- 24 May, 2007 37 commits
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Christoph Hellwig authored
We don't allow loading ELF shared library from noexec points so the same should apply to sys_uselib aswell. Signed-off-by:
Christoph Hellwig <hch@lst.de> Cc: Ulrich Drepper <drepper@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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David Woodhouse authored
In stree.c, MIN_KEY is declared const. The extern declaration in dir.c doesn't match... Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Sascha Hauer authored
info->pseudo_palette was previously kmalloced. Do not overwrite it afterwards Signed-off-by:
Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:
Antonino Daplas <adaplas@gmail.com> Signed-off-by:
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Sascha Hauer authored
Here are some small fixes for the imxfb framebuffer driver: - remove ifndef for MX1FS2 platform which is not present in the kernel. - REV, CLS, PS and SPL_SPR are only needed with some sharp displays. Only setup the corresponding io pins when such a display is connected. Signed-off-by:
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Geert Uytterhoeven authored
ps3fb: Use the FB_SYS_* operations instead of the FB_CFB_* operations as the actual frame buffer memory is part of system RAM Signed-off-by:
Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by:
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Richard Purdie authored
Fix compile warnings from w100fb.c. Attribute registration failure doesn't stop the driver working so just warn about it. Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Krzysztof Helt authored
- fix 16-bit RGBA 4444 and 5551 modes (use fbset -rgba to set them) - kill wmb() after each register write by PM3_SLOW_WRITE_REG - kill inaccurate comments (leftovers from skeletonfb.c) - kill PCI class restriction, now it is more general and shorter - white spaces and other minor fixes and source reducing Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by:
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Krzysztof Helt authored
This patch fixes a possible barriers problem in RDAC_WR functions, then remove redudant ones. It also removes one unneeded register load from blitter function(). Signed-off-by:
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Krzysztof Helt authored
This patch puts all SBUS/UPA selection under one option "SBUS/UPA framebuffers" and moves all sparc specific drivers next to them in one group. Signed-off-by:
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Florin Malita authored
'ioc' should be deallocated if __copy_from_user fails (found by Coverity - CID 1644). Signed-off-by:
Florin Malita <fmalita@gmail.com> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Badari Pulavarty authored
Optimize select by a using stack space for small fd sets. core_sys_select() already has this optimization. This is for compat version. Signed-off-by:
Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by:
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Roland McGrath authored
Steve Hawkes discovered a problem where recalc_sigpending_tsk was called in do_sigaction but no signal_wake_up call was made, preventing later signals from waking up blocked threads with TIF_SIGPENDING already set. In fact, the few other calls to recalc_sigpending_tsk outside the signals code are also subject to this problem in other race conditions. This change makes recalc_sigpending_tsk private to the signals code. It changes the outside calls, as well as do_sigaction, to use the new recalc_sigpending_and_wake instead. Signed-off-by:
Roland McGrath <roland@redhat.com> Cc: <Steve.Hawkes@motorola.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Ben Collins authored
kmalloc for flush_words resulted in zero size allocation when no k8_northbridges existed. Short circuit the code path for this case. Also remove uneeded zeroing of num_k8_northbridges just after checking if it is zero. Signed-off-by:
Ben Collins <bcollins@ubuntu.com> Cc: Andi Kleen <ak@suse.de> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by:
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Robert P. J. Day authored
Fix the obvious errors in the explanation of Kconfig files. Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Paul E. McKenney authored
There have been a number of instances where people have accidentally compiled rcutorture into the kernel (CONFIG_RCU_TORTURE_TEST=y), which has never been useful, and has often resulted in great frustration. The attached patch prohibits rcutorture from being compiled into the kernel. It may be excluded altogether or compiled as a module. People wishing to have rcutorture hammer their machine immediately upon boot are free to hand-edit lib/Kconfig.debug to remove the "depends on m" line. Thanks to Randy Dunlap for the trick that makes this work. Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by:
Josh Triplett <josh@kernel.org> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by:
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Jeff Dike authored
Make the PTRACE_SYSEMU checking more robust. It will make sure that system call numbers are reported correctly. If there is a problem, it will disable PTRACE_SYSEMU use and use PTRACE_SYSCALL instead. Thanks to Balaji G for helping reproduce this problem. Signed-off-by:
Jeff Dike <jdike@linux.intel.com> Signed-off-by:
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Domen Puncer authored
Message size needs to be checked before copying, or bad things could happen. Signed-off-by:
Domen Puncer <domen.puncer@telargo.com> Signed-off-by:
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Andrew Morton authored
include/linux/capability.h:397: warning: "struct task_struct" declared inside parameter list include/linux/capability.h:397: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by:
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Kristen Carlson Accardi authored
Send an uevent to user space to indicate that a media change event has occurred. Signed-off-by:
Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by:
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Kristen Carlson Accardi authored
Allow user space to determine if a disk supports Asynchronous Notification of media changes. This is done by adding a new sysfs file "capability_flags", which is documented in (insert file name). This sysfs file will export all disk capabilities flags to user space. We also define a new flag to define the media change notification capability. Signed-off-by:
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Thomas Gleixner authored
The warning in the NOHZ code, which triggers when a CPU goes idle with softirqs pending can fill up the logs quite quickly. Rate limit the output until we found the root cause of that problem. Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Cc: <stable@kernel.org> Signed-off-by:
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David Brownell authored
Update the SPI documentation to cover a few points that have proven to be confusing or unclear; most notably the two clock mode bits. Signed-off-by:
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Domen Puncer authored
Fix mpc5200 PSC SPI driver to actually work for CONFIG_PPC_MERGE - s/mpc52xx/mpc5200/, as this was changed in device tree some time ago - fix spi id detection The move from 'ppc' to 'powerpc' didn't quite match the latest kernel.org code. Signed-off-by:
Dragos Carp <dragos.carp@toptica.com> Acked-by:
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Miklos Szeredi authored
The wrong lookup flag was tested in ->create() causing havoc (error or Oops) when a regular file was created with mknod() in a fuse filesystem. Thanks to J. Cameijo Cerdeira for the report. Kernels 2.6.18 onward are affected. Please apply to -stable as well. Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: <stable@kernel.org> Signed-off-by:
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Christoph Lameter authored
The object size calculation is wrong if !CONFIG_SLUB_DEBUG because the #ifdef CONFIG_SLUB_DEBUG is now switching off the size adjustments for DESTROY_BY_RCU and ctor. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Acked-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Thomas Gleixner authored
Booting a SMP kernel with maxcpus=1 on a SMP system leads to a hard hang, because ACPI ignores the maxcpus setting and sends timer broadcast info for the offline CPUs. This results in a stuck for ever call to smp_call_function_single() on an offline CPU. Ignore the bogus information and print a kernel error to remind ACPI folks to fix it. Signed-off-by:
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Gautham R Shenoy authored
Other than refrigerator, no one else calls frozen_process(). So move it from include/linux/freezer.h to kernel/power/process.c. Also, since a task can be marked as frozen by itself, we don't need to pass the (struct task_struct *p) parameter to frozen_process(). Signed-off-by:
Gautham R Shenoy <ego@in.ibm.com> Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Gautham R Shenoy authored
This patch fixes the race pointed out by Oleg Nesterov. * Freezer marks a thread as freezeable. * The thread now marks itself PF_NOFREEZE, but it will be frozen on on calling try_to_freeze(). Thus the task is frozen, even though it doesn't want to. * Subsequent thaw_processes() will also fail to thaw the task since it is marked PF_NOFREEZE. Avoid this problem by checking the task's PF_NOFREEZE status in frozen_processes() before marking the task as frozen. Signed-off-by:
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Oleg Nesterov authored
kthread() sleeps in TASK_INTERRUPTIBLE state waiting for the first wakeup. In theory, this wakeup may come from freeze_process()->signal_wake_up(), so the task can disappear even before kthread_create() sets its ->comm. Change kthread() to use TASK_UNINTERRUPTIBLE. [akpm@linux-foundation.org: s/BUG_ON/WARN_ON+recover] Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Acked-by:
"Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Rafael J. Wysocki authored
Kernel threads can become userland processes by calling kernel_execve(). In particular, this may happen right after the try_to_freeze_tasks() called with FREEZER_USER_SPACE has returned, so try_to_freeze_tasks() needs to take userspace processes into consideration even if it is called with FREEZER_KERNEL_THREADS. Signed-off-by:
Pavel Machek <pavel@ucw.cz> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Rafael J. Wysocki authored
