- 22 5月, 2010 5 次提交
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由 Alan Stern 提交于
This patch (as1351) removes an unnecessary and unwanted assignment from device_initialize(). The wakeup flags are set to 0 along with everything else when the device structure is allocated, so we don't need to do it again. Furthermore, the subsystem might already have set these flags to their correct values; we don't want to override it. Signed-off-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Stefani Seibold 提交于
This patch fix a potential race condition in the driver_bound() function in the file driver/base/dd.c. The broadcast of the BUS_NOTIFY_BOUND_DRIVER notifier should be done after adding the new device to the driver list. Otherwise notifier listener will fail if they use functions like usb_find_interface(). The patch is against kernel 2.6.33. Please merge it. Signed-off-by: NStefani Seibold <stefani@seibold.net> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Rafael J. Wysocki 提交于
The messages from _request_firmware() informing that firmware is being requested or built-in firmware is going to be used are printed at KERN_INFO, which produces lots of noise on systems with huge numbers of AMD CPUs. Reduce the level of these messages to KERN_DEBUG to get rid of that noise. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 David Woodhouse 提交于
fix memory leak introduced by the patch 6e03a201: firmware: speed up request_firmware() 1. vfree won't release pages there were allocated explicitly and mapped using vmap. The memory has to be vunmap-ed and the pages needs to be freed explicitly 2. page array is moved into the 'struct firmware' so that we can free it from release_firmware() and not only in fw_dev_release() The fix doesn't break the firmware load speed. Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Singed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com> Signed-off-by: NTomas Winkler <tomas.winkler@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Jan Beulich 提交于
Without CONFIG_CPUMASK_OFFSTACK, simply inverting cpu_online_mask leads to CPUs beyond nr_cpu_ids to be displayed twice and CPUs not even possible to be displayed as offline. Signed-off-by: NJan Beulich <jbeulich@novell.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Cc: stable <stable@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 18 5月, 2010 1 次提交
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由 Geert Uytterhoeven 提交于
Make the platform resource input parameters of platform_device_add_resources() and platform_device_register_simple() const, as the resources are copied and never modified. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Acked-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 13 5月, 2010 1 次提交
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由 Paul Mundt 提交于
The early dev_name() setup needs to do an allocation which can only be satisfied under slab_is_available() conditions. Some of the early platform drivers may be initialized before this point, and those still need to contend themselves with an empty dev_name. This fixes up a regression with the SH earlyprintk which was bailing out prior to hitting the early probe path due to not being able to satisfy the early allocation. Other early platform drivers (such as the early timers) that need to match the dev name are sufficiently late that allocations are already possible. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 11 5月, 2010 3 次提交
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由 Mark Brown 提交于
Currently the default runtime PM callbacks for platform devices return -ENOSYS, preventing the use of runtime PM platforms until they have provided at least a default implementation. This hinders the use of runtime PM by devices which work with many platforms such as memory mapped devices, MFDs and on chip IPs shared by multiple architectures. Change the default implementation to the standard pm_generic_runtime one, allowing drivers to use runtime PM without per-architecture changes. Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: NGreg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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由 Dominik Brodowski 提交于
Add a few sysfs files relating to runtime power management for advanced debug purposes: runtime_enabled: is runtime PM enabled for this device? States are "enabled", "disabled", "forbidden" or a combination of the latter two. runtime_status: what state is the device in currently? E.g., it reports "suspended" for runtime-suspended devices, and "active" for active devices. NOTE: if runtime_enabled returns "disabled", the value of this file may not reflect its physical state. runtime_usage: the runtime PM usage count of a device runtime_active_kids: the runtime PM children usage count of a device, or 0 if the ignore_children flag is set. Also, CONFIG_PM_SLEEP_ADVANCED_DEBUG is not defined in any Kconfig file, so replace it with CONFIG_PM_ADVANCED_DEBUG. Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net> Acked-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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由 Alan Stern 提交于
