagement of link
carrier state, from Denis Kirjanov.
18) Validate somaxconn sysctl to make sure it fits inside of a u16.
From Roman Gushchin.
19) Fix MAC address filtering on qlcnic, from Shahed Shaikh.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (68 commits)
qlcnic: Fix for flash update failure on 83xx adapter
qlcnic: Fix link speed and duplex display for 83xx adapter
qlcnic: Fix link speed display for 82xx adapter
qlcnic: Fix external loopback test.
qlcnic: Removed adapter series name from warning messages.
qlcnic: Free up memory in error path.
qlcnic: Fix ingress MAC learning
qlcnic: Fix MAC address filter issue on 82xx adapter
net: ethernet: davinci_emac: drop IRQF_DISABLED
netlabel: use domain based selectors when address based selectors are not available
net: check net.core.somaxconn sysctl values
sis900: Fix the tx queue timeout issue
net: rtm_to_ifaddr: free ifa if ifa_cacheinfo processing fails
r8169: remove "PHY reset until link up" log spam
net: ethernet: cpsw: drop IRQF_DISABLED
htb: fix sign extension bug
macvlan: handle set_promiscuity failures
macvlan: better mode validation
tipc: fix oops when creating server socket fails
net: rename CONFIG_NET_LL_RX_POLL to CONFIG_NET_RX_BUSY_POLL
...
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Dhaval Giani
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e67bc51e57 |
tracing: Fix trace_dump_stack() proto when CONFIG_TRACING is not set
When CONFIG_TRACING is not enabled, the stub prototype for trace_dump_stack() is incorrect. It has (void) when it should be (int). Link: http://lkml.kernel.org/r/CAPhKKr_H=ukFnBL4WgDOVT5ay2xeF-Ho+CA0DWZX0E2JW-=vSQ@mail.gmail.com Signed-off-by: Dhaval Giani <dhaval.giani@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Andrew Vagin
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ed5467da0e |
tracing: Fix fields of struct trace_iterator that are zeroed by mistake
tracing_read_pipe zeros all fields bellow "seq". The declaration contains a comment about that, but it doesn't help. The first field is "snapshot", it's true when current open file is snapshot. Looks obvious, that it should not be zeroed. The second field is "started". It was converted from cpumask_t to cpumask_var_t (v2.6.28-4983-g4462344), in other words it was converted from cpumask to pointer on cpumask. Currently the reference on "started" memory is lost after the first read from tracing_read_pipe and a proper object will never be freed. The "started" is never dereferenced for trace_pipe, because trace_pipe can't have the TRACE_FILE_ANNOTATE options. Link: http://lkml.kernel.org/r/1375463803-3085183-1-git-send-email-avagin@openvz.org Cc: stable@vger.kernel.org # 2.6.30 Signed-off-by: Andrew Vagin <avagin@openvz.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Linus Torvalds
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abe0308070 |
InfiniBand/RDMA fixes for 3.11-rc:
- Fixes for the newly merged mlx5 hardware driver - Stack info leak fixes from Dan Carpenter - Fixes for pkey table handling with SR-IOV - A few other small things -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABCAAGBQJR+9nLAAoJEENa44ZhAt0hBPQP/RSRLYaN4k9apw8mOdiQo8hD LDFt/DTSSZz/0/VtCgQoOblqAmsDeHp8Tj/WS7bm1zi8ajBPLmUBuQ9GWza0KDFT BDbhcdndvg6FO47GdyF8KWQrBB/WRfGg1ucqeelqRB1WoMtUnP/bX3umFrn7adNG /W38KNfx+G2/WwQMbUWl7jxJuqS2tGGKBQEvdO0LjsNTfU4LSqI8L9WrLXhwAV4V GXNc3rV1EsLqoHe9IznKGw3Ls02ZuFw7b/+WEVY6PjSf73sqfAm3LJnGO6h9Jd79 CKLr2ev0cadosorMrdL9GdOGZX/gGw0Ub9YBLiRdNNq1aPIHaWzbQbsW2nQHYQ/l bZufcye2A/10LaP9JsX4RaK3mE5dm7jvZKoT5sqX+j6k3KgDuCmBjsGVaWaP+NyZ iqrIcyJxQfB6Cpm2vELrBeCusvVv9/Z5v4yeMQYhnAdVSEsqFEmE200Udnm3viiq sHtSe9fN7fkN7aB+immIlrOV1tMZARwbJ6yz/3Gw4gu6O8Yfjo74dIiu0m2feiUl tNlzPzPiIPx1PTEmjTKAKtuauTxHNVxp7yQS8IJLzmtU9BmYmau11CLI08e1gnce HY7hMfeq65pxbNu4pcn6V7HUmU4u6kUeQkygzi+f6w6FMLH5CWbF0Hw7Ly7wpSNL g56DkcamFKr86ex/J80z =ZwEX -----END PGP SIGNATURE----- Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Pull infiniband/rdma fixes from Roland Dreier: - Fixes for the newly merged mlx5 hardware driver - Stack info leak fixes from Dan Carpenter - Fixes for pkey table handling with SR-IOV - A few other small things * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IPoIB: Fix pkey change flow for virtualization environments IPoIB: Make sure child devices use valid/proper pkeys IB/core: Create QP1 using the pkey index which contains the default pkey mlx5_core: Variable may be used uninitialized mlx5_core: Implement new initialization sequence mlx5_core: Fix use after free in mlx5_cmd_comp_handler() IB/mlx5: Fix stack info leak in mlx5_ib_alloc_ucontext() IB/mlx5: Fix error return code in init_one() IB/mlx4: Use default pkey when creating tunnel QPs RDMA/cma: Only call cma_save_ib_info() for CM REQs RDMA/cma: Fix accessing invalid private data for UD RDMA/cma: Fix gcc warning Revert "RDMA/nes: Fix compilation error when nes_debug is enabled" IB/qib: Add err_decode() call for ring dump RDMA/cxgb3: Fix stack info leak in iwch_create_cq() RDMA/nes: Fix info leaks in nes_create_qp() and nes_create_cq() RDMA/ocrdma: Fix several stack info leaks RDMA/cxgb4: Fix stack info leak in c4iw_create_qp() RDMA/ocrdma: Remove unused include |
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Linus Torvalds
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1fe0135b9e |
ACPI and power management fixes for 3.11-rc4
- Revert two cpuidle commits added during the 3.8 development cycle that turn out to have introduced a significant performance regression as requested by Jeremy Eder. - The recent patches that made the freezer less heavy-weight introduced a regression causing user-space-driven hibernation using the ioctl() interface to block indefinitely when the hibernate process executes try_to_freeze(). Fix from Colin Cross addresses this by adding a process flag to mark the hibernate/suspend process to inform the freezer that that process should be ignored. - One of the recent cpufreq reverts uncovered a problem in the core causing the cpufreq driver module refcount to become negative after a system suspend-resume cycle. Fix from Rafael J Wysocki. - The evaluation of the ACPI battery _BIX method has never worked correctly, because the commit that added support for it forgot to take the "Revision" field in the return package into account. As a result, the reading of battery info doesn't work at all on some systems, which is addressed by a fix from Lan Tianyu. / -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAABAgAGBQJR+6ptAAoJEKhOf7ml8uNsRpIP/0P2HbCFM52/4Rv/Iltnt4fI 