- 08 2月, 2006 15 次提交
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由 Suzuki 提交于
Fix do_path_lookup() to avoid accessing invalid dentry or inode when the link_path_walk() has failed. This should fix Bugme #5897. Signed-off-by: NSuzuki K P <suzuki@in.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Steve Langasek 提交于
With the latest 2.6.15 kernel builds for alpha on Debian, we ran into a problem with undefined references to __cmpxchg_called_with_bad_pointer() in a couple of kernel modules (xfs.ko and drm.ko; see http://bugs.debian.org/347556). It looks like people have been trying to out-clever each other wrt the definition of "inline" on this architecture :), with the result that __cmpxchg(), which must be inlined so the compiler can see its argument is const, is not guaranteed to be inlined. Indeed, it was not being inlined when building with -Os. The attached patch fixes the issue by adding an __attribute__((always_inline)) explicitly to the definition of __cmpxchg() instead of relying on redefines of "inline" elsewhere to make this happen. Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Michael Richardson 提交于
This does not show up unless you #define DEBUG in the file, which most people wouldn't do. On PPC405, at least, "sector_t" is unsigned long, which doesn't match %llx/%llu. Since sector# may well be >32 bits, promote the value to match the format. Signed-off-by: NMichael Richardson <mcr@xelerance.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 J. Bruce Fields 提交于
I just noticed that my patch "don't create on open that fails due to ERR_GRACE" (recently commited as fb553c0f) had an obvious problem that causes a deadlock on reboot recovery. Sending in this now since it seems like a clear 2.6.16 candidate.--b. We're returning with a lock held in some error cases. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Christoph Lameter 提交于
Remove wrong and misleading comments. Return VM_FAULT_OOM if the hugetlbpage fault handler cannot allocate a page. do_no_page will end up doing do_exit(SIGKILL). Signed-off-by: NChristoph Lameter <clameter@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 David Gibson 提交于
When hugepages are newly allocated to a file in mm/hugetlb.c, we clear them with a call to clear_highpage() on each of the subpages. We should be using clear_user_highpage(): on powerpc, at least, clear_highpage() doesn't correctly mark the page as icache dirty so if the page is executed shortly after it's possible to get strange results. Signed-off-by: NDavid Gibson <dwg@au1.ibm.com> Acked-by: NWilliam Lee Irwin III <wli@holomorphy.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Ravikiran G Thirumalai 提交于
Currently, x86_64 and ia64 arches do not clear the corresponding bits in the node's cpumask when a cpu goes down or cpu bring up is cancelled. This is buggy since there are pieces of common code where the cpumask is checked in the cpu down code path to decide on things (like in the slab down path). PPC does the right thing, but x86_64 and ia64 don't (This was the reason Sonny hit upon a slab bug during cpu offline on ppc and could not reproduce on other arches). This patch fixes it for x86_64. I won't attempt ia64 as I cannot test it. Credit for spotting this should go to Alok. (akpm: this was applied, then reverted. But it's OK now because we now use for_each_cpu() in the right places). Signed-off-by: NAlok N Kataria <alokk@calsoftinc.com> Signed-off-by: NRavikiran Thirumalai <kiran@scalex86.org> Signed-off-by: NShai Fultheim <shai@scalex86.org> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Pavel Machek 提交于
- Remove unneeded bio_get() which would cause a bio leak - Writing doesn't dirty pages. Reading dirties pages. - We should dirty the pages after the IO completion, not before (Busy-waiting for disk I/O completion isn't very polite.) Signed-off-by: NPavel Machek <pavel@suse.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Russell King 提交于
drivers/base/bus.c:166: warning: `driver_attr_unbind' defined but not used drivers/base/bus.c:194: warning: `driver_attr_bind' defined but not used Looks like these two attributes and supporting functions want to be #ifdef HOTPLUG'd Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
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由 Jens Axboe 提交于
The softirq rq completion handler needs to save/restore interrupt flags appropriately. Signed-off-by: NJens Axboe <axboe@suse.de> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Andi Kleen 提交于
Fix wrong '!' in bad apic fix I forgot to remove the ! when moving the code from x86-64 to i386 x86-64 tested !disable_apic, but of course for cpu_has_apic it shouldn't be negated. Credit goes to Jan Beulich for spotting it with eagle eyes. Cc: Jan Beulich <jbeulich@novell.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
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- 07 2月, 2006 25 次提交
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由 Ralf Baechle 提交于
The reset state is undefined and some firmware doesn't clear this bit possibly resulting in crashes on entry into userland. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Sergei Shtylylov 提交于
I've noticed that PCI clock was incorrectly reported as 66 MHz while being mere 33 MHz on RBTX4937 board -- this was due to the different encoding of the PCI divisor field in CCFG register between TX4927 and TX4937 chips... Also, RBTX49x7 was printed out as a CPU name (e.g., "CPU is RBTX4937"); and some debug printk() were duplicating each other... Signed-off-by: NKonstantin Baydarov <kbaidarov@ru.mvista.com> Signed-off-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
If mfc0 $12 follows store and the mfc0 is last instruction of a page and fetching the next instruction causes TLB miss, the result of the mfc0 might wrongly contain EXL bit. ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008 Workaround: mask EXL bit of the result or place a nop before mfc0. It doesn't harm to always clear those bits, so we change the code to do so. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Very much to my surprise Fuxin Zhang reports this is all it takes to get the kernel to work for page sizes larger than 4kB. This also paves the way for support for the R6000 and R8000 which don't support 4kB page size. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
From Franck Bui-Huu <vagabon.xyz@gmail.com> with modifications by me. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Daniel Jacobowitz 提交于
I'm pretty sure that the CKSEG0 bits are wrong, but I did need to cover that region - because the SB-1 kernel links at 0xffffffff80100000 or so, disassembly and printing static variables don't work unless the debugger can read that region. Signed-off-by: NDaniel Jacobowitz <dan@codesourcery.com> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
From: Kaj-Michael Lang <milang@tal.org> In ip22-setup.c the checks for serial/graphics console logic does not check if ARCS console=g but the machine is using serial console, as it does if no keyboard is attached. This patch adds a check if ConsoleOut is serial. There might also be support for other graphics than Newport soon... Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
It looks glibc's pow() assumes an unary '-' operation for any number (including NaNs) always inverts its sign bit (though IEEE754 does not specify the sign bit for NaNs). This patch make the kernel math-emu emulates real MIPS neg.[ds] instruction. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
This fixes sparse warnings 'dereference of noderef expression'. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
fls was the only called of flz, so fold flz into fls, same for the __ilog2 call. Delete the now unused flz function. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
It always left the assembler in reorder mode possibly causing disaster. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Adding -mmad is not usable since over half a decade in gcc and when fixed the proper -march option values should enable the use of the mad, madu and mul instructions of the R5500, RM5200, RM7000 and RM9000 families. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Peter Horton 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Build blast_xxx, blast_xxx_page, blast_xxx_page_indexed from template. Easier to maintaina and saves 300 lines. Generated code should be unchanged. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Atsushi Nemoto 提交于
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Patch courtesy of Emily Postnews ;-) Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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