- 19 May, 2010 13 commits
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Dmitry Torokhov authored
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Dmitry Torokhov authored
Newer Synaptics firmware allows to query maximim dimensions reported by device, let's use this data. Tested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Dmitry Torokhov authored
Apparently there are Elantech touchpads that report non-zero in the 2nd byte of their signature. Adjust the detection routine so that if 2nd byte is zero and 3rd byte contains value that is not a valid report rate, we still assume that signature is valid. Tested-by: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Dmitry Torokhov authored
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Julia Lawall authored
Use kmemdup when some other buffer is immediately copied into the allocated region. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Julia Lawall authored
Use kmemdup when some other buffer is immediately copied into the allocated region. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Jacob Pan authored
Moorestown does not have i8042 based keyboard controller, so give an option to deselect i8042 for non-pc mid. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Paul Fox authored
While setting up sysrq operation on the XO laptop (which lacks a SysRq key), i realized that the documentation was quite out of date. Change documentation of SysRq to reflect current KEY_SYSRQ value. Signed-off-by: Paul Fox <pgf@laptop.org> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Haojian Zhuang authored
Irq number of onkey is assigned twice. The second assignment is wrong. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Matthew Garrett authored
Windows checks for an ALPS PS/2 device in PNP. Add it on the off-chance that there's a machine that expresses this without also providing a compatibility ID. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Matthew Garrett authored
Some Japanese machines declare their keyboard with a different PNP ID. Add it to the list of probed device IDs. While we're at it, add all the other IDs that Windows binds to - we'll probably never see them in the real world, but it doesn't hurt. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Manuel Lauss authored
WM97XX_GPIO_HIGH is not a bitmap and should to be treated as such. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Dmitry Torokhov authored
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- 16 May, 2010 6 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: rtnetlink: make SR-IOV VF interface symmetric sctp: delete active ICMP proto unreachable timer when free transport tcp: fix MD5 (RFC2385) support
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git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: Oprofile: Fix Loongson irq handler MIPS: N32: Use compat version for sys_ppoll. MIPS FPU emulator: allow Cause bits of FCSR to be writeable by ctc1
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Chris Wright authored
Now we have a set of nested attributes: IFLA_VFINFO_LIST (NESTED) IFLA_VF_INFO (NESTED) IFLA_VF_MAC IFLA_VF_VLAN IFLA_VF_TX_RATE This allows a single set to operate on multiple attributes if desired. Among other things, it means a dump can be replayed to set state. The current interface has yet to be released, so this seems like something to consider for 2.6.34. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Wei Yongjun authored
transport may be free before ICMP proto unreachable timer expire, so we should delete active ICMP proto unreachable timer when transport is going away. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
TCP MD5 support uses percpu data for temporary storage. It currently disables preemption so that same storage cannot be reclaimed by another thread on same cpu. We also have to make sure a softirq handler wont try to use also same context. Various bug reports demonstrated corruptions. Fix is to disable preemption and BH. Reported-by: Bhaskar Dutta <bhaskie@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 15 May, 2010 17 commits
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Wu Zhangjin authored
The interrupt enable bit for the performance counters is in the Control Register $24, not in the counter register. loongson2_perfcount_handler(), we need to use Reported-by: Xu Hengyang <hengyang@mail.ustc.edu.cn> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1198/Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
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Chandrakala Chavva authored
The sys_ppoll() takes struct 'struct timespec'. This is different for the N32 and N64 ABIs. Use the compat version to do the proper conversions. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1210/Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
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Shane McDonald authored