9Vo2dyuL7JKP2U8jtHxfhFGg3oMdYQoUIdnpjtKr4O3obhzl4vHwE9vtrRlhHpRZ SnHGe0W5v0eQOdCbVzdwS1NrJwckkTy1JuybV+PH66T84Usu0QoxE4iNveK2LX23 eJvOgWGBoyEEWJb+1/KJNIcKk77A0Cnc2CCLMN5bmhwH1QGDRZdzSnrjK5fGniF0 akCGq8jJhBaI1xJF/42LgNBiPpAYk42SPuiSOqniKzweUK1P6YzHjArh0qaTBoUj 27HRkZlY6Y8WLFxqQio7zvbbLSdRuwosESofw2kCFkAAEnCc71kw2nbebNr3sCap MqrmEMcxqT803PiB2RGyS53WNE7mM3NFCPRLOPL+cWeNQhoYzbZ+UiNx4Dw667cr Ow+egCY+jyAZm5TFqY6Y75lG61UM6oCs6M6iIwiv/BOmJqCmkTjvNBxHWrVcWxin YhiLJGyt7iAcIaxhy+fCs2j2a7B0Ai62kZ6YLqaEtNBzjuDbm6sr61A6Nu8bpOTU C7e76AocyfuDpdU99uawDvuazCGWEg+f8eH8C/ij19jF1/Mrlr0x+4x9MmMm9Iz5 ux0uroTteEuswz9aHmY270qdDLIuSGUsmqD05RoaO61U8dVigWw+ZKqUCImrAM7x 4bK1+2eOig794g9vSsen =7x7r -----END PGP SIGNATURE----- Merge tag 'pm+acpi-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - Revert two cpuidle commits added during the 3.8 development cycle that turn out to have introduced a significant performance regression as requested by Jeremy Eder. - The recent patches that made the freezer less heavy-weight introduced a regression causing user-space-driven hibernation using the ioctl() interface to block indefinitely when the hibernate process executes try_to_freeze(). Fix from Colin Cross addresses this by adding a process flag to mark the hibernate/suspend process to inform the freezer that that process should be ignored. - One of the recent cpufreq reverts uncovered a problem in the core causing the cpufreq driver module refcount to become negative after a system suspend-resume cycle. Fix from Rafael J Wysocki. - The evaluation of the ACPI battery _BIX method has never worked correctly, because the commit that added support for it forgot to take the "Revision" field in the return package into account. As a result, the reading of battery info doesn't work at all on some systems, which is addressed by a fix from Lan Tianyu. * tag 'pm+acpi-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: freezer: set PF_SUSPEND_TASK flag on tasks that call freeze_processes ACPI / battery: Fix parsing _BIX return value cpufreq: Fix cpufreq driver module refcount balance after suspend/resume Revert "cpuidle: Quickly notice prediction failure for repeat mode" Revert "cpuidle: Quickly notice prediction failure in general case" |
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Cong Wang
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e0d1095ae3 |
net: rename CONFIG_NET_LL_RX_POLL to CONFIG_NET_RX_BUSY_POLL
Eliezer renames several *ll_poll to *busy_poll, but forgets CONFIG_NET_LL_RX_POLL, so in case of confusion, rename it too. Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Cong Wang
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dfcefb0be1 |
net: fix a compile error when CONFIG_NET_LL_RX_POLL is not set
When CONFIG_NET_LL_RX_POLL is not set, I got: net/socket.c: In function ‘sock_poll’: net/socket.c:1165:4: error: implicit declaration of function ‘sk_busy_loop’ [-Werror=implicit-function-declaration] Fix this by adding a nop when !CONFIG_NET_LL_RX_POLL. Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Michal Kubeček
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2ac3ac8f86 |
ipv6: prevent fib6_run_gc() contention
On a high-traffic router with many processors and many IPv6 dst entries, soft lockup in fib6_run_gc() can occur when number of entries reaches gc_thresh. This happens because fib6_run_gc() uses fib6_gc_lock to allow only one thread to run the garbage collector but ip6_dst_gc() doesn't update net->ipv6.ip6_rt_last_gc until fib6_run_gc() returns. On a system with many entries, this can take some time so that in the meantime, other threads pass the tests in ip6_dst_gc() (ip6_rt_last_gc is still not updated) and wait for the lock. They then have to run the garbage collector one after another which blocks them for quite long. Resolve this by replacing special value ~0UL of expire parameter to fib6_run_gc() by explicit "force" parameter to choose between spin_lock_bh() and spin_trylock_bh() and call fib6_run_gc() with force=false if gc_thresh is reached but not max_size. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net> |
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John W. Linville
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22e02a0272 | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem | |
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Linus Torvalds
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64ccccf852 |
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Radeon, nouveau, exynos, intel, mgag200..
Not all strictly regressions but there was probably only one patch I'd
have really left out and it didn't seem worth respinning exynos to
avoid it, the line change count is quite low.
radeon: regressions + more dynamic powermanagement fixes, since DPM
is a new feature, and off by default I'd prefer to keep merging
fixes since it has a large userbase already and I'd like to keep
them on mainline
nouveau: is mostly regression fixes
i915: is a regression fix since Daniel is on holidays I've merged it.
mgag200: I've picked a bunch of targetted fixes from a big bunch of
distro patches,
exynos: build fixes mostly, one regression fix
I expect things will slow right down now, I may send on the intel
early quirk from Jesse separatly, since I think the x86 maintainers
acked it"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (37 commits)
drm/i915: fix missed hunk after GT access breakage
drm/radeon/dpm: re-enable cac control on SI
drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula
drm: fix 64 bit drm fixed point helpers
drm/radeon/atom: initialize more atom interpretor elements to 0
drm/nouveau: fix semaphore dmabuf obj
drm/nouveau/vm: make vm refcount into a kref
drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class
drm/nv40/mpeg: write magic value to channel object to make it work
drm/nouveau: fix size check for cards without vm
drm/nv50-/disp: remove dcb_outp_match call, and related variables
drm/nva3-/disp: fix hda eld writing, needs to be padded
drm/nv31/mpeg: fix mpeg engine initialization
drm/nv50/mc: include vp in the fb error reporting mask
drm/nouveau: fix null pointer dereference in poll_changed
drm/nv50/gpio: post-nv92 cards have 32 interrupt lines
drm/nvc0/fb: take lock in nvc0_ram_put()
drm/nouveau/core: xtensa firmware size needs to be 0x40000 no matter what
drm/mgag200: Fix LUT programming for 16bpp
drm/mgag200: Fix framebuffer pitch calculation
...