Currently try_to_freeze_tasks() has to wait until all of the vforked processes exit and for this reason every user can make it fail. To fix this problem we can introduce the additional process flag PF_FREEZER_SKIP to be used by tasks that do not want to be counted as freezable by the freezer and want to have TIF_FREEZE set nevertheless. Then, this flag can be set by tasks using sys_vfork() before they call wait_for_completion(&vfork) and cleared after they have woken up. After clearing it, the tasks should call try_to_freeze() as soon as possible. Signed-off-by:
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Rafael J. Wysocki authored
If the freezing of tasks fails and a task is preempted in refrigerator() before calling frozen_process(), then thaw_tasks() may run before this task is frozen. In that case the task will freeze and no one will thaw it. To fix this race we can call freezing(current) in refrigerator() along with frozen_process(current) under the task_lock() which also should be taken in the error path of try_to_freeze_tasks() as well as in thaw_process(). Moreover, if thaw_process() additionally clears TIF_FREEZE for tasks that are not frozen, we can be sure that all tasks are thawed and there are no pending "freeze" requests after thaw_tasks() has run. Signed-off-by:
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Andrew Morton authored
gcc-4.3: drivers/ide/pci/serverworks.c: In function 'svwks_tune_chipset': drivers/ide/pci/serverworks.c:176: warning: overflow in implicit constant conversion drivers/ide/pci/serverworks.c:190: warning: overflow in implicit constant conversion drivers/ide/pci/serverworks.c:211: warning: overflow in implicit constant conversion drivers/ide/pci/serverworks.c:212: warning: overflow in implicit constant conversion Signed-off-by:
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Junio C Hamano authored
There are a few entries in ata_device_blacklist[] in libata-core.c marked with HORKAGE_NODMA but are missing from drive_blacklist[] in ide-dma.c. This patch makes the lists in sync. Also remove a duplicated entry for "SanDisk SDP3B-64". Signed-off-by:
Junio C Hamano <junkio@cox.net> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Dave Jones <davej@redhat.com> Signed-off-by:
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Mika Kukkonen authored
Compiling with '-Wswitch-enum' I noticed following: CC drivers/ide/ide-proc.o drivers/ide/ide-proc.c: In function âproc_ide_read_imodelâ: drivers/ide/ide-proc.c:54: warning: enumeration value âide_etrax100â not handled in switch drivers/ide/ide-proc.c:54: warning: enumeration value âide_acornâ not handled in switch How about the following patch? Signed-off-by:
Mika Kukkonen <mikukkon@iki.fi> Signed-off-by:
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Alan Cox authored
It turns out from customer reports to Red Hat and some PCI dumps that the MegaIDE in RAID mode doesn't provide the drive tuning data that the serverworks driver expects but sometimes does provide something that fools the code. For the RAID class case skip the oem setup and don't trust the BIOS data. We then tune from scratch and this sorts it out. (This has been confirmed on an afflicted IBM blade) [libata serverworks.c never trusts the BIOS in the first place so is accidentally immune] Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Henry Su authored
Add the IDE device ID to atiixp_pci_tbl struct in atiixp.c for ATI SB700. From: Henry Su <henry.su@amd.com> Signed-off-by:
Luugi Marsan <luugi.marsan@amd.com> Signed-off-by:
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- 23 May, 2007 3 commits
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Linus Torvalds authored
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [RTNETLINK]: Remove remains of wireless extensions over rtnetlink [RTNETLINK]: Allow changing of subsets of netdevice flags in rtnl_setlink [AF_RXRPC]: Make call state names available if CONFIG_PROC_FS=n [AF_RXRPC]: AF_RXRPC depends on IPv4 [IPSEC]: Fix warnings with casting int to pointer
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (29 commits) USB: Add support for Olimex arm-usb-ocd JTAG interface serial port USB: Add support for Sierra Wireless Aircard 595U USB: ldusb bugfix USB: ftdi_sio: Add USB Product Id for OpenDCC USB: fix ratelimit call semantics USB: handle errors in power/level attribute USB: make the autosuspend workqueue thread freezable USB: Fix USB OHCI Subvendor for Toshiba Portege 4000 USB: usblp: Use correct DMA address in case of probe error USB: Fix debug output of ark3116 USB: Onetouch - switch to using input_dev->dev.parent USB: don't try to kzalloc 0 bytes USB: remove short initial timeout for device descriptor fetch USB: Deref URB after usbmon is done with it USB: Remove duplicate IDs from option card driver USB: auerswald: fix file release handler USB: fsl_usb2_udc: Fix UMTI_WIDE support and a compile warning USB: set the correct Interrupt interval in usb_bulk_msg USB: New device PID for ftdi_sio driver USB: remove unneeded WARN_ON ...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ads7846 - SPI_CPHA mode bugfix Input: ads7846 - document that it handles tsc2046 too Input: input-polldev - add module info Input: ucb1x00-ts - remove commented out code Input: ucb1400_ts - use sched_setscheduler() Input: ALPS - force stream mode Input: iforce - minor clean-ups Input: iforce - fix force feedback not working Input: adbhid - do not access input_dev->private directly Input: logips2pp - add type 72 (PS/2 TrackMan Marble)
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