In the FPU emulator code of the MIPS, the Cause bits of the FCSR register are not currently writeable by the ctc1 instruction. In odd corner cases, this can cause problems. For example, a case existed where a divide-by-zero exception was generated by the FPU, and the signal handler attempted to restore the FPU registers to their state before the exception occurred. In this particular setup, writing the old value to the FCSR register would cause another divide-by-zero exception to occur immediately. The solution is to change the ctc1 instruction emulator code to allow the Cause bits of the FCSR register to be writeable. This is the behaviour of the hardware that the code is emulating. This problem was found by Shane McDonald, but the credit for the fix goes to Kevin Kissell. In Kevin's words: I submit that the bug is indeed in that ctc_op: case of the emulator. The Cause bits (17:12) are supposed to be writable by that instruction, but the CTC1 emulation won't let them be updated by the instruction. I think that actually if you just completely removed lines 387-388 [...] things would work a good deal better. At least, it would be a more accurate emulation of the architecturally defined FPU. If I wanted to be really, really pedantic (which I sometimes do), I'd also protect the reserved bits that aren't necessarily writable. Signed-off-by: Shane McDonald <mcdonald.shane@gmail.com> To: anemo@mba.ocn.ne.jp To: kevink@paralogos.com To: sshtylyov@mvista.com Patchwork: http://patchwork.linux-mips.org/patch/1205/Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: check for read permission on src file in the clone ioctl
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kirjanov@gmail.com authored
mempool_alloc() can return null in atomic case. Signed-off-by: Denis Kirjanov <kirjanov@gmail.com> Cc: Joern Engel <joern@logfs.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Nicolas Ferre authored
As we were using an internal dma flushing routine, this patch changes to the DMA API flush_kernel_dcache_page(). Driver is able to compile now. [akpm@linux-foundation.org: flush_kernel_dcache_page() comes before kunmap_atomic()] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dan Rosenberg authored
The existing code would have allowed you to clone a file that was only open for writing Signed-off-by: Chris Mason <chris.mason@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: JFS: Free sbi memory in error path fs/sysv: dereferencing ERR_PTR() Fix double-free in logfs Fix the regression created by "set S_DEAD on unlink()..." commit
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf record: Add a fallback to the reference relocation symbol
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Jan Blunck authored
I spotted the missing kfree() while removing the BKL. [akpm@linux-foundation.org: avoid multiple returns so it doesn't happen again] Signed-off-by: Jan Blunck <jblunck@suse.de> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Dan Carpenter authored
I moved the dir_put_page() inside the if condition so we don't dereference "page", if it's an ERR_PTR(). Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
iput() is needed *until* we'd done successful d_alloc_root() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
1) i_flags simply doesn't work for mount/unlink race prevention; we may have many links to file and rm on one of those obviously shouldn't prevent bind on top of another later on. To fix it right way we need to mark _dentry_ as unsuitable for mounting upon; new flag (DCACHE_CANT_MOUNT) is protected by d_flags and i_mutex on the inode in question. Set it (with dont_mount(dentry)) in unlink/rmdir/etc., check (with cant_mount(dentry)) in places in namespace.c that used to check for S_DEAD. Setting S_DEAD is still needed in places where we used to set it (for directories getting killed), since we rely on it for readdir/rmdir race prevention. 2) rename()/mount() protection has another bogosity - we unhash the target before we'd checked that it's not a mountpoint. Fixed. 3) ancient bogosity in pivot_root() - we locked i_mutex on the right directory, but checked S_DEAD on the different (and wrong) one. Noticed and fixed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6126/1: ARM mpcore_wdt: fix build failure and other fixes ARM: 6125/1: ARM TWD: move TWD registers to common header ARM: 6110/1: Fix Thumb-2 kernel builds when UACCESS_WITH_MEMCPY is enabled ARM: 6112/1: Use the Inner Shareable I-cache and BTB ops on ARMv7 SMP ARM: 6111/1: Implement read/write for ownership in the ARMv6 DMA cache ops ARM: 6106/1: Implement copy_to_user_page() for noMMU ARM: 6105/1: Fix the __arm_ioremap_caller() definition in nommu.c
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Linus Torvalds authored
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mrst: Don't blindly access extended config space
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Hugh Dickins authored
If the kernel is large or the profiling step small, /proc/profile leaks data and readprofile shows silly stats, until readprofile -r has reset the buffer: clear the prof_buffer when it is vmalloc()ed. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hugh Dickins authored