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Linus Torvalds
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19788a9008 |
Merge branch 'akpm' (patches from Andrew Morton)
Merge more patches from Andrew Morton: "A bunch of fixes. Plus Joe's printk move and rework. It's not a -rc3 thing but now would be a nice time to offload it, while things are quiet. I've been sitting on it all for a couple of weeks, no issues" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: vmpressure: make sure there are no events queued after memcg is offlined vmpressure: do not check for pending work to prevent from new work vmpressure: change vmpressure::sr_lock to spinlock printk: rename struct log to struct printk_log printk: use pointer for console_cmdline indexing printk: move braille console support into separate braille.[ch] files printk: add console_cmdline.h printk: move to separate directory for easier modification drivers/rtc/rtc-twl.c: fix: rtcX/wakealarm attribute isn't created mm: zbud: fix condition check on allocation size thp, mm: avoid PageUnevictable on active/inactive lru lists mm/swap.c: clear PageActive before adding pages onto unevictable list arch/x86/platform/ce4100/ce4100.c: include reboot.h mm: sched: numa: fix NUMA balancing when !SCHED_DEBUG rapidio: fix use after free in rio_unregister_scan() .gitignore: ignore *.lz4 files MAINTAINERS: dynamic debug: Jason's not there... dmi_scan: add comments on dmi_present() and the loop in dmi_scan_machine() ocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_page() mm: mempolicy: fix mbind_range() && vma_adjust() interaction |
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Joe Perches
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d9d10a3096 |
ndisc: Add missing inline to ndisc_addr_option_pad
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Michal Hocko
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33cb876e94 |
vmpressure: make sure there are no events queued after memcg is offlined
vmpressure is called synchronously from reclaim where the target_memcg is guaranteed to be alive but the eventfd is signaled from the work queue context. This means that memcg (along with vmpressure structure which is embedded into it) might go away while the work item is pending which would result in use-after-release bug. We have two possible ways how to fix this. Either vmpressure pins memcg before it schedules vmpr->work and unpin it in vmpressure_work_fn or explicitely flush the work item from the css_offline context (as suggested by Tejun). This patch implements the later one and it introduces vmpressure_cleanup which flushes the vmpressure work queue item item. It hooks into mem_cgroup_css_offline after the memcg itself is cleaned up. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Michal Hocko <mhocko@suse.cz> Reported-by: Tejun Heo <tj@kernel.org> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Li Zefan <lizefan@huawei.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Michal Hocko
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22f2020f84 |
vmpressure: change vmpressure::sr_lock to spinlock
There is nothing that can sleep inside critical sections protected by this lock and those sections are really small so there doesn't make much sense to use mutex for them. Change the log to a spinlock Signed-off-by: Michal Hocko <mhocko@suse.cz> Reported-by: Tejun Heo <tj@kernel.org> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Li Zefan <lizefan@huawei.com> Reviewed-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Eli Cohen
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cd23b14b65 |
mlx5_core: Implement new initialization sequence
Introduce enbale_hca and disable_hca commands to signify when the driver starts or ceases to operate on the device. In addition the driver will use boot and init pages count; boot pages is required to allow firmware to complete boot commands and the other to complete init hca. Command interface revision is bumped to 4 to enforce using supported firmware. This patch breaks compatibility with old versions of firmware (< 4); however, the first GA firmware we will publish will support version 4 so this should not be a problem. Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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Linus Torvalds
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06693f305e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
1) Fix association failures not triggering a connect-failure event in
cfg80211, from Johannes Berg.
2) Eliminate a potential NULL deref with older iptables tools when
configuring xt_socket rules, from Eric Dumazet.
3) Missing RTNL locking in wireless regulatory code, from Johannes
Berg.
4) Fix OOPS caused by firmware loading races in ath9k_htc, from Alexey
Khoroshilov.
5) Fix usb URB leak in usb_8dev CAN driver, also from Alexey
Khoroshilov.
6) VXLAN namespace teardown fails to unregister devices, from Stephen
Hemminger.
7) Fix multicast settings getting dropped by firmware in qlcnic driver,
from Sucheta Chakraborty.
8) Add sysctl range enforcement for tcp_syn_retries, from Michal Tesar.
9) Fix a nasty bug in bridging where an active timer would get
reinitialized with a setup_timer() call. From Eric Dumazet.
10) Fix use after free in new mlx5 driver, from Dan Carpenter.
11) Fix freed pointer reference in ipv6 multicast routing on namespace
cleanup, from Hannes Frederic Sowa.
12) Some usbnet drivers report TSO and SG in their feature set, but the
usbnet layer doesn't really support them. From Eric Dumazet.
13) Fix crash on EEH errors in tg3 driver, from Gavin Shan.
14) Drop cb_lock when requesting modules in genetlink, from Stanislaw
Gruszka.
15) Kernel stack leaks in cbq scheduler and af_key pfkey messages, from
Dan Carpenter.
16) FEC driver erroneously signals NETDEV_TX_BUSY on transmit leading to
endless loops, from Uwe Kleine-König.
17) Fix hangs from loading mvneta driver, from Arnaud Patard.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (84 commits)
mlx5: fix error return code in mlx5_alloc_uuars()
mvneta: Try to fix mvneta when compiled as module
mvneta: Fix hang when loading the mvneta driver
atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
genetlink: fix usage of NLM_F_EXCL or NLM_F_REPLACE
af_key: more info leaks in pfkey messages
net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link
net_sched: Fix stack info leak in cbq_dump_wrr().
igb: fix vlan filtering in promisc mode when not in VT mode
ixgbe: Fix Tx Hang issue with lldpad on 82598EB
genetlink: release cb_lock before requesting additional module
net: fec: workaround stop tx during errata ERR006358
qlcnic: Fix diagnostic interrupt test for 83xx adapters.
qlcnic: Fix setting Guest VLAN
qlcnic: Fix operation type and command type.
qlcnic: Fix initialization of work function.
Revert "atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring"
atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring
net/tg3: Fix warning from pci_disable_device()
net/tg3: Fix kernel crash
...
