- 26 8月, 2011 7 次提交
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由 Tejun Heo 提交于
While removing custom rendezvous code and switching to stop_machine, commit 192d8857 ("x86, mtrr: use stop_machine APIs for doing MTRR rendezvous") completely dropped mtrr setting code on !CONFIG_SMP breaking MTRR settting on UP. Fix it by removing the incorrect CONFIG_SMP. Signed-off-by: NTejun Heo <tj@kernel.org> Reported-by: NAnders Eriksson <aeriksson@fastmail.fm> Tested-and-acked-by: NSuresh Siddha <suresh.b.siddha@intel.com> Acked-by: NH. Peter Anvin <hpa@zytor.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Josh Boyer 提交于
Purely in-memory filesystems do not use the inode hash as the dcache tells us if an entry already exists. As a result, they do not call unlock_new_inode, and thus directory inodes do not get put into a different lockdep class for i_sem. We need the different lockdep classes, because the locking order for i_mutex is different for directory inodes and regular inodes. Directory inodes can do "readdir()", which takes i_mutex *before* possibly taking mm->mmap_sem (due to a page fault while copying the directory entry to user space). In contrast, regular inodes can be mmap'ed, which takes mm->mmap_sem before accessing i_mutex. The two cases can never happen for the same inode, so no real deadlock can occur, but without the different lockdep classes, lockdep cannot understand that. As a result, if CONFIG_DEBUG_LOCK_ALLOC is set, this can lead to false positives from lockdep like below: find/645 is trying to acquire lock: (&mm->mmap_sem){++++++}, at: [<ffffffff81109514>] might_fault+0x5c/0xac but task is already holding lock: (&sb->s_type->i_mutex_key#15){+.+.+.}, at: [<ffffffff81149f34>] vfs_readdir+0x5b/0xb4 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&sb->s_type->i_mutex_key#15){+.+.+.}: [<ffffffff8108ac26>] lock_acquire+0xbf/0x103 [<ffffffff814db822>] __mutex_lock_common+0x4c/0x361 [<ffffffff814dbc46>] mutex_lock_nested+0x40/0x45 [<ffffffff811daa87>] hugetlbfs_file_mmap+0x82/0x110 [<ffffffff81111557>] mmap_region+0x258/0x432 [<ffffffff811119dd>] do_mmap_pgoff+0x2ac/0x306 [<ffffffff81111b4f>] sys_mmap_pgoff+0x118/0x16a [<ffffffff8100c858>] sys_mmap+0x22/0x24 [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b -> #0 (&mm->mmap_sem){++++++}: [<ffffffff8108a4bc>] __lock_acquire+0xa1a/0xcf7 [<ffffffff8108ac26>] lock_acquire+0xbf/0x103 [<ffffffff81109541>] might_fault+0x89/0xac [<ffffffff81149cff>] filldir+0x6f/0xc7 [<ffffffff811586ea>] dcache_readdir+0x67/0x205 [<ffffffff81149f54>] vfs_readdir+0x7b/0xb4 [<ffffffff8114a073>] sys_getdents+0x7e/0xd1 [<ffffffff814e3ec2>] system_call_fastpath+0x16/0x1b This patch moves the directory vs file lockdep annotation into a helper function that can be called by in-memory filesystems and has hugetlbfs call it. Signed-off-by: NJosh Boyer <jwboyer@redhat.com> Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback由 Linus Torvalds 提交于
* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback: squeeze max-pause area and drop pass-good area
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils: cpupower: use man(1) when calling "cpupower help subcommand" cpupower: make NLS truly optional cpupower: fix Makefile typo cpupower: Make monitor command -c/--cpu aware cpupower: Better detect offlined CPUs cpupower: Do not show an empty Idle_Stats monitor if no idle driver is available cpupower: mperf monitor - Use TSC to calculate max frequency if possible cpupower: avoid using symlinks
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging由 Linus Torvalds 提交于
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: hwmon: (i5k_amb) Drop i5k_channel_pci_id hwmon: (ntc_thermistor) Simplify if sequence
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending由 Linus Torvalds 提交于
