- 17 3月, 2007 10 次提交
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由 David Brownell 提交于
It's been pointed out that output GPIOs should have an initial value, to avoid signal glitching ... among other things, it can be some time before a driver is ready. This patch corrects that oversight, fixing - documentation - platforms supporting the GPIO interface - users of that call (just one for now, others are pending) There's only one user of this call for now since most platforms are still using non-generic GPIO setup code, which in most cases already couples the initial value with its "set output mode" request. Note that most platforms are clear about the hardware letting the output value be set before the pin direction is changed, but the s3c241x docs are vague on that topic ... so those chips might not avoid the glitches. Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Acked-by: NAndrew Victor <andrew@sanpeople.com> Acked-by: NMilan Svoboda <msvoboda@ra.rockwell.com> Acked-by: NHaavard Skinnemoen <hskinnemoen@atmel.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.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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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
RTLX communication is based on lock-free shared memory buffers. It happened to be working by luck so far but relies on the optimizer doing certain optimizations but no reordering. Fixed by inserting proper barriers in rtlx_read and rtlx_write, and careful pointer dereferencing. 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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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
Commit 6d667106 is incomplete and misses non-r4k CPUs. This patch reverts the commit and fixes in other way. o Do FCSR checking in caller of restore_fp_context. o Send SIGFPE if the signal handler set any FPU exception bits. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 15 3月, 2007 8 次提交
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由 Linus Torvalds 提交于
This reverts commit 6ebf622b and replaces it with one that actually works. 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: NWilliam Irwin <wli@holomorphy.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> Acked-by: NOlof Johansson <olof@lixom.net> 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: NOlof Johansson <olof@lixom.net> 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
and no, it's not the case of "let's pull bits from underlying architecture" 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
PGALLOC_DMA is defined only if we have CONFIG_ZONE_DMA Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 14 3月, 2007 3 次提交
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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
A defconfig file and the 10 lines of code (including comments ...) that are rotting since lmo commit 6516a42dc8b40c6c00010346dd51496125b16644 don't quite make proper support, so let's trash it. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Chris Dearman 提交于
Signed-off-by: NChris Dearman <chris@mips.com> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 13 3月, 2007 6 次提交
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由 David S. Miller 提交于
These pte loops all assume the passed in address is HPAGE aligned, make sure that is actually true. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
sys_mbind sys_get_mempolicy sys_set_mempolicy sys_kexec_load sys_move_pages sys_getcpu sys_epoll_pwait This work is largely a result of David Woodhouse's most excellent missing syscalls patch. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 William Lee Irwin III 提交于
From: William Lee Irwin III <wli@holomorphy.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Zachary Amsden 提交于
VMI is broken under COMPAT_VDSO, as Xen and other non hardware assisted hypervisors will be. I have been working on a fix for this which works for older glibcs that panic when the new relocatable VDSO is used. However, I believe at this time that the fix is going to be too radical to consider at this stage in the release of 2.6.21. We don't expect this config option to be turned on by vendors for new distributions, so at this point we are willing to drop support for it when VMI is compiled in, and work on a patch for 2.6.22 which more fully addresses the problem. Signed-off-by: NZachary Amsden <zach@vmware.com> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Pavel Pisa 提交于
Only System PLL clock source is selectable by CSCR_SYSTEM_SEL bit. MPU PLL is driven by 512*CLK32 for each case. Signed-off-by: NPavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Pavel Pisa 提交于
The minimal bus clock prescaler should be kept at value selected by the board / boot loader designer. Switching frequency above startup limit could lead to the external memory/devices misbehave. Signed-off-by: NPavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 10 3月, 2007 8 次提交
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由 Mathieu Desnoyers 提交于
Fix atomicity of TIF update in flush_thread() for sparc64 Fixes correctly the race by using *_ti_thread_flag. Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid)) arch_ptrace() ptrace_detach() ptrace_disable(child); clear_singlestep(child); clear_tsk_thread_flag(child, TIF_SINGLESTEP); (which clears the TIF_SINGLESTEP flag atomically from a different process) (put_task_struct(child)) (unlock_kernel()) And at the same time, in the child process : sys_execve() do_execve() search_binary_handler() load_elf_binary() flush_old_exec() flush_thread() doing a non-atomic thread flag update Signed-off-by: NMathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnd Bergmann 提交于
Signed-off-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
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由 Geert Uytterhoeven 提交于
Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that we are actually running on a PS3 (pointed out by Arnd). Correct existing checks in other subsystems/drivers to return -ENODEV instead of zero. Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
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由 Benjamin Herrenschmidt 提交于
The SPU code doesn't properly invalidate SPUs SLBs when necessary, for example when changing a segment size from the hugetlbfs code. In addition, it saves and restores the SLB content on context switches which makes it harder to properly handle those invalidations. This patch removes the saving & restoring for now, something more efficient might be found later on. It also adds a spu_flush_all_slbs(mm) that can be used by the core mm code to flush the SLBs of all SPEs that are running a given mm at the time of the flush. In order to do that, it adds a spinlock to the list of all SPEs and move some bits & pieces from spufs to spu_base.c Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Christoph Hellwig 提交于
This optimization was added recently but is still buggy, so back it out for now. Signed-off-by: NArnd Bergmann <arnd.bergmann@de.ibm.com>
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由 Arnd Bergmann 提交于
Due to a buggy unsigned comparison, it was possible to write beyond the end of the local store file in spufs under some circumstances. This rewrites the buggy function to look more like simple_copy_from_buffer. Signed-off-by: NArnd Bergmann <arnd.bergmann@de.ibm.com> Cc: Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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由 Ralf Baechle 提交于
o Fix build error. o Handle error returns. o Deal with signals received while sleeping. o Don't allow to be selected when we're not building the directory with the driver anyway. o Coding style cleanups. 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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- 09 3月, 2007 5 次提交
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由 Ralf Baechle 提交于
Register_prom_console was removed when mips was converted to early printk. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Len Brown 提交于
x86_64 nvidia_bugs() broke when we bailed out on not finding the HPET. However, the quirk works by checking for not finding the HPET... Delete the nvidia_hpet_detected flag and simply test for not finding the HPET, which is simple to do now that acpi_table_parse returns 1 on failure. Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Dave Jones 提交于
missing close bracket. Signed-off-by: NDave Jones <davej@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Len Brown 提交于
x86_64 nvidia_bugs() broke when we bailed out on not finding the HPET. However, the quirk works by checking for _not_ finding the HPET... Delete the nvidia_hpet_detected flag and simply test for not finding the HPET, which is simple to do now that acpi_table_parse returns 1 on failure. Signed-off-by: NLen Brown <len.brown@intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Tony Luck 提交于
Bring defconfig, tiger_defconfig and zx1_defconfig up to date. Also sprinkle KEXEC and KDUMP combinations around liberally so that my usual regression test builds will see all combinations: tiger_defconfig gets KEXEC=y, CRASH_DUMP=n zx1_defconfig gets KEXEC=n, CRASH_DUMP=y defconfig gets KEXEC=y, CRASH_DUMP=y others remain at KEXEC=n, CRASH_DUMP=n Signed-off-by: NTony Luck <tomy.luck@intel.com>
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