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Oleg Nesterov
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2816c551c7 |
tracing: trace_remove_event_call() should fail if call/file is in use
Change trace_remove_event_call(call) to return the error if this call is active. This is what the callers assume but can't verify outside of the tracing locks. Both trace_kprobe.c/trace_uprobe.c need the additional changes, unregister_trace_probe() should abort if trace_remove_event_call() fails. The caller is going to free this call/file so we must ensure that nobody can use them after trace_remove_event_call() succeeds. debugfs should be fine after the previous changes and event_remove() does TRACE_REG_UNREGISTER, but still there are 2 reasons why we need the additional checks: - There could be a perf_event(s) attached to this tp_event, so the patch checks ->perf_refcount. - TRACE_REG_UNREGISTER can be suppressed by FTRACE_EVENT_FL_SOFT_MODE, so we simply check FTRACE_EVENT_FL_ENABLED protected by event_mutex. Link: http://lkml.kernel.org/r/20130729175033.GB26284@redhat.com Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Samuel Ortiz
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9ea7187c53 |
NFC: netlink: Rename CMD_FW_UPLOAD to CMD_FW_DOWNLOAD
Loading a firmware into a target is typically called firmware download, not firmware upload. So we rename the netlink API to NFC_CMD_FW_DOWNLOAD in order to avoid any terminology confusion from userspace. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> |
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Dave Airlie
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f34f516a8d |
Merge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux
Alex writes: - more fixes for SI dpm - fix DP on some rv6xx boards * 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux: drm/radeon/dpm: re-enable cac control on SI drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula drm: fix 64 bit drm fixed point helpers drm/radeon/atom: initialize more atom interpretor elements to 0 |
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Alex Deucher
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a838834b2f |
drm: fix 64 bit drm fixed point helpers
Sign bit wasn't handled properly and a small typo. Thanks to Christian for helping me sort this out. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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Colin Cross
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2b44c4db2e |
freezer: set PF_SUSPEND_TASK flag on tasks that call freeze_processes
Calling freeze_processes sets a global flag that will cause any process that calls try_to_freeze to enter the refrigerator. It skips sending a signal to the current task, but if the current task ever hits try_to_freeze, all threads will be frozen and the system will deadlock. Set a new flag, PF_SUSPEND_TASK, on the task that calls freeze_processes. The flag notifies the freezer that the thread is involved in suspend and should not be frozen. Also add a WARN_ON in thaw_processes if the caller does not have the PF_SUSPEND_TASK flag set to catch if a different task calls thaw_processes than the one that called freeze_processes, leaving a task with PF_SUSPEND_TASK permanently set on it. Threads that spawn off a task with PF_SUSPEND_TASK set (which swsusp does) will also have PF_SUSPEND_TASK set, preventing them from freezing while they are helping with suspend, but they need to be dead by the time suspend is triggered, otherwise they may run when userspace is expected to be frozen. Add a WARN_ON in thaw_processes if more than one thread has the PF_SUSPEND_TASK flag set. Reported-and-tested-by: Michael Leun <lkml20130126@newton.leun.net> Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Linus Torvalds
|
36f571e9ed |
This fixes corrupted video capture, seen with IIDC/DCAM video and certain
buffer settings. (Regression since v3.4 inclusive.) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAABAgAGBQJR9s/GAAoJEHnzb7JUXXnQUQ0QAL+E3JIrifLNLvkWLPzBc/hP VyFqrBWvpMWGrAXmF6HtyTkSsvde7q2sTgwwFg4wamSctXT7jVNCaoS0vJ+tXv4F +mXlGtyQcQV6RrCTeHnH4lwsEe2sb3YbHbwZ8/GPVJQOWpmwXqM7Ikj6mG2p6qVU bOBztCnkbugSzcp+bdF0DtMyNkh8gDombnqyCKMjDvJq5oAR8l/wHPPqMed0r+kZ Yk66p2LqqMqs6yOGC6ftNSRCO8D9KlGCQH4ydwUgiN7vSElZClDqpb8mVYzhPj0H 35rE+gc2SGcbvJO3ypWmQDPlT0kwU52KO9t0KLKNbHYbutzw5jRmYjkiGwy4GqMC cGWNTakuDyUK2hStXKwVEmdGI/5bl7UPTGYresczNxQlaYr9JtEy85QYadW2sNPZ BL4psLTbcM4ovoLdtqxsHeD8vtYZIfd4ajPuvczQu/W9NgsjScL3x67Nq/bK1mBo uybrwaJR4U7ulfxjNME+ed7NiJMrppaweT5vFnM7/JbmcOgfiakuoOf2gxAU7y7D xCU4PqvO/mSR+BRN8oYQDTkyzXtdgxhr7od1vGQHLwnSq7IhBybaSZkoTtDahtVY L7L9TGT5cQ1fZbhtZbgIxrjr0RIVKF/ZLmR/s5vm1Y7UyPvDbbGxYXfeqsuypFy/ /Y8FZqlSE60MivSVpyAA =L5a0 -----END PGP SIGNATURE----- Merge tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire regression fix from Stefan Richter: "This fixes corrupted video capture, seen with IIDC/DCAM video and certain buffer settings. (Regression since v3.4 inclusive.)" * tag 'firewire-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: fix libdc1394/FlyCap2 iso event regression |
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Rafael J. Wysocki
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148519120c |
Revert "cpuidle: Quickly notice prediction failure for repeat mode"
Revert commit |
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Linus Torvalds
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76d25a5f2f |
Pin control fixes for the v3.11 series:
- Driver fixes for AM33xx, SIRF and PFC pin controllers. - Fix a compile warning from the pinctrl single-register driver. - Fix a little nasty memory leak. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAABAgAGBQJR9YhoAAoJEEEQszewGV1zfl8P/jk2VjlRE0P4LRLSRn3Rt7yj Wz7IyZTol+mFnaY0yKQS9rToK+GqtJQHA1zuNP8iQnJbQh+UromAZwBd58dP7cnu mYSi2QS4osYT5RjvVtB2yYy9sRrc4iTb+qJFekanA4IcHt0zKDZysyN8moU5JxmN TVr+cauFm7qimkjps2Dns94UhVGpgB7A6Y8yC3SYtPv1GPdWQgSaDabWqMYq0bn1 ARUaz3XcbjMAGbPi8kDEFsP/SkM2OcMXpjX23G6ifgO9pyEKeum5+FWtllVeeAzb LmymMJYVcTPLFw0yj+9lkRBew2K9JKmPp8rAUBvbDn53vbguMkDJTczM3IUZ279h lRvR+w9F2M1rqIfwSa0/ZqTYKXbsF/IASYMXL/awNywnss+caPUxiN4EWRuKDssS Wh6veS9l4roMupaez6GU7gQ8UgNnFTQg2BYzeFYbAg1jJ1b/U+E0MK/9yUzewXQw phlcFFibYce+1qhJhQ3lIYb6O512vw+2Xk+G6JBZVuwzMVvUUJwJqfGRKCoobxZz DRBIQJ9U4DRMethjfp5mP0H6nH7/fwKqvftKlsnOb9SXZregpcLV+ymrkkmW/Ey2 XuEHQqUbmD0zoPHvFgoUmAYlzmhxtmHK5uJDSH1aZ4b9IOzr2mV1RSt0xwo3BpTS gwtDvmutV/JQ8RZMLLvw =URtB -----END PGP SIGNATURE----- Merge tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: - Driver fixes for AM33xx, SIRF and PFC pin controllers - Fix a compile warning from the pinctrl single-register driver - Fix a little nasty memory leak * tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: fix a memleak when freeing maps pinctrl: pinctrl-single: fix compile warning when no CONFIG_PM pinctrl: sh-pfc: fix SDHI0 VccQ regulator on sh73a0 with DT arm/dts: sirf: fix the pingroup name mismatch between drivers and dts pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl pinctrl: sirf: fix the pin number and mux bit for usp0 pinctrl: am33xx dt binding: correct include path |
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Clemens Ladisch
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0699a73af3 |
firewire: fix libdc1394/FlyCap2 iso event regression
Commit
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Linus Torvalds
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0f74665025 |
ACPI and power management fixes for 3.11-rc3
- Revert of the ACPI video commit that I hoped would help fix
backlight problems related to Windows 8 compatibility on some
systems. Unfortunately, it turned out to cause problems to happen
too.
- Fix for two problems in intel_pstate, a possible failure to respond
to a load change on a quiet system and a possible failure to select
the highest available P-state on some systems. From Dirk Brandewie.
/
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Merge tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are just two fixes, a revert of the would-be backlight fix that
didn't work and an intel_pstate fix for two problems related to
maximum P-state selection.
Specifics:
- Revert of the ACPI video commit that I hoped would help fix
backlight problems related to Windows 8 compatibility on some
systems. Unfortunately, it turned out to cause problems to happen
too.
- Fix for two problems in intel_pstate, a possible failure to respond
to a load change on a quiet system and a possible failure to select
the highest available P-state on some systems. From Dirk
Brandewie"
* tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
cpufreq / intel_pstate: Change to scale off of max P-state
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Linus Torvalds
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fef36a7a31 |
ARM: SoC fixes for 3.11-rc
This is a largeish batch of fixes, mostly because I missed -rc2 due to
travel/vacation. So in number these are a bit more than ideal unless
you amortize them over two -rcs.
