- 13 May, 2008 40 commits
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Paul Jackson authored
They aren't used. They were briefly used as part of some other patches to provide an alternative format for displaying some /proc and /sys cpumasks. They probably should have been removed when those other patches were dropped, in favor of a different solution. Signed-off-by:
Paul Jackson <pj@sgi.com> Cc: "Mike Travis" <travis@sgi.com> Cc: "Bert Wesarg" <bert.wesarg@googlemail.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Geert Uytterhoeven authored
CONFIG_FB_DEFERRED_IO can not be turned off, while it's already selected automatically by the drivers that need it. Although it's nice to have more compile-coverage, not being able to disable a rarely used feature is annoying. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by:
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Nicolas Ferre authored
Fix divider calculation and allow CLKVAL = 0 (divisor 2) It was not possible to get the clock value 0 (divisor 2) because the test "<=0" force the BYPASS bit to be activated instead. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Per Hedblom <per.hedblom@abem.se> Cc: Roel Kluin <12o3l@tiscali.nl> Cc: Jan Weber <jw022609@uni-greifswald.de> Cc: Andrew Victor <linux@maxim.org.za> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by:
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Maciej W. Rozycki authored
The input argument to rtc_time_to_tm() is unsigned as well as are members of the output structure. However signed arithmetic is used within for calculations leading to incorrect results for input values outside the signed positive range. If this happens the time of day returned is out of range. Found the problem when fiddling with the RTC and the driver where year was set to an unexpectedly large value like 2070, e.g.: rtc0: setting system clock to 2070-01-01 1193046:71582832:26 UTC (3155760954) while it should be: rtc0: setting system clock to 2070-01-01 00:15:54 UTC (3155760954) Changing types to unsigned fixes the problem. [akpm@linux-foundation.org: remove old-fashioned `register' keyword] Signed-off-by:
Maciej W. Rozycki <macro@linux-mips.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Dmitri Vorobiev <dmitri.vorobiev@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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Greg Ungerer authored
Include the missing kcrctab and kcrctab_unused sections into the m68knommu linker script. Signed-off-by:
Greg Ungerer <gerg@uclinux.org> Signed-off-by:
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Cyrill Gorcunov authored
There is an ability to lose an initcall return value if it happened with irq disabled or imbalanced preemption (and if we debug initcall). Signed-off-by:
Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by:
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Jordan Crouse authored
Update the Geode list location in the MAINTAINERS file. Signed-off-by:
Jordan Crouse <jordan.crouse@amd.com> Signed-off-by:
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Eric Sesterhenn authored
Fix an oops with a corrupted hfs+ image. See http://bugzilla.kernel.org/show_bug.cgi?id=10548 for details. Problem is that we call hfs_btree_open() from hfsplus_fill_super() to set HFSPLUS_SB(sb).[ext_tree|cat_tree] Both trees are still NULL at this moment. If hfs_btree_open() fails for any reason it calls iput() on the page, which gets to hfsplus_releasepage() which tries to access HFSPLUS_SB(sb).* which is still NULL and oopses while dereferencing it. [akpm@linux-foundation.org: build fix] Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Mel Gorman authored
PA-RISC to aid debugging prints out the zonelists setup by the system. A bad call to node_zonelist() breaks at compile-time. This patch fixes it. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Cc: Christoph Lameter <clameter@sgi.com> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Bjorn Helgaas authored
We have to set the ISAPNP register index when setting an IRQ via the sysfs interface. We already do it for IO, MEM, and DMA resources; I just missed the IRQ one. Signed-off-by:
Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by:
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Robert P. J. Day authored
This would appear to be the last reference to TOPDIR in the entire tree, after which i'm guessing that variable can be dropped. Signed-off-by:
Robert P. J. Day <rpjday@crashcourse.ca> Acked-by:
David Howells <dhowells@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Julia Lawall authored
The function framebuffer_release just calls kfree, so calling kfree subsequently on the same argument represents a double free. The comments with the definition of framebuffer_release in drivers/video/fbsysfs.c suggest that a more elaborate definition of this function is planned, such that the splitting up of framebuffer_release and kfree as done in the second instance might someday make sense, but it does not make sense now. This was found using the following semantic match. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression E; @@ * kfree(E); ... * framebuffer_release(E); @@ expression E; @@ * framebuffer_release(E); ... * kfree(E); // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Cc: Vitaly Wool <vitalywool@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com> Cc: Antonino Daplas <adaplas@gmail.com> Signed-off-by:
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Denis Cheng authored
Signed-off-by:
Denis Cheng <crquan@gmail.com> Signed-off-by:
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Darrick J. Wong authored
Add a sentence about when fan speed increases to maximum. Signed-off-by:
Darrick J. Wong <djwong@us.ibm.com> Acked-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
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Serge E. Hallyn authored
There is currently no way to query the bounding set of another task. As there appears to be no security reason not to, and as Michael Kerrisk points out the following valid reasons to do so exist: * consistency (I can see all of the other per-thread/process sets in /proc/.../status) * debugging -- I could imagine that it would make the job of debugging an application that uses capabilities a little simpler. this patch adds the bounding set to /proc/self/status right after the effective set. Signed-off-by:
Serge E. Hallyn <serue@us.ibm.com> Acked-by:
Michael Kerrisk <mtk.manpages@gmail.com> Acked-by:
Andrew G. Morgan <morgan@kernel.org> Signed-off-by:
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Dan Williams authored
commit bd2ab670 "md: close a livelock window in handle_parity_checks5" introduced a bug in handling 'repair' operations. After a repair operation completes we clear the state bits tracking this operation. However, they are cleared too early and this results in the code deciding to re-run the parity check operation. Since we have done the repair in memory the second check does not find a mismatch and thus does not do a writeback. Test results: $ echo repair > /sys/block/md0/md/sync_action $ cat /sys/block/md0/md/mismatch_cnt 51072 $ echo repair > /sys/block/md0/md/sync_action $ cat /sys/block/md0/md/mismatch_cnt 0 (also fix incorrect indentation) Cc: <stable@kernel.org> Tested-by:
George Spelvin <linux@horizon.com> Acked-by:
NeilBrown <neilb@suse.de> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Krzysztof Helt authored
Improve clock calculation precision (to kHz from MHz) and removes parameter field vclk from the tridentfb_par structure. Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Krzysztof Helt authored
Remove redundant enable_mmio() call as the mmio mode is enabled in the probe function earlier. Signed-off-by:
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Harvey Harrison authored
Otherwise it can only take the values 0/-1 which doesn't seem to have been intended. drivers/mmc/host/sdhci.h:190:20: error: dubious one-bit signed bitfield Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Acked-by:
Pierre Ossman <drzeus-list@drzeus.cx> Signed-off-by:
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Jan Kara authored
Sometimes, vfs_quota_off() is called on a partially set up super block (for example when fill_super() fails for some reason). In such cases we cannot call ->sync_fs() because it can Oops because of not properly filled in super block. So in case we find there's not quota to turn off, we just skip everything and return which fixes the above problem. [akpm@linux-foundation.org: fxi tpyo] Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Christoph Hellwig authored
Signed-off-by:
Christoph Hellwig <hch@lst.de> Acked-by:
Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by:
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KOSAKI Motohiro authored
When accessing cpu_online_map, we should prevent dynamic changing of cpu_online_map by get_online_cpus(). Unfortunately, all_vm_events() doesn't do that. Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by:
Christoph Lameter <clameter@sgi.com> Cc: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by:
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Sebastian Siewior authored
As the subject says this patch adds the support for kernel preemption on m68knommu Coldfire. I thing the same changes could be applied to 68360 & 68328 but since I don't have the HW, I don't touch it. Kconfig enables the preemption item only on coldfire. This is a missing chunk from Sebastian's original patch that I lost from the first submission. Signed-off-by:
Sebastian Siewior <bigeasy@linutronix.de> Signed-off-by:
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Miklos Szeredi authored
dget(dentry->d_parent) --> dget_parent(dentry) unlock_parent() is racy and unnecessary. Replace single caller with unlock_dir(). There are several other suspect uses of ->d_parent in ecryptfs... Signed-off-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by:
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Dean Nelson authored
In preparation for supporting greater than 64 partitions replace partid_t by short in drivers/misc/sgi-xp. Signed-off-by:
Dean Nelson <dcn@sgi.com> Acked-by:
Robin Holt <holt@sgi.com> Signed-off-by:
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Dean Nelson authored
Make XP return values more generic to XP and not so tied to XPC by changing enum xpc_retval to xp_retval, along with changing return value prefixes from xpc to xp. Also, cleanup a comment block that referenced some of these return values as well as the handling of BTE related return values. Signed-off-by:
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Eric BENARD authored