This patch (as1361) changes the runtime PM interface slightly; it allows suspend requests to be scheduled while the runtime_suspend method is running. If the method succeeds then the scheduled request is cancelled, whereas if the method fails then an idle notification is sent only if no request was scheduled. Being able to schedule suspend requests from within a runtime_suspend method is useful for drivers that need to test for idleness and suspend the device all while holding a single spinlock, or for drivers that want to check for idleness by polling. Signed-off-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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- 10 4月, 2010 1 次提交
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由 Linus Torvalds 提交于
This reverts commit ba168fc3. It changes user-visible sysfs interfaces, and breaks some existing user space applications which apparently rely on the fact that the output does not contain the "0x" prefix. Requested-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Acked-by: NKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: NWu Fengguang <fengguang.wu@intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 07 4月, 2010 1 次提交
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由 Tejun Heo 提交于
NODEMASK_ALLOC/FREE are mapped to kmalloc/free if NODES_SHIFT > 8. Among its several users, drivers/base/node.c wasn't including slab.h leading to build failure if NODES_SHIFT > 8. Include slab.h from drivers/base/node.c. This isn't an ideal solution but including slab.h directly from nodemask.h is not an option because nodemask.h gets included everywhere. For now, make it work by including slab.h from its users. Signed-off-by: NTejun Heo <tj@kernel.org> Reported-by: NIngo Molnar <mingo@elte.hu>
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- 30 3月, 2010 1 次提交
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由 Tejun Heo 提交于
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: NTejun Heo <tj@kernel.org> Guess-its-ok-by: NChristoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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- 29 3月, 2010 1 次提交
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由 Paul Mundt 提交于
This is just a simple refactoring patch on top of the early dev_name() support, converting from kstrdup() to kasprintf() as suggested by Kay. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 28 3月, 2010 1 次提交
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由 James Bottomley 提交于
All of the SCSI transport classes are suddenly spitting lockdep warnings. According to Eric Biderman this is because lockdep needs static initialisers and the attribute container way of doing things end up with dynamic sysfs attributes. Fix this by calling sysfs_attr_init which sets the lockdep key correctly. Tested-by: NChristof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>
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- 24 3月, 2010 1 次提交
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由 Dominik Brodowski 提交于
The new-style dev_pm_ops provide callbacks for both IRQs enabled and disabled. However, the _noirq variants were only called for buses registered with a device, not for classes and types. In order to properly use dev_pm_ops in class pcmcia_socket_class, support _noirq actions also on classes and types. Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net> Acked-by: NRafael J. Wysocki <rjw@sisk.pl>
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- 19 3月, 2010 6 次提交
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由 David Rientjes 提交于
node_read_distance() has a BUILD_BUG_ON() to prevent buffer overruns when the number of nodes printed will exceed the buffer length. Each node only needs four chars: three for distance (maximum distance is 255) and one for a seperating space or a trailing newline. Signed-off-by: NDavid Rientjes <rientjes@google.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Jani Nikula 提交于
A number of functions in the driver core return ERR_PTR() values on error. Document this in the kernel-doc of the functions. Signed-off-by: NJani Nikula <ext-jani.1.nikula@nokia.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Stephen Rothwell 提交于
This fixes these warnings: drivers/base/cpu.c:264: warning: initialization from incompatible pointer type drivers/base/cpu.c:265: warning: initialization from incompatible pointer type Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Randy Dunlap 提交于
Fix kernel-doc warning in firmware_class.c: Warning(drivers/base/firmware_class.c:94): No description found for parameter 'attr' Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Magnus Damm 提交于
This patch updates the kernel-doc notation for early platform functions. Signed-off-by: NMagnus Damm <damm@opensource.se> Acked-by: NRandy Dunlap <rdunlap@xenotime.net> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Jiri Kosina 提交于