* '3.1-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (21 commits) target: Convert acl_node_lock to be IRQ-disabling target: Make locking in transport_deregister_session() IRQ safe tcm_fc: init/exit functions should not be protected by "#ifdef MODULE" target: Print subpage too for unhandled MODE SENSE pages iscsi-target: Fix iscsit_allocate_se_cmd_for_tmr failure path bugs iscsi-target: Implement iSCSI target IPv6 address printing. target: Fix task SGL chaining breakage with transport_allocate_data_tasks target: Fix task count > 1 handling breakage and use max_sector page alignment target: Add missing DATA_SG_IO transport_cmd_get_valid_sectors check target: Fix SYNCHRONIZE_CACHE zero LBA + range breakage target: Remove duplicate task completions in transport_emulate_control_cdb target: Fix WRITE_SAME usage with transport_get_size target: Add WRITE_SAME (10) parsing and refactor passthrough checks target: Fix write payload exception handling with ->new_cmd_map iscsi-target: forever loop bug in iscsit_attach_ooo_cmdsn() iscsi-target: remove duplicate return target: Convert target_core_rd.c to use use BUG_ON iscsi-target: Fix leak on failure in iscsi_copy_param_list() target: Use ERR_CAST inlined function target: Make standard INQUIRY return 'not connected' for tpg_virt_lun0 ...
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由 Andi Kleen 提交于
I ran into a couple of programs which broke with the new Linux 3.0 version. Some of those were binary only. I tried to use LD_PRELOAD to work around it, but it was quite difficult and in one case impossible because of a mix of 32bit and 64bit executables. For example, all kind of management software from HP doesnt work, unless we pretend to run a 2.6 kernel. $ uname -a Linux svivoipvnx001 3.0.0-08107-g97cd98f #1062 SMP Fri Aug 12 18:11:45 CEST 2011 i686 i686 i386 GNU/Linux $ hpacucli ctrl all show Error: No controllers detected. $ rpm -qf /usr/sbin/hpacucli hpacucli-8.75-12.0 Another notable case is that Python now reports "linux3" from sys.platform(); which in turn can break things that were checking sys.platform() == "linux2": https://bugzilla.mozilla.org/show_bug.cgi?id=664564 It seems pretty clear to me though it's a bug in the apps that are using '==' instead of .startswith(), but this allows us to unbreak broken programs. This patch adds a UNAME26 personality that makes the kernel report a 2.6.40+x version number instead. The x is the x in 3.x. I know this is somewhat ugly, but I didn't find a better workaround, and compatibility to existing programs is important. Some programs also read /proc/sys/kernel/osrelease. This can be worked around in user space with mount --bind (and a mount namespace) To use: wget ftp://ftp.kernel.org/pub/linux/kernel/people/ak/uname26/uname26.c gcc -o uname26 uname26.c ./uname26 program Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 25 8月, 2011 8 次提交
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由 Linus Torvalds 提交于
In commit a144c6a6 ("PM: Print a warning if firmware is requested when tasks are frozen") we not only printed a warning if somebody tried to load the firmware when tasks are frozen - we also failed the load. But that check was done before the check for built-in firmware, and then when we disallowed usermode helpers during bootup (commit 288d5abe: "Boot up with usermodehelper disabled"), that actually means that built-in modules can no longer load their firmware even if the firmware is built in too. Which used to work, and some people depended on it for the R100 driver. So move the test for usermodehelper_is_disabled() down, to after checking the built-in firmware. This should fix: https://bugzilla.kernel.org/show_bug.cgi?id=40952Reported-by: NJames Cloos <cloos@hjcloos.com> Bisected-by: NElimar Riesebieter <riesebie@lxtec.de> Cc: Michel Dänzer <michel@daenzer.net> Cc: Rafael Wysocki <rjw@sisk.pl> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.fluff.org/bjdooks/linux由 Linus Torvalds 提交于
* 'for-31-rc3/i2c-fixes' of git://git.fluff.org/bjdooks/linux: i2c-nomadik: fix kerneldoc warning Revert "i2c-omap: fix static suspend vs. runtime suspend" i2c-nomadik: Do not use _interruptible_ variant call
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由 Linus Walleij 提交于
There was a missing struct item in the kerneldoc, add it and fix another pretty-printing formatting issue with a missing space. Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wiimote: Add status and return request handlers HID: wiimote: Add drm request HID: wiimote: Register led class devices HID: wiimote: Correctly call HID open/close callbacks HID: wiimote: Simplify synchronization HID: usbhid: Add support for SiGma Micro chip HID: add support for new revision of Apple aluminum keyboard