There is a typo in pxa2xx_spi.c, comment says "Enable the SSP clock", code says: clk_disable ... so after resume, the SSP is dead. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: Ned Forrester <nforrester@whoi.edu> Cc: Stephen Street <stephen@streetfiresound.com> Signed-off-by:
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Jeff Dike authored
Alarm delivery could be noticably late in the !CONFIG_NOHZ case because lost ticks weren't being taken into account. This is now treated more carefully, with the time between ticks being calculated and the appropriate number of ticks delivered to the timekeeping system. Cc: Nix <nix@esperi.org.uk> Signed-off-by:
Jeff Dike <jdike@linux.intel.com> Signed-off-by:
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Jeff Dike authored
Give random.c a style workover while I'm changing it. Signed-off-by:
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Jeff Dike authored
The random driver would essentially hang if the host's /dev/random returned -EAGAIN. There was a test of need_resched followed by a schedule inside the loop, but that didn't help and it's the wrong way to work anyway. The right way is to ask for an interrupt when there is input available from the host and handle it then rather than polling. Now, when the host's /dev/random returns -EAGAIN, the driver asks for a wakeup when there's randomness available again and sleeps. The interrupt routine just wakes up whatever processes are sleeping on host_read_wait. There is an atomic_t, host_sleep_count, which counts the number of processes waiting for randomness. When this reaches zero, the interrupt is disabled. An added complication is that async I/O notification was only recently added to /dev/random (by me), so essentially all hosts will lack it. So, we use the sigio workaround here, which is to have a separate thread poll on the descriptor and send an interrupt when there is input on it. This mechanism is activated when a process gets -EAGAIN (activating this multiple times is harmless, if a bit wasteful) and deactivated by the last process still waiting. The module name was changed from "random" to "hw_random" in order for udev to recognize it. The sigio workaround needed some changes. sigio_broken was added for cases when we know that async notification doesn't work. This is now called from maybe_sigio_broken, which deals with pts devices. Signed-off-by:
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Jeff Dike authored
The top of physical memory should be below the initial process stack, not the top of the address space, at least for as long as the stack isn't known to the kernel VM system and appropriately reserved. Cc: "Christopher S. Aker" <caker@theshore.net> Signed-off-by:
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Cyrill Gorcunov authored
This patch includes page.h header into linker scripts that allow us to use PAGE_SIZE macro instead of numeric constant. To be able to include page.h into linker scripts page.h is needed for some modification - i.e. we need to use __ASSEMBLY__ and _AC macro [jdike@linux.intel.com - fixed conflict with as-layout.h] Signed-off-by:
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Jiri Olsa authored
I just saw similar patches in the janitor kernel's list, and spotted place it fits. Signed-off-by:
Jiri Olsa <olsajiri@gmail.com> Signed-off-by:
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Robert P. J. Day authored
Add the BLOCK dependency for RAW_DRIVER, to match what's in drivers/char/Kconfig. Also, while we're there, update the alleged obsolesence of RAW_DRIVER since it doesn't seem to be going away any time soon. Signed-off-by:
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Jeff Dike authored
From: Robert P. J. Day <rpjday@crashcourse.ca> Use newer, non-deprecated __SPIN_LOCK_UNLOCKED macro. Signed-off-by:
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Jeff Dike authored
UML's supposed nanosecond clock interacts badly with NTP when NTP decides that the clock has drifted ahead and needs to be slowed down. Slowing down the clock is done by decrementing the cycle-to-nanosecond multiplier, which is 1. Decrementing that gives you 0 and time is stopped. This is fixed by switching to a microsecond clock, with a multiplier of 1000. Signed-off-by:
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Jeff Dike authored
From: Adrian Bunk <bunk@kernel.org> This patch removes the unused and broken (the normal asm/keyboard.h files no longer exists) include/asm-um/keyboard.h Signed-off-by:
Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Jeff Dike authored
Reintroduce uml_kmalloc for the benefit of UML libc code. The previous tactic of declaring __kmalloc so it could be called directly from the libc side of the house turned out to be getting too intimate with slab, and it doesn't work with slob. So, the uml_kmalloc wrapper is back. It calls kmalloc or whatever that translates into, and libc code calls it. kfree is left alone since that still works, leaving a somewhat inconsistent API. Signed-off-by:
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Johann Felix Soden authored
Error returns are negative. Signed-off-by:
Johann Felix Soden <johfel@users.sourceforge.net> Signed-off-by:
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Jeff Dike authored
Tidy the ptrace interface code. Removed a bunch of unused macros. Started converting register sets from arrays of longs to structures. Signed-off-by:
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