Annotate dynamic sysfs attribute in fw_setup_device(). This gets rid of the following lockdep warning: bnx2 0000:08:00.0: firmware: requesting bnx2/bnx2-mips-06-5.0.0.j6.fw BUG: key ffff880008293470 not in .data! ------------[ cut here ]------------ WARNING: at kernel/lockdep.c:2706 lockdep_init_map+0x562/0x620() Modules linked in: bnx2(+) sg tpm_bios floppy rtc_lib usb_storage i2c_piix4 joydev button container shpchp i2c_core sr_mod cdrom pci_hotplug usbhid hid ohci_hcd ehci_hcd sd_mod usbcore edd ext3 mbcache jbd fan ata_generic sata_svw pata_serverworks libata scsi_mod thermal processor Pid: 1915, comm: work_for_cpu Not tainted 2.6.34-rc1-default #81 Call Trace: [<ffffffff8107c1d2>] ? lockdep_init_map+0x562/0x620 [<ffffffff81049fd8>] warn_slowpath_common+0x78/0xd0 [<ffffffff8104a03f>] warn_slowpath_null+0xf/0x20 [<ffffffff8107c1d2>] lockdep_init_map+0x562/0x620 [<ffffffff8117a236>] ? sysfs_new_dirent+0x76/0x120 [<ffffffff8126edb2>] ? put_device+0x12/0x20 [<ffffffff811797cc>] sysfs_add_file_mode+0x6c/0xd0 [<ffffffff8117983c>] sysfs_add_file+0xc/0x10 [<ffffffff8117bf61>] sysfs_create_bin_file+0x21/0x30 [<ffffffff81279c61>] _request_firmware+0x2f1/0x650 [<ffffffff8127a04e>] request_firmware+0xe/0x10 [<ffffffffa01ec19e>] bnx2_init_one+0x8f5/0x177e [bnx2] [<ffffffff81389eab>] ? _raw_spin_unlock_irq+0x2b/0x40 [<ffffffff81040ed9>] ? finish_task_switch+0x69/0x100 [<ffffffff81040e70>] ? finish_task_switch+0x0/0x100 [<ffffffff81064b40>] ? do_work_for_cpu+0x0/0x30 [<ffffffff811e6302>] local_pci_probe+0x12/0x20 [<ffffffff81064b53>] do_work_for_cpu+0x13/0x30 [<ffffffff81064b40>] ? do_work_for_cpu+0x0/0x30 [<ffffffff81068c56>] kthread+0x96/0xa0 [<ffffffff81003e64>] kernel_thread_helper+0x4/0x10 [<ffffffff8138a350>] ? restore_args+0x0/0x30 [<ffffffff81068bc0>] ? kthread+0x0/0xa0 [<ffffffff81003e60>] ? kernel_thread_helper+0x0/0x10 ---[ end trace a2ecee9c9602d195 ]--- Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: NJiri Kosina <jkosina@suse.cz> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 18 3月, 2010 1 次提交
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由 Heiko Carstens 提交于
/sys/devices/system/memory/memoryX/phys_device is supposed to contain the number of the physical device that the corresponding piece of memory belongs to. In case a physical device should be replaced or taken offline for whatever reason it is necessary to set all corresponding memory pieces offline. The current implementation always sets phys_device to '0' and there is no way or hook to change that. Seems like there was a plan to implement that but it wasn't finished for whatever reason. So add a weak function which architectures can override to actually set the phys_device from within add_memory_block(). Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 10 3月, 2010 1 次提交
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由 Paul Mundt 提交于
Presently early platform devices suffer from the fact they are unable to use dev_xxx() calls early on due to dev_name() and others being unavailable at the time ->probe() is called. This implements early init_name construction from the matched name/id pair following the semantics of the late device/driver match. As a result, matched IDs (inclusive of requested ones) are preserved when the handoff from the early platform code happens at kobject initialization time. Since we still require kmalloc slabs to be available at this point, using kstrdup() for establishing the init_name works fine. This subsequently needs to be tested from dev_name() prior to the init_name being cleared by the driver core. We don't kfree() since others will already have a handle on the string long before the kobject initialization takes place. This is also needed to permit drivers to use the clock framework early, without having to manually construct their own device IDs from the match id/name pair locally (needed by the early console and timer code on sh and arm). Signed-off-by: NPaul Mundt <lethal@linux-sh.org> Acked-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 08 3月, 2010 16 次提交
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由 Greg Kroah-Hartman 提交于
In the future, we are going to be changing the lock type for struct device (once we get the lockdep infrastructure properly worked out) To make that changeover easier, and to possibly burry the lock in a different part of struct device, let's create some functions to lock and unlock a device so that no out-of-core code needs to be changed in the future. This patch creates the device_lock/unlock/trylock() functions, and converts all in-tree users to them. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jean Delvare <khali@linux-fr.org> Cc: Dave Young <hidave.darkstar@gmail.com> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Phil Carmody <ext-phil.2.carmody@nokia.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Magnus Damm <damm@igel.co.jp> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Alex Chiang <achiang@hp.com> Cc: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrew Patterson <andrew.patterson@hp.com> Cc: Yu Zhao <yu.zhao@intel.com> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: CHENG Renquan <rqcheng@smu.edu.sg> Cc: Oliver Neukum <oliver@neukum.org> Cc: Frans Pop <elendil@planet.nl> Cc: David Vrabel <david.vrabel@csr.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Eric W. Biederman 提交于
Don't open code the renaming of symlinks in sysfs instead use the new helper function sysfs_rename_link Acked-by: NTejun Heo <tj@kernel.org> Acked-by: NSerge Hallyn <serue@us.ibm.com> Signed-off-by: NEric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Ben Hutchings 提交于