Quick breakdown:
- Defconfig updates
- Making multi_v7_defconfig useful on more hardware to encourage
single-image usage
- Davinci and nomadik updates due to new code merged this merge window
- Fixes for UART on Samsung platforms, both PM and clock-related
- A handful of warning fixes from defconfig builds, including for
max8925 backlight and pxamci (both with appropriate acks)
- Exynos5440 fixes for LPAE configuration, PM
- ...plus a bunch of other smaller changes all over the place
I expect to switch to regressions-or-severe-bugs-only fixes from here
on out.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This is a largeish batch of fixes, mostly because I missed -rc2 due to
travel/vacation. So in number these are a bit more than ideal unless
you amortize them over two -rcs.
Quick breakdown:
- Defconfig updates
- Making multi_v7_defconfig useful on more hardware to encourage
single-image usage
- Davinci and nomadik updates due to new code merged this merge
window
- Fixes for UART on Samsung platforms, both PM and clock-related
- A handful of warning fixes from defconfig builds, including for
max8925 backlight and pxamci (both with appropriate acks)
- Exynos5440 fixes for LPAE configuration, PM
- ...plus a bunch of other smaller changes all over the place
I expect to switch to regressions-or-severe-bugs-only fixes from here
on out"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
mfd: max8925: fix dt code for backlight
ARM: omap5: Only select errata 798181 if SMP
ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
ARM: EXYNOS: Fix low level debug support
ARM: SAMSUNG: Save/restore only selected uart's registers
ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm
ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART
ARM: multi_v7_defconfig: Select USB chipidea driver
ARM: pxa: propagate errors from regulator_enable() to pxamci
ARM: zynq: fix compilation warning
ARM: keystone: fix compilation warning
ARM: highbank: Only touch common coherency control register fields
ARM: footbridge: fix overlapping PCI mappings
dmaengine: shdma: fix a build failure on platforms with no DMA support
ARM: STi: Set correct ARM ERRATAs.
ARM: dts: STi: Fix pinconf setup for STiH416 serial2
ARM: nomadik: configure for NO_HZ and HRTIMERS
ARM: nomadik: update defconfig base
ARM: nomadik: Update MMC defconfigs
ARM: davinci: defconfig: enable EDMA driver
...
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Linus Torvalds
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db8cbfadcf |
USB fixes for 3.11-rc3
Here are a number of USB fixes for 3.11-rc3. Lots of little things, nothing major. A number of new device ids, build fixes for DMA, and a bunch of other minor things. All of these have been in the linux-next tree. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEABECAAYFAlHyp6cACgkQMUfUDdst+ynfQACfb+akG9GYjNpdjkiun0dh2DG2 hDYAoKuhkL1L63vDcIjfFOdZpVKetjPi =71aA -----END PGP SIGNATURE----- Merge tag 'usb-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of USB fixes for 3.11-rc3. Lots of little things, nothing major. A number of new device ids, build fixes for DMA, and a bunch of other minor things. All of these have been in the linux-next tree" * tag 'usb-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits) usb: Clear both buffers when clearing a control transfer TT buffer. usb/gadget: free opts struct on error recovery USB: mos7840: fix memory leak in open usb: serial: option.c: remove ONDA MT825UP product ID fromdriver usb: serial: option: add Olivetti Olicard 200 usb: serial: option: blacklist ONDA MT689DC QMI interface xhci: fix null pointer dereference on ring_doorbell_for_active_rings usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0 usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled usb: xhci: Mark two functions __maybe_unused xhci: Avoid NULL pointer deref when host dies. usb: serial: option: Add ONYX 3G device support USB: ti_usb_3410_5052: fix dynamic-id matching usb: option: add TP-LINK MA260 USB: option: add D-Link DWM-152/C1 and DWM-156/C1 USB: EHCI: Fix resume signalling on remote wakeup USB: cp210x: add MMB and PI ZigBee USB Device Support usb: cp210x support SEL C662 Vendor/Device USB: option: append Petatel NP10T device to GSM modems list USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga ... |
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Linus Torvalds
|
c7dad2343f |
Merge branch 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo: "Assorted libata updates. The most critical one is a fix for ahci oops during boot. Also, a new smallish platform ahci driver is added and sata_inic162x is marked clearly as experimental (it whines during boot too) as data corruption seems rather common on the device and it's unlikely to get any love in the foreseeable future. If the whining doesn't draw any attention, I think we'd probably be better of making the driver depend on BROKEN in a couple releases" This is v2 of this pull request with fixed dependencies for ahci_imx. * 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: ahci_imx: depend on CONFIG_MFD_SYSCON ahci_imx: add ahci sata support on imx platforms ARM: imx6q: update the sata bits definitions of gpr13 ahci: fix Null pointer dereference in achi_host_active() libata: make it clear that sata_inic162x is experimental libata: replace strict_strtol() with kstrtol() ata: Fix DVD not dectected at some platform with Wellsburg PCH |
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Rafael J. Wysocki
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8e5c2b776a |
Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
We attempted to address a regression introduced by commit |
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Linus Torvalds
|
b48a97be8e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: "This push fixes a memory corruption issue in caam, as well as reverting the new optimised crct10dif implementation as it breaks boot on initrd systems. Hopefully crct10dif will be reinstated once the supporting code is added so that it doesn't break boot" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework" crypto: caam - Fixed the memory out of bound overwrite issue |
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Richard Zhu
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6a6c21ef48 |
ARM: imx6q: update the sata bits definitions of gpr13
Replace the SATA_PHY_# by the more readable definitons.
tj: Being routed through libata branch to enable implementation of
ahci_imx.
