- 03 4月, 2008 3 次提交
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由 Benjamin Herrenschmidt 提交于
hash_page_sync() takes and releases the low level mmu hash lock in order to sync with other processors disposing of page tables. Because that lock can be needed to service hash misses triggered by interrupt handlers, taking it must be done with interrupts off. However, hash_page_sync() appears to be called with interrupts enabled, thus causing occasional deadlocks. We fix it by making sure hash_page_sync() masks interrupts while holding the lock. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Benjamin Herrenschmidt 提交于
A subtle bug sneaked into iSeries recently. On this platform, we must not normally clear MSR:EE (the hardware external interrupt enable) except for short periods of time. Taking an interrupt while soft-disabled doesn't cause us to clear it for example. The iSeries kernel expects to mostly run with MSR:EE enabled at all times except in a few exception entry/exit code paths. Thus local_irq_enable() doesn't check if it needs to hard-enable as it expects this to be unnecessary on iSeries. However, hard_irq_disable() _does_ cause MSR:EE to be cleared, including on iSeries. A call to it was recently added to the context switch code, thus causing interrupts to become disabled for a long periods of time, causing the iSeries watchdog to kick in under some circumstances and other nasty things. This patch fixes it by making local_irq_enable() properly re-enable MSR:EE on iSeries. It basically removes a return statement here to make iSeries use the same code path as everybody else. That does mean that we might occasionally get spurious decrementer interrupts but I don't think that matters. Another option would have been to make hard_irq_disable() a nop on iSeries but I didn't like it much, in case we have good reasons to hard-disable. Part of the patch is fixes to make sure the hard_enabled PACA field is properly set on iSeries as it used not to be before, since it was mostly unused. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Laurent Pinchart 提交于
A missing break statement in a switch caused cpm2_clk_setup() to initialize SCC2 instead of SCC1. Signed-off-by: NLaurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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- 01 4月, 2008 2 次提交
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由 Kumar Gala 提交于
The new rtc subsystem conflicts with genrtc so don't enable GENRTC if RTCLIB is enabled. Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Kumar Gala 提交于
Documentation/powerpc/booting-without-of.txt specifies the compatiables we should bind to for this driver (elo, eloplus). Use these instead of the extremely specific 'mpc8540' and 'mpc8349' compatiables. Acked-by: NDan Williams <dan.j.williams@intel.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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- 31 3月, 2008 33 次提交
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由 Kim Phillips 提交于
as prescribed in Documentation/powerpc/booting-without-of.txt. Signed-off-by: NKim Phillips <kim.phillips@freescale.com> Acked-by: NJeff Garzik <jeff@garzik.org> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Kim Phillips 提交于
Signed-off-by: NKim Phillips <kim.phillips@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Anton Vorontsov 提交于
Due to chip constraint MPC837x USB DR module can only use ULPI and serial PHY interfaces. The patch fixes the wrong type in dts. This patch fixes USB malfunctioning on the MPC837xE-RDB boards. Similar patch has been already applied for the MDS boards: commit 28b95885 Author: Li Yang <leoli@freescale.com> Date: Thu Mar 6 18:42:26 2008 +0800 [POWERPC] 83xx: Fix wrong USB phy type in mpc837xmds dts Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: NKim Phillips <kim.phillips@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Mark Lord 提交于
Mark Lord wrote: > > On boot, syslog is flooded with "uevent: unsupported action-string;" messages. .. > Mar 28 14:43:29 shrimp kernel: tty ptyqd: uevent: unsupported > action-string; this will be ignored in a future kernel version > Mar 28 14:43:29 shrimp kernel: tty ptyqe: uevent: unsupported > action-string; this will be ignored in a future kernel version > Mar 28 14:43:29 shrimp kernel: tty ptyqf: uevent: unsupported > action-string; this will be ignored in a future kernel version > Mar 28 14:43:29 shrimp kernel: tty ptyr0: uevent: unsupported > action-string; this will be ignored in a future kernel version .. These messages are a regression compared with 2.6.24, which did not flood the syslog with them. The actual underlying problem was introduced in 2.6.23, when somebody made the string parsing no longer accept nul-terminated strings as a valid input to store_uevent(). Eg. "add\0" was valid prior to 2.6.23, where the code regressed to require "add" without the '\0'. This patch fixes the 2.6.23 / 2.6.24 regressions, by having the code once again tolerate the trailing '\0', if present. According to GregKH, this mainly affects older Ubuntu systems, such as the one I have here that requires this fix. Signed-off-by: NMark Lord <mlord@pobox.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Björn Steinbrink 提交于
When getting disconnected we need to release eventual grabs on the underlying input device as we also release the input device itself. Otherwise, we would try to release the grab when the client that requested it closes its handle, accessing the input device which might already be freed. Signed-off-by: NBjörn Steinbrink <B.Steinbrink@gmx.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Adrian Bunk 提交于
I accidentally removed the module license from sound/oss/ac97_codec.c in commit 83bad1d7 ("scheduled OSS driver removal") Spotted by Roland <devzero@web.de>. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: fix for non-coherent DMA PowerPC drm: radeon: fix sparse integer as NULL pointer warnings in radeon_mem.c drm/i915: fix oops on agp=off drm/r300: fix bug in r300 userspace hardware wait emission
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev由 Linus Torvalds 提交于
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: ATA_EHI_LPM should be ATA_EH_LPM pata_sil680: only enable MMIO on Cell blades
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git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: ide: fix defining SUPPORT_VLB_SYNC Revert "ide: change master/slave IDENTIFY order"
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
a) every bitwise declaration will give a unique type; use typedefs. b) no need to bother with the stuff pointed to by iomem pointers, unless it's accessed directly. noderef will force us to use helpers anyway. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
NB: remaining endianness warnings in the file are, AFAICS, real bugs. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
aka if you see a force-cast, be very suspicious... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-and-tested-by: NFrank Seidel <fseidel@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Acked-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 30 3月, 2008 2 次提交
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由 Benjamin Herrenschmidt 提交于
This patch fixes bits of the DRM so to make the radeon DRI work on non-cache coherent PCI DMA variants of the PowerPC processors. It moves the few places that needs change to wrappers to that other architectures with similar issues can easily add their own changes to those wrappers, at least until we have more useful generic kernel API. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDave Airlie <airlied@linux.ie>
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由 Harvey Harrison 提交于
drivers/char/drm/radeon_mem.c:91:23: warning: Using plain integer as NULL pointer drivers/char/drm/radeon_mem.c:116:28: warning: Using plain integer as NULL pointer drivers/char/drm/radeon_mem.c:124:28: warning: Using plain integer as NULL pointer drivers/char/drm/radeon_mem.c:177:26: warning: Using plain integer as NULL pointer drivers/char/drm/radeon_mem.c:177:53: warning: Using plain integer as NULL pointer Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDave Airlie <airlied@linux.ie>
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