The function name must be followed by a space, hypen, space, and a short description. Signed-off-by: NBen Hutchings <ben@decadent.org.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Uwe Kleine-König 提交于
This fixes a warning on several pxa based machines: arch/arm/mach-pxa/ssp.c:475: warning: initialization discards qualifiers from pointer target type Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: NVikram Dhillon <dhillonv10@gmail.com> Acked-by: NEric Miao <eric.y.miao@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Emese Revfy 提交于
Constify struct sysfs_ops. This is part of the ops structure constification effort started by Arjan van de Ven et al. Benefits of this constification: * prevents modification of data that is shared (referenced) by many other structure instances at runtime * detects/prevents accidental (but not intentional) modification attempts on archs that enforce read-only kernel data at runtime * potentially better optimized code as the compiler can assume that the const data cannot be changed * the compiler/linker move const data into .rodata and therefore exclude them from false sharing Signed-off-by: NEmese Revfy <re.emese@gmail.com> Acked-by: NDavid Teigland <teigland@redhat.com> Acked-by: NMatt Domsch <Matt_Domsch@dell.com> Acked-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Acked-by: NHans J. Koch <hjk@linutronix.de> Acked-by: NPekka Enberg <penberg@cs.helsinki.fi> Acked-by: NJens Axboe <jens.axboe@oracle.com> Acked-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Greg Kroah-Hartman 提交于
These should be sysdev attributes, not class attributes. This patch should resolve the problem. Thanks to Stephen Rothwell for pointing out the problem. Reported-by: NStephen Rothwell <sfr@canb.auug.org.au> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Emese Revfy 提交于
Constify struct kset_uevent_ops. This is part of the ops structure constification effort started by Arjan van de Ven et al. Benefits of this constification: * prevents modification of data that is shared (referenced) by many other structure instances at runtime * detects/prevents accidental (but not intentional) modification attempts on archs that enforce read-only kernel data at runtime * potentially better optimized code as the compiler can assume that the const data cannot be changed * the compiler/linker move const data into .rodata and therefore exclude them from false sharing Signed-off-by: NEmese Revfy <re.emese@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Luis R. Rodriguez 提交于
base.h is used by base drivers for sharing internal structures. Turns out firmware_class does not depend on it at all so remove it. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com> Acked-by: NMarcel Holtmann <marcel@holtmann.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Kay Sievers 提交于
No longer fall back to "add" and warn, but always require a valid action-string written to the "uevent" file. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Kay Sievers 提交于
No recent mainstream system uses the /sbin/hotplug fork-bomb any more. Disable it by default to reflect how it is used these days. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Kay Sievers 提交于
All major distros enable devtmpfs on recent systems, so remove the EXPERIMENTAL flag, and make the description a bit more instructive. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Kay Sievers 提交于
Before unlinking the inode, reset the current permissions of possible references like hardlinks, so granted permissions can not be retained across the device lifetime by creating hardlinks, in the unusual case that there is a user-writable directory on the same filesystem. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Cc: stable <stable@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Andi Kleen 提交于
Several drivers just export a static string as class attributes. Use the new extensible attribute support to define a simple CLASS_ATTR_STRING() macro for this. This will allow to remove code from drivers in followon patches. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Andi Kleen 提交于
Passing the attribute to the low level IO functions allows all kinds of cleanups, by sharing low level IO code without requiring an own function for every piece of data. Also drivers can extend the attributes with own data fields and use that in the low level function. This makes the class attributes the same as sysdev_class attributes and plain attributes. This will allow further cleanups in drivers. Full tree sweep converting all users. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Andi Kleen 提交于
This attribute is really a sysdev_class attribute, not a plain class attribute. They are identical in layout currently, but this might not always be the case. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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由 Andi Kleen 提交于
Convert the node driver to sysdev_class attribute arrays. This greatly cleans up the code and remove a lot of code. Saves ~150 bytes of code on x86-64. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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