My old address will shut down in a couple of weeks: update the tree. Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 14 May, 2010 4 commits
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H. Peter Anvin authored
Do not blindly access extended configuration space unless we actively know we're on a Moorestown platform. The fixed-size BAR capability lives in the extended configuration space, and thus is not applicable if the configuration space isn't appropriately sized. This fixes booting certain VMware configurations with CONFIG_MRST=y. Moorestown will add a fake PCI-X 266 capability to advertise the presence of extended configuration space. Reported-and-tested-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Acked-by: Jacob Pan <jacob.jun.pan@intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> LKML-Reference: <AANLkTiltKUa3TrKR1M51eGw8FLNoQJSLT0k0_K5X3-OJ@mail.gmail.com>
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Linus Torvalds authored
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, cacheinfo: Turn off L3 cache index disable feature in virtualized environments x86, k8: Fix build error when K8_NB is disabled x86, amd: Check X86_FEATURE_OSVW bit before accessing OSVW MSRs x86: Fix fake apicid to node mapping for numa emulation
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Frank Arnold authored
When running a quest kernel on xen we get: BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: [<ffffffff8142f2fb>] cpuid4_cache_lookup_regs+0x2ca/0x3df PGD 0 Oops: 0000 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: swapper Tainted: G W 2.6.34-rc3 #1 /HVM domU RIP: 0010:[<ffffffff8142f2fb>] [<ffffffff8142f2fb>] cpuid4_cache_lookup_regs+0x 2ca/0x3df RSP: 0018:ffff880002203e08 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000060 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000 RBP: ffff880002203ed8 R08: 00000000000017c0 R09: ffff880002203e38 R10: ffff8800023d5d40 R11: ffffffff81a01e28 R12: ffff880187e6f5c0 R13: ffff880002203e34 R14: ffff880002203e58 R15: ffff880002203e68 FS: 0000000000000000(0000) GS:ffff880002200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000038 CR3: 0000000001a3c000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffffffff81a00000, task ffffffff81a44020) Stack: ffffffff810d7ecb ffff880002203e20 ffffffff81059140 ffff880002203e30 <0> ffffffff810d7ec9 0000000002203e40 000000000050d140 ffff880002203e70 <0> 0000000002008140 0000000000000086 ffff880040020140 ffffffff81068b8b Call Trace: <IRQ> [<ffffffff810d7ecb>] ? sync_supers_timer_fn+0x0/0x1c [<ffffffff81059140>] ? mod_timer+0x23/0x25 [<ffffffff810d7ec9>] ? arm_supers_timer+0x34/0x36 [<ffffffff81068b8b>] ? hrtimer_get_next_event+0xa7/0xc3 [<ffffffff81058e85>] ? get_next_timer_interrupt+0x19a/0x20d [<ffffffff8142fa23>] get_cpu_leaves+0x5c/0x232 [<ffffffff8106a7b1>] ? sched_clock_local+0x1c/0x82 [<ffffffff8106a9a0>] ? sched_clock_tick+0x75/0x7a [<ffffffff8107748c>] generic_smp_call_function_single_interrupt+0xae/0xd0 [<ffffffff8101f6ef>] smp_call_function_single_interrupt+0x18/0x27 [<ffffffff8100a773>] call_function_single_interrupt+0x13/0x20 <EOI> [<ffffffff8143c468>] ? notifier_call_chain+0x14/0x63 [<ffffffff810295c6>] ? native_safe_halt+0xc/0xd [<ffffffff810114eb>] ? default_idle+0x36/0x53 [<ffffffff81008c22>] cpu_idle+0xaa/0xe4 [<ffffffff81423a9a>] rest_init+0x7e/0x80 [<ffffffff81b10dd2>] start_kernel+0x40e/0x419 [<ffffffff81b102c8>] x86_64_start_reservations+0xb3/0xb7 [<ffffffff81b103c4>] x86_64_start_kernel+0xf8/0x107 Code: 14 d5 40 ff ae 81 8b 14 02 31 c0 3b 15 47 1c 8b 00 7d 0e 48 8b 05 36 1c 8b 00 48 63 d2 48 8b 04 d0 c7 85 5c ff ff ff 00 00 00 00 <8b> 70 38 48 8d 8d 5c ff ff ff 48 8b 78 10 ba c4 01 00 00 e8 eb RIP [<ffffffff8142f2fb>] cpuid4_cache_lookup_regs+0x2ca/0x3df RSP <ffff880002203e08> CR2: 0000000000000038 ---[ end trace a7919e7f17c0a726 ]--- The L3 cache index disable feature of AMD CPUs has to be disabled if the kernel is running as guest on top of a hypervisor because northbridge devices are not available to the guest. Currently, this fixes a boot crash on top of Xen. In the future this will become an issue on KVM as well. Check if northbridge devices are present and do not enable the feature if there are none. [ hpa: backported to 2.6.34 ] Signed-off-by: Frank Arnold <frank.arnold@amd.com> LKML-Reference: <1271945222-5283-3-git-send-email-bp@amd64.org> Acked-by: Borislav Petkov <borislav.petkov@amd.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: <stable@kernel.org>
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Borislav Petkov authored
K8_NB depends on PCI and when the last is disabled (allnoconfig) we fail at the final linking stage due to missing exported num_k8_northbridges. Add a header stub for that. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> LKML-Reference: <20100503183036.GJ26107@aftab> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: <stable@kernel.org>
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