- 24 May, 2007 40 commits
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Li Yang authored
The patch fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=7482. It sets USB snooping on 4G space for PowerPC platforms without CONFIG_NOT_COHERENT_CACHE defined. Reported-by:
Stefan Meyer <reyems@telkomsa.net> Signed-off-by:
Li Yang <leoli@freescale.com> Cc: Greg KH <greg@kroah.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Randy Dunlap authored
Document the available clocksources per platform and move clocksource= into the correct (alpha) location in the file. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Acked-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Michael Halcrow authored
Delay writing 0's out in eCryptfs after a seek past the end of the file until data is actually written. http://www.opengroup.org/onlinepubs/009695399/functions/lseek.html ``The lseek() function shall not, by itself, extend the size of a file.'' Without this fix, applications that lseek() past the end of the file without writing will experience unexpected behavior. Signed-off-by:
Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by:
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Eric Sesterhenn / Snakebyte authored
Another coverity patch i forgot to resend, original thread here http://marc.info/?l=linux-kernel&m=115144559823592&w=2 In case drive == N_DRIVE, we get one past the drive_params array. Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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Nicolas Boichat authored
Add name file needed by lm_sensors user-space applications in applesmc sysfs tree. Cc: Soeren Sonnenburg <kernel@nn7.de> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by:
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Alan Stern authored
This patch (as875) adds error-checking to the callers of hisax_register(). It also changes an error pathway in that routine, making it return an error code rather than 0. This fixes Bugzilla #7960. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Acked-by:
Karsten Keil <kkeil@suse.de> Cc: Martin Bachem <info@colognechip.com> Signed-off-by:
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Domenico Andreoli authored
Final clearification of the pivot_root mechanism, which brings this document really up-to-date. Signed-off-by:
Domenico Andreoli <cavok@dandreoli.com> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by:
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NeilBrown authored
Adding a drive to a linear array seems to have stopped working, due to changes elsewhere in md, and insufficient ongoing testing... So the patch to make linear hot-add work in the first place introduced a subtle bug elsewhere that interracts poorly with older version of mdadm. This fixes it all up. Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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NeilBrown authored
It is possible that real data or metadata follows the bitmap without full page alignment. So limit the last write to be only the required number of bytes, rounded up to the hard sector size of the device. Signed-off-by:
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NeilBrown authored
If a raid0 has a component device larger than 4TB, and is accessed on a 32bit machines, then as 'chunk' is unsigned long, chunk << chunksize_bits can overflow (this can be as high as the size of the device in KB). chunk itself will not overflow (without triggering a BUG). So change 'chunk' to be 'sector_t, and get rid of the 'BUG' as it becomes impossible to hit. Cc: "Jeff Zheng" <Jeff.Zheng@endace.com> Signed-off-by:
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Stefan Richter authored
It's not sufficiently documented that CONFIG_HOTPLUG_CPU is required for suspend/hibernation on SMP. Point out the non-obvious. Signed-off-by:
Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by:
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Akinobu Mita authored
There is no reason i2o_max_drivers must be a power of two. This patch eliminates such a constraint. Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by:
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Akinobu Mita authored
Maximum number of I2O drivers which could be registered is configurable by max_drivers module parameter. But the module parameter is ignored and default value (I2O_MAX_DRIVERS = 8) is used in the loops to notify all registered drivers. Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by:
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Akinobu Mita authored
i2o_driver_register() initalizes event queue for driver only when drv->event is set. So similarly the event queue should be destroyed only when drv->event is set in the error path. Otherwise destroy_workqueue() will called with NULL. Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by:
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Davi Arnaut authored
Gathering signals in bulk enables server applications to drain a signal queue (almost full of realtime signals) more efficiently by reducing the syscall and file look-up overhead. Very similar to the sigtimedwait4() call described by Niels Provos, Chuck Lever, and Stephen Tweedie in a paper entitled "Analyzing the Overload Behavior of a Simple Web Server". The paper lists more details and advantages. Signed-off-by:
Davi E. M. Arnaut <davi@haxent.com.br> Acked-by:
Davide Libenzi <davidel@xmailserver.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Randy Dunlap authored
Update dontdiff file by adding entries from many .gitignore files. Signed-off-by:
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OGAWA Hirofumi authored
Fix sizeof(PAGE_SIZE) typo. It should be just PAGE_SIZE for zeroing the swsusp_header. Signed-off-by:
OGAWA Hirofumi <hogawa@miraclelinux.com> Signed-off-by:
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by:
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Jiri Slaby authored
phantom, take care of pci posting thanks to akpm for pointing this out Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Jiri Slaby authored
phantom's ioctl is often (4000 times a sec or so) invoked, don't acquire BKL and block other processes. Signed-off-by:
Jiri Slaby <xslaby@phantom.fi.muni.cz> Signed-off-by:
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Oleg Nesterov authored
cleanup_workqueue_thread() and cwq_should_stop() are overcomplicated. Convert the code to use kthread_should_stop/kthread_stop as was suggested by Gautham and Srivatsa. In particular this patch removes the (unlikely) busy-wait loop from the exit path, it was a temporary and ugly kludge (if not a bug). Note: the current code was designed to solve another old problem: work->func can't share locks with hotplug callbacks. I think this could be done, see http://marc.info/?l=linux-kernel&m=116905366428633 but this needs some more complications to preserve CPU affinity of cwq->thread during cpu_up(). A freezer-based hotplug looks more appealing. [akpm@linux-foundation.org: make it more tolerant of gcc borkenness] Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Cc: Zilvinas Valinskas <zilvinas@wilibox.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by:
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Jiri Slaby authored
An omitted unlock. Signed-off-by:
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Christoph Lameter authored
The check for super sized slabs where we can no longer move the free pointer behind the object for debugging purposes etc is accessing a field that is not setup yet. We must use objsize here since the size of the slab has not been determined yet. The effect of this is that a global slab shrink via "slabinfo -s" will show errors about offsets being wrong if booted with slub_debug. Potentially there are other troubles with huge slabs under slub_debug because the calculated free pointer offset is truncated. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Signed-off-by:
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Miklos Szeredi authored
mm/page_alloc.c:931: warning: 'setup_nr_node_ids' defined but not used This is now the only (!) compiler warning I get in my UML build :) Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Signed-off-by:
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Miklos Szeredi authored
When inode is dropped (no more references) delete it from cache. There's not much point in keeping it cached, when a new lookup will refresh the attributes anyway. Signed-off-by:
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Miklos Szeredi authored
This fixes O_APPEND in direct IO mode. Also checks writes against file size limits, notably rlimits. Reported by Greg Bruno. Signed-off-by:
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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:
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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:
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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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