Signed-off-by: Richard Zhu <r65037@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Herbert Xu
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e70308ec0e |
Revert "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"
This reverts commits
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Linus Torvalds
|
04012e3076 |
Fix EDAC lockdep splat
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJR7wupAAoJEKurIx+X31iBdGkP/2ySjQyhBZbY7wlqyTu7H6fk xF6TZ8Wu2swcEMSqQ/lDSDVX1G2iLtSWFBIYNapCp1inTpvOptPBX3Elh717HYau iOBl+B5NWyrZYcRMKL4uF+q+1MnTDpd+F2rfp16LqTHc+xUXRghokQMIVvGmCAp7 L5vf1icKFvR3e2SWKnkqPUkQeq6RzFSYQkXqmJn6iRa4BBQOgnjEhEXId+DzDEK6 7YMfD4lIjISeuYHL/Vt236aJOWGg4Edbbm+9HavEl6H5/QHxH/r2OEJHOoCZ4E9k BV/UHxbT8YcC+yjg67WzoV8AmDrgeMfeLRzcrGFxl1ldA3ncDTwOjgP5UPnU5w2U ZmmHtieTeI4UduKAFmB67SKjzh0vREeSLe8JcAuF7pWxLdrqpfCV7ak0SYYyPIU3 kbOHK9S1rwRriG484PZkE9JIcT/VXew00ZFvN9KSOrRvKUXLsnm3NVhBbJgb7uHk trKZK8bDhPyLDiAfvqGr9jU6kodKzggXtXlhXrgKmOIcbbyqqj/PLdd84fU0ofki z7QCqzua/2bs3tJIvLois70NPERIsQtEp45uKl03e547l/Ue+qWntrftIf/h0sBX FLUOGaTFkl1P8Ijd5bbpseEiH5rd7QPY2W96TfsVU3qvZqDLo+qGIL+PW+uoikNI zSTB6KERhR3hR0KfpZGK =WKhM -----END PGP SIGNATURE----- Merge tag 'please-pull-bp-edac' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fix from Tony Luck: "Fix EDAC lockdep splat" * tag 'please-pull-bp-edac' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC: Fix lockdep splat |
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Borislav Petkov
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88d84ac973 |
EDAC: Fix lockdep splat
Fix the following: BUG: key ffff88043bdd0330 not in .data! ------------[ cut here ]------------ WARNING: at kernel/lockdep.c:2987 lockdep_init_map+0x565/0x5a0() DEBUG_LOCKS_WARN_ON(1) Modules linked in: glue_helper sb_edac(+) edac_core snd acpi_cpufreq lrw gf128mul ablk_helper iTCO_wdt evdev i2c_i801 dcdbas button cryptd pcspkr iTCO_vendor_support usb_common lpc_ich mfd_core soundcore mperf processor microcode CPU: 2 PID: 599 Comm: modprobe Not tainted 3.10.0 #1 Hardware name: Dell Inc. Precision T3600/0PTTT9, BIOS A08 01/24/2013 0000000000000009 ffff880439a1d920 ffffffff8160a9a9 ffff880439a1d958 ffffffff8103d9e0 ffff88043af4a510 ffffffff81a16e11 0000000000000000 ffff88043bdd0330 0000000000000000 ffff880439a1d9b8 ffffffff8103dacc Call Trace: dump_stack warn_slowpath_common warn_slowpath_fmt lockdep_init_map ? trace_hardirqs_on_caller ? trace_hardirqs_on debug_mutex_init __mutex_init bus_register edac_create_sysfs_mci_device edac_mc_add_mc sbridge_probe pci_device_probe driver_probe_device __driver_attach ? driver_probe_device bus_for_each_dev driver_attach bus_add_driver driver_register __pci_register_driver ? 0xffffffffa0010fff sbridge_init ? 0xffffffffa0010fff do_one_initcall load_module ? unset_module_init_ro_nx SyS_init_module tracesys ---[ end trace d24a70b0d3ddf733 ]--- EDAC MC0: Giving out device to 'sbridge_edac.c' 'Sandy Bridge Socket#0': DEV 0000:3f:0e.0 EDAC sbridge: Driver loaded. What happens is that bus_register needs a statically allocated lock_key because the last is handed in to lockdep. However, struct mem_ctl_info embeds struct bus_type (the whole struct, not a pointer to it) and the whole thing gets dynamically allocated. Fix this by using a statically allocated struct bus_type for the MC bus. Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Markus Trippelsdorf <markus@trippelsdorf.de> Cc: stable@kernel.org # v3.10 Signed-off-by: Tony Luck <tony.luck@intel.com> |
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Linus Torvalds
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c2468d32f5 |
Merge branch 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo: "This contains two patches, both of which aren't fixes per-se but I think it'd be better to fast-track them. One removes bcache_subsys_id which was added without proper review through the block tree. Fortunately, bcache cgroup code is unconditionally disabled, so this was never exposed to userland. The cgroup subsys_id is removed. Kent will remove the affected (disabled) code through bcache branch. The other simplifies task_group_path_from_hierarchy(). The function doesn't currently have in-kernel users but there are external code and development going on dependent on the function and making the function available for 3.11 would make things go smoother" * 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: replace task_cgroup_path_from_hierarchy() with task_cgroup_path() cgroup: remove bcache_subsys_id which got added stealthily |
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Arnd Bergmann
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a829abf8da |
ARM: pxa: propagate errors from regulator_enable() to pxamci
The em_x270_mci_setpower() and em_x270_usb_hub_init() functions call regulator_enable(), which may return an error that must be checked. This changes the em_x270_usb_hub_init() function to bail out if it fails, and changes the pxamci_platform_data->setpower callback so that the a failed em_x270_mci_setpower call can be propagated by the pxamci driver into the mmc core. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Mike Rapoport <mike@compulab.co.il> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Acked-by: Chris Ball <cjb@laptop.org> [olof: fixed order of regulator_enable() and test in em_x270_usb_hub_init] Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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d757380c11 |
The imx fixes for 3.11:
* A few device tree source fixes regarding pinctrl, clock, and pwm backlight. * Fixes imx28 and imx51 audio driver failure caused by sgtl5000 codec driver change by supplying the correct clock for codec. * imx6q emi_sel clock muxing and imx6q-iomuxc-gpr macro fixes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJR5B55AAoJEFBXWFqHsHzOEGoH/2DesLDZkQbUCn+w7Z3H7HYi QAPeG1F/Ke3cBSaT+v/Z+46MgmU2gyQkxk08GRtPuVAZwCuWxSUN1H6+yakeBdHb XGXR25RbbASIpYdYnC37eKiU2itiBmD7CRbWJ5xPHEluAgr47vr3OKfls6laii3b nSM4sKz45PxBJ55M0qcE+A6oVdf9c+G0vm0aX14xEiLEUghB/U0KNKWp+B63hwfh tg11gNwr2dO8jv51xpwJXH17juoZ46srOzmxERJm3j08JSz/tJSvIQajSsg54aLT pAxToPAeuGGga5+7AanGT+repzZdd74Lp3U/lGw6WpaxLOpFf5Am3841O8qqCLw= =q0LM -----END PGP SIGNATURE----- Merge tag 'imx-fixes-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes From Shawn Guo, imx fixes for 3.11: - A few device tree source fixes regarding pinctrl, clock, and pwm backlight. - Fixes imx28 and imx51 audio driver failure caused by sgtl5000 codec driver change by supplying the correct clock for codec. - imx6q emi_sel clock muxing and imx6q-iomuxc-gpr macro fixes * tag 'imx-fixes-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: dts: imx51-babbage: Pass a real clock to the codec ARM i.MX53: mba53: Fix PWM backlight DT node ARM: imx: fix vf610 enet module clock selection ARM: mxs: saif0 is the clock provider to sgtl5000 ARM: i.MX6Q: correct emi_sel clock muxing ARM i.MX6Q: Fix IOMUXC GPR1 defines for ENET_CLK_SEL and IPU1/2_MUX ARM: i.MX27: Typo fix ARM: imx27: Fix documentation for SPLL clock ARM i.MX53: Fix UART pad configuration |
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Guennadi Liakhovetski
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ab116a4df4 |
dmaengine: shdma: fix a build failure on platforms with no DMA support
On platforms with no support for the shdma dmaengine driver build is currently failing with drivers/built-in.o: In function `sh_mobile_sdhi_probe': drivers/mmc/host/sh_mobile_sdhi.c:170: undefined reference to`shdma_chan_filter' Fix the breakage by defining shdma_chan_filter to NULL in such configurations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> [horms+renesas@verge.net.au: Apply change to shdma-base.h instead of sh_dma.h] Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Olof Johansson <olof@lixom.net> |
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Linus Torvalds
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b3a3a9c441 |