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ad714x - read the interrupt status registers in a row Input: ad714x - use DMA-safe buffers for spi_write() Input: ad714x - fix endianness issues Input: ad714xx-spi - force SPI bus into the default 8-bit mode Input: ep93xx_keypad - add missing include of linux/module.h Input: tnetv107x-ts - add missing include of linux/module.h Input: max11801_ts - correct license statement Input: atmel_mxt_ts - report pressure information from the driver Input: bcm5974 - Add support for newer MacBookPro8,2 Input: wacom - report id 3 returns 4 bytes of data Input: wacom - add WAC_MSG_RETRIES define Input: wacom - add support for the Wacom Bamboo Pen (CTL-660/K) Input: tegra-kbc - correct call to input_free_device Input: mpu3050 - correct call to input_free_device Input: bcm5974 - add support for touchpads found in MacBookAir4,2 Input: mma8450 - fix module device table type Input: remove CLOCK_TICK_RATE from analog joystick driver
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message fuse: mark pages accessed when written to fuse: delete dead .write_begin and .write_end aops fuse: fix flock fuse: fix non-ANSI void function notation
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: Allow handling signals when stack is corrupted.
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits) bridge: fix a possible net_device leak net: Documentation: RFC 2553bis is now RFC 3493 atm: br2684: Fix oops due to skb->dev being NULL ipv6: Fix ipv6_getsockopt for IPV6_2292PKTOPTIONS net: netdev-features.txt update to Documentation/networking/00-INDEX vlan: reset headers on accel emulation path forcedeth: call vlan_mode only if hw supports vlans via-velocity: remove non-tagged packet filtering bonding:reset backup and inactive flag of slave net_sched: fix port mirror/redirect stats reporting sit tunnels: propagate IPv6 transport class to IPv4 Type of Service gianfar: reduce stack usage in gianfar_ethtool.c net: minor update to Documentation/networking/scaling.txt net: add missing entries to Documentation/networking/00-INDEX gianfar: prevent buggy hw rx vlan tagging net: sh_eth: Fix build by forgot including linux/interrupt.h drivers/net/can/sja1000/plx_pci.c: eliminate double free usbnet/cdc_ncm: Don't use stack variables for DMA vmxnet3: Don't enable vlan filters in promiscuous mode. iwlagn: sysfs couldn't find the priv pointer ...
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- 24 8月, 2011 12 次提交
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由 Jiri Kosina 提交于
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由 Miklos Szeredi 提交于
FUSE_NOTIFY_INVAL_ENTRY didn't check the length of the write so the message processing could overrun and result in a "kernel BUG at fs/fuse/dev.c:629!" Reported-by: NHan-Wen Nienhuys <hanwenn@gmail.com> Signed-off-by: NMiklos Szeredi <mszeredi@suse.cz> CC: stable@kernel.org
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由 Jean Delvare 提交于
Function i5k_channel_pci_id looks like it can fail, while a better code design would make it more obvious that it can't. We can even get rid of the function. Signed-off-by: NJean Delvare <khali@linux-fr.org> Acked-by: NDarrick J. Wong <djwong@us.ibm.com> Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>
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由 Linus Torvalds 提交于
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32, vdso: On system call restart after SYSENTER, use int $0x80 x86, UV: Remove UV delay in starting slave cpus x86, olpc: Wait for last byte of EC command to be accepted
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由 H. Peter Anvin 提交于
When we enter a 32-bit system call via SYSENTER or SYSCALL, we shuffle the arguments to match the int $0x80 calling convention. This was probably a design mistake, but it's what it is now. This causes errors if the system call as to be restarted. For SYSENTER, we have to invoke the instruction from the vdso as the return address is hardcoded. Accordingly, we can simply replace the jump in the vdso with an int $0x80 instruction and use the slower entry point for a post-restart. Suggested-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/CA%2B55aFztZ=r5wa0x26KJQxvZOaQq8s2v3u50wCyJcA-Sc4g8gQ@mail.gmail.com Cc: <stable@kernel.org>
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由 Ian Campbell 提交于
Fixes fallout due to the removal of the cast in commit aa462abe ("mm: fix __page_to_pfn for a const struct page argument") Signed-off-by: NIan Campbell <ian.campbell@citrix.com> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: NGeert Uytterhoeven <geert@linux-m68k.org> Cc: linux-m68k@lists.linux-m68k.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Kevin Hilman 提交于
This reverts commit adf6e079. Remove system PM methods which can race with runtime PM methods. Also, as of v3.1, the PM domain level code for OMAP handles device power state transistions automatically for devices, so drivers no longer need to specifically call the bus/pm_domain methods themselves. Signed-off-by: NKevin Hilman <khilman@ti.com> Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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由 srinidhi kasagar 提交于
If there is a signal pending and wait_for_completion_interruptible_timeout exited because of the -ERESTARTSYS error we are unable to send any more i2c messages. So, deprecate this _interruptible_ variant call. Signed-off-by: NSrinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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git://oss.sgi.com/xfs/xfs由 Linus Torvalds 提交于
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: fix tracing builds inside the source tree xfs: remove subdirectories xfs: don't expect xfs headers to be in subdirectories
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git://git.infradead.org/users/cbou/battery-3.1由 Linus Torvalds 提交于
* git://git.infradead.org/users/cbou/battery-3.1: s3c-adc-battery: Fix compilation error due to missing header (module.h) max8997_charger: Needs module.h max8998_charger: Needs module.h
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon: Extended DDC Probing for Toshiba L300D Radeon Mobility X1100 HDMI-A Connector drm/ttm: ensure ttm for new node is bound before calling move_notify() drm/ttm: unbind ttm before destroying node in accel move cleanup drm/ttm: fix ttm_bo_add_ttm(user) failure path drm/radeon: Make vramlimit parameter actually work. drm/radeon: Explicitly print GTT/VRAM offsets on test failure. drm/radeon: Take IH ring into account for test size calculation. drm/radeon/alpha: Add Alpha support to Radeon DRM code
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由 Linus Torvalds 提交于
This reverts commit f3637a5f. It turns out that this breaks several drivers, one example being OMAP boards which use the on-board OMAP UARTs and the omap-serial driver that will not boot to userspace after the commit. Paul Walmsley reports that enabling CONFIG_DEBUG_SHIRQ reveals 'IRQ handler type mismatch' errors: IRQ handler type mismatch for IRQ 74 current handler: serial idle ... and the reason is that setting IRQF_ONESHOT will now result in those interrupt handlers having different IRQF flags, and thus being unsharable. So the commit log in the reverted commit: "Since it is required for those users and there is no difference for others it makes sense to add this flag unconditionally." is simply not true: there may not be any difference from a "actions at irq time", but there is a *big* difference wrt this flag testing irq management (see __setup_irq() in kernel/irq/manage.c). One solution may be to stop verifying IRQF_ONESHOT in __setup_irq(), but right now the safe course of action is to revert the change. Let's revisit this in a later merge window. Reported-by: NPaul Walmsley <paul@pwsan.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Requested-by: NAlan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 8月, 2011 13 次提交
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由 Thomas Reim 提交于
Toshiba Satellite L300D with ATI Mobility Radeon X1100 sends data to i2c bus for a HDMI connector that is not implemented/existent on the notebook's board. Fix by applying extented DDC probing for this connector. Requires [PATCH] drm/radeon: Extended DDC Probing for Connectors with Improperly Wired DDC Lines Tested for kernel 2.6.38 on Toshiba Satellite L300D notebook BugLink: http://bugs.launchpad.net/bugs/826677Signed-off-by: NThomas Reim <reimth@gmail.com> Acked-by: NChris Routh <routhy@gmail.com> Cc: <stable@kernel.org> Reviewed-by: NAlex Deucher <alexander.deucher@amd.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 David Herrmann 提交于
The wiimote resets the current drm when an extension is plugged in. Fortunately, it also sends a status report in this situation so we just reset the drm on every status report to keep the drm consistent. Also handle return reports from the wiimote which indicate success and failure of requests that we've sent. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
The wiimote reports data in several data reporting modes (DRM). The DRM request makes the wiimote send data in the requested drm. The DRM mode can be set explicitely or can be chosen by the driver. To let the driver choose the DRM mode, pass WIIPROTO_REQ_NULL placeholder to it. This is no valid request and is replaced with an appropriate DRM. Currently, the driver always sets the basic DRM_K mode, but this will be extended when further peripherals like accelerometer and IR are supported. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
This registers 4 led devices to allow controlling the wiimote leds via standard LED sysfs API. It removes the four sysfs attributes so we don't have two APIs for one device. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
Even though the bluetooth hid backend does not react on open/close callbacks, we should call them to be consistent with other hid drivers. Also the new input open/close handlers will be used in future to prepare the wiimote device for IR/extension input. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
The new locking scheme in HID core allows us to remove a bit of synchronization. Since the HID layer acts synchronously we simply register input core last and there are no synchonization issues anymore. Also register sysfs files after that to simplify the code. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 Ben Skeggs 提交于
This was true for new TTM_PL_SYSTEM and new TTM_PL_TT cases, but wasn't the case on TTM_PL_SYSTEM<->TTM_PL_TT moves, which causes trouble on some paths as nouveau's move_notify() hook requires that the dma addresses be valid at this point. Signed-off-by: NBen Skeggs <bskeggs@redhat.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Ben Skeggs 提交于
Nouveau makes the assumption that if a TTM is bound there will be a mm_node around for it and the backwards ordering here resulted in a use-after-free on some eviction paths. Signed-off-by: NBen Skeggs <bskeggs@redhat.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Marcin Slusarz 提交于
ttm_tt_destroy kfrees passed object, so we need to nullify a reference to it. Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com> Cc: stable@kernel.org Reviewed-by: NThomas Hellstrom <thellstrom@vmware.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Jeremiah Matthey 提交于
Patch to add SiGma Micro-based keyboards (1c4f:0002) to hid-quirks. These keyboards dont seem to allow the records to be initialized, and hence a timeout occurs when the usbhid driver attempts to initialize them. The patch just adds the signature for these keyboards to the hid-quirks list with the setting HID_QUIRK_NO_INIT_REPORTS. This removes the 5-10 second wait for the timeout to occur. Signed-off-by: NJeremiah Matthey <sprg86@gmail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 Eric Dumazet 提交于
Jan Beulich reported a possible net_device leak in bridge code after commit bb900b27 (bridge: allow creating bridge devices with netlink) Reported-by: NJan Beulich <JBeulich@novell.com> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Acked-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Christoph Hellwig 提交于
The code really requires the current source directory to be in the header search path. We already do this if building with an object tree separate from the source, but it needs to be added manually if building inside the source. The cflags addition for it accidentally got removed when collapsing the xfs directory structure. Signed-off-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NDave Chinner <david@fromorbit.com> Signed-off-by: NAlex Elder <aelder@sgi.com>
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由 Guenter Roeck 提交于
Replace unnecessary if with else statement. This fixes the following (false) compile warning reported with some combinations of C compiler version and configuration. drivers/hwmon/ntc_thermistor.c: In function 'ntc_show_temp': drivers/hwmon/ntc_thermistor.c:225: warning: 'low' may be used uninitialized in this function drivers/hwmon/ntc_thermistor.c:225: note: 'low' was declared here drivers/hwmon/ntc_thermistor.c:225: warning: 'high' may be used uninitialized in this function drivers/hwmon/ntc_thermistor.c:225: note: 'high' was declared here drivers/hwmon/ntc_thermistor.c:294: warning: 'temp' may be used uninitialized in this function Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com> Acked-by: NJean Delvare <khali@linux-fr.org>
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