This contains fixes, optimizations and some clean ups
Some of the fixes need to go back to 3.10. They are minor, and deal mostly with incorrect ref counting in accessing event files. There was a couple of optimizations that should have perf perform a bit better when accessing trace events. And some various clean ups. Some of the clean ups are necessary to help in a fix to a theoretical race between opening a event file and deleting that event. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJR7TuSAAoJEOdOSU1xswtMFsEIALOQWth+jUEmd+TJNMgW7vHd aJ4pjc0Br2ur0XOm4xsOOsuexQ/sKG4J0qJT4z01Ny4ZJ6UcL6CvLKlQXlySrUw5 POH6+7B7os3ikav+4KGDYJpeyR7l+uveA7IcqZz5OWAbz2yi3HbluPUUyFn+62ic Q0IOi4KkCly4buHNqJqfQRUo+0eBb8sZUfaklIQE07Dd66YVyq4w2WogI2PxBanP b6p4sE9n7wf7GxXXur5jPBz8PheAFu6a6dM9d9BX28ia79OGSGN4mYWbSNOn8wzl gJr1ZqxKJBq73IHpNV7QBOCCgDJ9vtuqxKKm4kuLCMfjCTPBsQ3Bmo/qJulnnGI= =AlmI -----END PGP SIGNATURE----- Merge tag 'trace-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes and cleanups from Steven Rostedt: "This contains fixes, optimizations and some clean ups Some of the fixes need to go back to 3.10. They are minor, and deal mostly with incorrect ref counting in accessing event files. There was a couple of optimizations that should have perf perform a bit better when accessing trace events. And some various clean ups. Some of the clean ups are necessary to help in a fix to a theoretical race between opening a event file and deleting that event" * tag 'trace-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Kill the unbalanced tr->ref++ in tracing_buffers_open() tracing: Kill trace_array->waiter tracing: Do not (ab)use trace_seq in event_id_read() tracing: Simplify the iteration logic in f_start/f_next tracing: Add ref_data to function and fgraph tracer structs tracing: Miscellaneous fixes for trace_array ref counting tracing: Fix error handling to ensure instances can always be removed tracing/kprobe: Wait for disabling all running kprobe handlers tracing/perf: Move the PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare() tracing/syscall: Avoid perf_trace_buf_*() if sys_data->perf_events is empty tracing/function: Avoid perf_trace_buf_*() if event_function.perf_events is empty tracing: Typo fix on ring buffer comments tracing: Use trace_seq_puts()/trace_seq_putc() where possible tracing: Use correct config guard CONFIG_STACK_TRACER |
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Linus Torvalds
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d4c90b1b9f |
Merge branch 'for-3.11/drivers' of git://git.kernel.dk/linux-block
Pull block IO driver bits from Jens Axboe:
"As I mentioned in the core block pull request, due to real life
circumstances the driver pull request would be late. Now it looks
like -rc2 late... On the plus side, apart form the rsxx update, these
are all things that I could argue could go in later in the cycle as
they are fixes and not features. So even though things are late, it's
not ALL bad.
The pull request contains:
- Updates to bcache, all bug fixes, from Kent.
- A pile of drbd bug fixes (no big features this time!).
- xen blk front/back fixes.
- rsxx driver updates, some of them deferred form 3.10. So should be
well cooked by now"
* 'for-3.11/drivers' of git://git.kernel.dk/linux-block: (63 commits)
bcache: Allocation kthread fixes
bcache: Fix GC_SECTORS_USED() calculation
bcache: Journal replay fix
bcache: Shutdown fix
bcache: Fix a sysfs splat on shutdown
bcache: Advertise that flushes are supported
bcache: check for allocation failures
bcache: Fix a dumb race
bcache: Use standard utility code
bcache: Update email address
bcache: Delete fuzz tester
bcache: Document shrinker reserve better
bcache: FUA fixes
drbd: Allow online change of al-stripes and al-stripe-size
drbd: Constants should be UPPERCASE
drbd: Ignore the exit code of a fence-peer handler if it returns too late
drbd: Fix rcu_read_lock balance on error path
drbd: fix error return code in drbd_init()
drbd: Do not sleep inside rcu
bcache: Refresh usage docs
...
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Ian Campbell
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c5f167d315 |
pinctrl: am33xx dt binding: correct include path
Using #include <include/...> is a bit odd. It happens to work because the DTC flags include -Iarch/FOO/boot/dts as well as arch/FOO/boot/dts/include and arch/FOO/boot/dts/include/dt-bindings is a symlink to include/dt-bindings. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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Linus Torvalds
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ea45ea70b6 |
ACPI video support fixes for 3.11
- Change from Aaron Lu makes ACPICA export a variable which can be
used by driver code to determine whether or not the BIOS believes
that we are compatible with Windows 8.
- Change from Matthew Garrett makes the ACPI video driver initialize
the ACPI backlight even if it is not going to be used afterward
(that is needed for backlight control to work on Thinkpads).
- Fix from Rafael J Wysocki implements Windows 8 backlight support
workaround making i915 take over bakclight control if the firmware
thinks it's dealing with Windows 8. Based on the work of multiple
developers including Matthew Garrett, Chun-Yi Lee, Seth Forshee,
and Aaron Lu.
- Fix from Aaron Lu makes the kernel follow Windows 8 by informing
the firmware through the _DOS method that it should not carry out
automatic brightness changes, so that brightness can be controlled
by GUI.
/
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Merge tag 'acpi-video-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI video support fixes from Rafael Wysocki:
"I'm sending a separate pull request for this as it may be somewhat
controversial. The breakage addressed here is not really new and the
fixes may not satisfy all users of the affected systems, but we've had
so much back and forth dance in this area over the last several weeks
that I think it's time to actually make some progress.
The source of the problem is that about a year ago we started to tell
BIOSes that we're compatible with Windows 8, which we really need to
do, because some systems shipping with Windows 8 are tested with it
and nothing else, so if we tell their BIOSes that we aren't compatible
with Windows 8, we expose our users to untested BIOS/AML code paths.
However, as it turns out, some Windows 8-specific AML code paths are
not tested either, because Windows 8 actually doesn't use the ACPI
methods containing them, so if we declare Windows 8 compatibility and
attempt to use those ACPI methods, things break. That occurs mostly
in the backlight support area where in particular the _BCM and _BQC
methods are plain unusable on some systems if the OS declares Windows
8 compatibility.
[ The additional twist is that they actually become usable if the OS
says it is not compatible with Windows 8, but that may cause
problems to show up elsewhere ]
Investigation carried out by Matthew Garrett indicates that what
Windows 8 does about backlight is to leave backlight control up to
individual graphics drivers. At least there's evidence that it does
that if the Intel graphics driver is used, so we've decided to follow
Windows 8 in that respect and allow i915 to control backlight (Daniel
likes that part).
The first commit from Aaron Lu makes ACPICA export the variable from
which we can infer whether or not the BIOS believes that we are
compatible with Windows 8.
The second commit from Matthew Garrett prepares the ACPI video driver
by making it initialize the ACPI backlight even if it is not going to
be used afterward (that is needed for backlight control to work on
Thinkpads).
The third commit implements the actual workaround making i915 take
over backlight control if the firmware thinks it's dealing with
Windows 8 and is based on the work of multiple developers, including
Matthew Garrett, Chun-Yi Lee, Seth Forshee, and Aaron Lu.
The final commit from Aaron Lu makes us follow Windows 8 by informing
the firmware through the _DOS method that it should not carry out
automatic brightness changes, so that brightness can be controlled by
GUI.
Hopefully, this approach will allow us to avoid using blacklists of
systems that should not declare Windows 8 compatibility just to avoid
backlight control problems in the future.
- Change from Aaron Lu makes ACPICA export a variable which can be
used by driver code to determine whether or not the BIOS believes
that we are compatible with Windows 8.
- Change from Matthew Garrett makes the ACPI video driver initialize
the ACPI backlight even if it is not going to be used afterward
(that is needed for backlight control to work on Thinkpads).
- Fix from Rafael J Wysocki implements Windows 8 backlight support
workaround making i915 take over bakclight control if the firmware
thinks it's dealing with Windows 8. Based on the work of multiple
developers including Matthew Garrett, Chun-Yi Lee, Seth Forshee,
and Aaron Lu.
- Fix from Aaron Lu makes the kernel follow Windows 8 by informing
the firmware through the _DOS method that it should not carry out
automatic brightness changes, so that brightness can be controlled
by GUI"
* tag 'acpi-video-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / video: no automatic brightness changes by win8-compatible firmware
ACPI / video / i915: No ACPI backlight if firmware expects Windows 8
ACPI / video: Always call acpi_video_init_brightness() on init
ACPICA: expose OSI version
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Linus Torvalds
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f6a0d9d585 |
Staging tree fixes for 3.11-rc2
Here are a few iio driver fixes for 3.11-rc2. They are still spread across drivers/iio and drivers/staging/iio so they are coming in through this tree. I've also removed the drivers/staging/csr/ driver as the developers who originally sent it to me have moved on to other companies, and CSR still will not send us the specs for the device, making the driver pretty much obsolete and impossible to fix up. Deleting it now prevents people from sending in lots of tiny codingsyle fixes that will never go anywhere. It also helps to offset the large lustre filesystem merge that happened in 3.11-rc1 in the overall 3.11.0 diffstat. :) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iEYEABECAAYFAlHq64AACgkQMUfUDdst+ynysQCgwUM8pbZ7iJGDJAW2TahKwVie f5MAnRR8DokyE7iWwXDEx5UYVPerMrpq =9ORA -----END PGP SIGNATURE----- Merge tag 'staging-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging tree fixes from Greg KH: "Here are a few iio driver fixes for 3.11-rc2. They are still spread across drivers/iio and drivers/staging/iio so they are coming in through this tree. I've also removed the drivers/staging/csr/ driver as the developers who originally sent it to me have moved on to other companies, and CSR still will not send us the specs for the device, making the driver pretty much obsolete and impossible to fix up. Deleting it now prevents people from sending in lots of tiny codingsyle fixes that will never go anywhere. It also helps to offset the large lustre filesystem merge that happened in 3.11-rc1 in the overall 3.11.0 diffstat. :)" * tag 'staging-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: csr: remove driver iio: lps331ap: Fix wrong in_pressure_scale output value iio staging: fix lis3l02dq, read error handling staging:iio:ad7291: add missing .driver_module to struct iio_info iio: ti_am335x_adc: add missing .driver_module to struct iio_info iio: mxs-lradc: Remove useless check in read_raw iio: mxs-lradc: Fix misuse of iio->trig iio: inkern: fix iio_convert_raw_to_processed_unlocked iio: Fix iio_channel_has_info iio:trigger: device_unregister->device_del to avoid double free iio: dac: ad7303: fix error return code in ad7303_probe() |
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Linus Torvalds
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36231d255b |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro: "The sget() one is a long-standing bug and will need to go into -stable (in fact, it had been originally caught in RHEL6), the other two are 3.11-only" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: constify dentry parameter in d_count() livelock avoidance in sget() allow O_TMPFILE to work with O_WRONLY |
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Peng Tao
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24924a20da |
vfs: constify dentry parameter in d_count()
so that it can be used in places like d_compare/d_hash without causing a compiler warning. Signed-off-by: Peng Tao <tao.peng@emc.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Al Viro
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ba57ea64cb |
allow O_TMPFILE to work with O_WRONLY
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Linus Torvalds
|
b7356abb9f |
Power management and ACPI fixes for 3.11-rc2
- Two cpufreq commits from the 3.10 cycle introduced regressions.
The first of them was buggy (it did way much more than it needed
to do) and the second one attempted to fix an issue introduced by
the first one. Fixes from Srivatsa S Bhat revert both.
- If autosleep triggers during system shutdown and the shutdown
callbacks of some device drivers have been called already, it may
crash the system. Fix from Liu Shuo prevents that from happening
by making try_to_suspend() check system_state.
- The ACPI memory hotplug driver doesn't clear its driver_data on
errors which may cause a NULL poiter dereference to happen later.
Fix from Toshi Kani.
- The ACPI namespace scanning code should not try to attach scan
handlers to device objects that have them already, which may confuse
things quite a bit, and it should rescan the whole namespace branch
starting at the given node after receiving a bus check notify event
even if the device at that particular node has been discovered
already. Fixes from Rafael J Wysocki.
- New ACPI video blacklist entry for a system whose initial backlight
setting from the BIOS doesn't make sense. From Lan Tianyu.
- Garbage string output avoindance for ACPI PNP from Liu Shuo.
- Two Kconfig fixes for issues introduced recently in the s3c24xx
cpufreq driver (when moving the driver to drivers/cpufreq) from
Paul Bolle.
- Trivial comment fix in pm_wakeup.h from Chanwoo Choi.
/
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Merge tag 'pm+acpi-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are fixes collected over the last week, most importnatly two
cpufreq reverts fixing regressions introduced in 3.10, an autoseelp
fix preventing systems using it from crashing during shutdown and two
ACPI scan fixes related to hotplug.
Specifics:
- Two cpufreq commits from the 3.10 cycle introduced regressions.
The first of them was buggy (it did way much more than it needed to
do) and the second one attempted to fix an issue introduced by the
first one. Fixes from Srivatsa S Bhat revert both.
- If autosleep triggers during system shutdown and the shutdown
callbacks of some device drivers have been called already, it may
crash the system. Fix from Liu Shuo prevents that from happening
by making try_to_suspend() check system_state.
- The ACPI memory hotplug driver doesn't clear its driver_data on
errors which may cause a NULL poiter dereference to happen later.
Fix from Toshi Kani.
- The ACPI namespace scanning code should not try to attach scan
handlers to device objects that have them already, which may
confuse things quite a bit, and it should rescan the whole
namespace branch starting at the given node after receiving a bus
check notify event even if the device at that particular node has
been discovered already. Fixes from Rafael J Wysocki.
- New ACPI video blacklist entry for a system whose initial backlight
setting from the BIOS doesn't make sense. From Lan Tianyu.
- Garbage string output avoindance for ACPI PNP from Liu Shuo.
- Two Kconfig fixes for issues introduced recently in the s3c24xx
cpufreq driver (when moving the driver to drivers/cpufreq) from
Paul Bolle.
- Trivial comment fix in pm_wakeup.h from Chanwoo Choi"
* tag 'pm+acpi-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / video: ignore BIOS initial backlight value for Fujitsu E753
PNP / ACPI: avoid garbage in resource name
cpufreq: Revert commit
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John W. Linville
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876fbb5d3e | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem |