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* [PATCH] uml: __user annotationsAl Viro2006-04-191-3/+3
| | | | | | | | | bits of uml __user annotations lost in merge Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: change sigjmp_buf to jmp_bufJeff Dike2006-04-196-27/+27
| | | | | | | | | | Clean up the jmpbuf code. Since softints, we no longer use sig_setjmp, so the UML_SIGSETJMP wrapper now has a misleading name. Also, I forgot to change the buffers from sigjmp_buf to jmp_buf. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: update switch_to macro for tuningHirokazu Takata2006-04-192-47/+26
| | | | | | | | | | | - Remove unnecessary push/pop's of the switch_to() macro for performance tuning. - Cosmetic updates: change __inline__ to inline, etc. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: NIIBE Yutaka <gniibe@fsij.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: Remove a warning in m32r_sio.cHirokazu Takata2006-04-191-1/+0
| | | | | | | | | /project/m32r-linux/kernel/linux-2.6.17-rc1-mm2/linux-2.6.17-rc1-mm2/drivers/serial/m32r_sio.c: In function 'm32r_sio_console_write': /project/m32r-linux/kernel/linux-2.6.17-rc1-mm2/linux-2.6.17-rc1-mm2/drivers/serial/m32r_sio.c:1060: warning: unused variable 'i' Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: mappi3 reboot supportHirokazu Takata2006-04-192-11/+15
| | | | | | | | | | Here is a patch to support a reboot function for M3A-2170(Mappi-III) evaluation board. Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: update include/asm-m32r/semaphore.hHirokazu Takata2006-04-191-60/+4
| | | | | | | | | This patch updates include/asm-m32r/semaphore.h for good readability and maintainability. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m32r: Fix pt_regs for !COFNIG_ISA_DSP_LEVEL2 targetHirokazu Takata2006-04-195-45/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This modification is required to fix debugging function for m32r targets with !CONFIG_ISA_DSP_LEVEL2, by unifying 'struct pt_regs' and 'struct sigcontext' size for all M32R ISA. Some m32r processor core with !CONFIG_ISA_DSP_LEVEL2 configuration has only single accumulator a0 (ex. VDEC2 core, M32102 core, etc.), the others with CONFIG_ISA_DSP_LEVEL2 has two accumulators, a0 and a1. This means there are two variations of thread context. So far, we reduced and changed stackframe size at a syscall for their context size. However, this causes a problem that a GDB for processors with CONFIG_ISA_DSP_LEVEL2 cannot be used for processors with !CONFIG_ISA_DSP_LEVEL2. From the viewpoint of GDB support, we should reduce such variation of stackframe size for simplicity. In this patch, dummy members are added to 'struct pt_regs' and 'struct sigcontext' to adjust their size for !CONFIG_ISA_DSP_LEVEL2. This modification is also a one step for a GDB update in future. Currently, on the m32r, GDB can access process's context by using ptrace functions in a simple way of register by register access. By unifying stackframe size, we have a possibility to make use of ptrace functions of not only a single register access but also block register access, PTRACE_{GETREGS,PUTREGS}. However, for this purpose, we might have to modify stackframe structure some more; for example, PSW (processor status word) register should be pre-processed before pushing to stack at a syscall, and so on. In this case, we must update carefully both kernel and GDB at a time... Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Kei Sakamoto <ksakamot@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86 cpuid and msr notifier callback section mismatchesRandy Dunlap2006-04-192-2/+2
| | | | | | | | | | | | Fix section mismatch warnings in x86 cpuid and msr notifier callback functions. We can't have these as init (discarded) code. WARNING: arch/x86_64/kernel/cpuid.o - Section mismatch: reference to .init.text: from .data between 'cpuid_class_cpu_notifier' (at offset 0x0) and 'cpuid_fops' WARNING: arch/x86_64/kernel/msr.o - Section mismatch: reference to .init.text: from .data between 'msr_class_cpu_notifier' (at offset 0x0) and 'msr_fops' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] asm-i386/atomic.h: local_irq_save should be used instead of ↵lepton2006-04-191-2/+3
| | | | | | | | | | local_irq_disable atomic_add_return() if CONFIG_M386 can accidentally enable local interrupts. Signed-off-by: Lepton Wu <ytht.net@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] selinux: Fix MLS compatibility off-by-one bugRon Yorston2006-04-191-1/+1
| | | | | | | | | | | | | | Fix an off-by-one error in the MLS compatibility code that was causing contexts with a MLS suffix to be rejected, preventing sharing partitions between FC4 and FC5. Bug reported in https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=188068 Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: James Morris <jmorris@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] hugetlbfs: add Kconfig help textArthur Othieno2006-04-191-0/+6
| | | | | | | | | | In kernel bugzilla #6248 (http://bugzilla.kernel.org/show_bug.cgi?id=6248), Adrian Bunk <bunk@stusta.de> notes that CONFIG_HUGETLBFS is missing Kconfig help text. Signed-off-by: Arthur Othieno <apgo@patchbomb.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] page_alloc.c: buddy handling cleanupAndrew Morton2006-04-191-4/+6
| | | | | | | Fix up some whitespace damage. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm: fix mm_struct reference counting bugs in mm/oom_kill.cDave Peterson2006-04-191-22/+23
| | | | | | | | | Fix oom_kill_task() so it doesn't call mmput() (which may sleep) while holding tasklist_lock. Signed-off-by: David S. Peterson <dsp@llnl.gov> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] oom-kill: mm locking fixAndrew Morton2006-04-191-8/+18
| | | | | | | | | | | Dave Peterson <dsp@llnl.gov> points out that badness() is playing with mm_structs without taking a reference on them. mmput() can sleep, so taking a reference here (inside tasklist_lock) is hard. Fix it up via task_lock() instead. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mm/slob.c: for_each_possible_cpu(), not NR_CPUSJohn Hawkes2006-04-191-7/+3
| | | | | | | | | | Convert for-loops that explicitly reference "NR_CPUS" into the potentially more efficient for_each_possible_cpu() construct. Signed-off-by: John Hawkes <hawkes@sgi.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] swsusp: prevent possible image corruption on resumeRafael J. Wysocki2006-04-191-4/+5
| | | | | | | | | | | | | | | | | | | | The function free_pagedir() used by swsusp for freeing its internal data structures clears the PG_nosave and PG_nosave_free flags for each page being freed. However, during resume PG_nosave_free set means that the page in question is "unsafe" (ie. it will be overwritten in the process of restoring the saved system state from the image), so it should not be used for the image data. Therefore free_pagedir() should not clear PG_nosave_free if it's called during resume (otherwise "unsafe" pages freed by it may be used for storing the image data and the data may get corrupted later on). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m41t00: fix bitmasks when writing to chipDavid Barksdale2006-04-191-4/+4
| | | | | | | | | | | | | Fix the bitmasks used when writing to the M41T00 registers. The original code used a mask of 0x7f when writing to each register, this is incorrect and probably the result of a copy-paste error. As a result years from 1980 to 1999 will be read back as 2000 to 2019. Signed-off-by: David Barksdale <amatus@ocgnet.org> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: MADV_REMOVE fixesJeff Dike2006-04-193-2/+6
| | | | | | | | | | | | | MADV_REMOVE fixes - change the test mapping to be MAP_SHARED instead of MAP_PRIVATE, as MADV_REMOVE on MAP_PRIVATE maps won't work. Also, use the kernel's definition of MADV_REMOVE instead of hardcoding it if there isn't a libc definition. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] for_each_possible_cpu: x86_64KAMEZAWA Hiroyuki2006-04-191-1/+1
| | | | | | | | | | | | | | | | | for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] task: Make task list manipulations RCU safeEric W. Biederman2006-04-194-5/+4
| | | | | | | | | | | | | | | | | While we can currently walk through thread groups, process groups, and sessions with just the rcu_read_lock, this opens the door to walking the entire task list. We already have all of the other RCU guarantees so there is no cost in doing this, this should be enough so that proc can stop taking the tasklist lock during readdir. prev_task was killed because it has no users, and using it will miss new tasks when doing an rcu traversal. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] uml: make 64-bit COW files compatible with 32-bit onesPaolo 'Blaisorblade' Giarrusso2006-04-191-1/+1
| | | | | | | | | | | | | | This is the minimal fix to make 64-bit UML binaries create 32-bit compatible COW files and read them. I've indeed tested that current code doesn't do this - the code gets SIGFPE for a division by a value read at the wrong place, where 0 is found. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux v2.6.17-rc2v2.6.17-rc2Linus Torvalds2006-04-181-1/+1
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* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-04-18197-3989/+7745
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (47 commits) [MAINTAINERS] The ham radio code now has website at http://www.linux-ax25.org. [MIPS] Use __ffs() instead of ffs() for waybit calculation. [MIPS] Fix Makefile bugs for MIPS32/MIPS64 R1 and R2. [MIPS] Handle IDE PIO cache aliases on SMP. [MIPS] Make mips_srs_init static. [MIPS] MIPS boards: Set HZ to 100. [MIPS] kgdb: Let gcc compute the array size itself. [MIPS] FPU affinity for MT ASE. [MIPS] MT: Improved multithreading support. [MIPS] kpsd and other AP/SP improvements. [MIPS] R2: Instruction hazard barrier. [MIPS] Fix genrtc compilation. [MIPS] R2: Implement shadow register allocation without spinlock. [MIPS] Fix VR41xx build errors. [MIPS] Fix tx49_blast_icache32_page_indexed. [MIPS] Enable SCHED_NO_NO_OMIT_FRAME_POINTER for MIPS. [MIPS] Use "R" constraint for cache_op. [MIPS] Rewrite all the assembler interrupt handlers to C. [MIPS] Fix the crime against humanity that mipsIRQ.S is. [MIPS] Fixup damage done by 22a9835c350782a5c3257343713932af3ac92ee0. ...
| * [MAINTAINERS] The ham radio code now has website at http://www.linux-ax25.org.Ralf Baechle2006-04-191-0/+3
| |
| * [MIPS] Use __ffs() instead of ffs() for waybit calculation.Atsushi Nemoto2006-04-192-9/+9
| | | | | | | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix Makefile bugs for MIPS32/MIPS64 R1 and R2.Ralf Baechle2006-04-191-4/+4
| | | | | | | | | | | | | | | | | | This fixes kernel builds with gcc 3.2 (not 64-bit, that is looking like it is beyond recovery) and 3.3. With these bugs fixed we now also can get undo 3b4c4996a0c24da9e6f8be764e3950b756b18cc0 and similar bits for SMTC that were added in 79cc8007b93838a670b164b8a55ab3e735a12a8b. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Handle IDE PIO cache aliases on SMP.Ralf Baechle2006-04-197-2/+60
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Make mips_srs_init static.Ralf Baechle2006-04-191-1/+1
| | | | | | | | | | | | Nothing outside traps.c uses it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] MIPS boards: Set HZ to 100.Ralf Baechle2006-04-191-0/+13
| | | | | | | | | | | | | | 1000Hz will bring an FPGA CPU down on it's knees and it's even worse on multithreaded cores. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] kgdb: Let gcc compute the array size itself.Ralf Baechle2006-04-191-1/+1
| | | | | | | | | | | | This is the same method as used in the serial driver. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] FPU affinity for MT ASE.Ralf Baechle2006-04-1910-2/+125
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] MT: Improved multithreading support.Ralf Baechle2006-04-1951-176/+3720
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] kpsd and other AP/SP improvements.Ralf Baechle2006-04-199-394/+1307
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] R2: Instruction hazard barrier.Ralf Baechle2006-04-191-0/+15
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix genrtc compilation.Ralf Baechle2006-04-191-2/+2
| | | | | | | | | | Signed-off-by: Ralf Roesch <ralf.roesch@rw-gmbh.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] R2: Implement shadow register allocation without spinlock.Ralf Baechle2006-04-191-23/+18
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix VR41xx build errors.Yoichi Yuasa2006-04-191-0/+13
| | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
| * [MIPS] Fix tx49_blast_icache32_page_indexed.Atsushi Nemoto2006-04-191-1/+2
| | | | | | | | | | | | | | | | Fix the cache index value in tx49_blast_icache32_page_indexed(). This is a damage by de62893bc0725f8b5f0445250577cd7a10b2d8f8 commit. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Enable SCHED_NO_NO_OMIT_FRAME_POINTER for MIPS.Atsushi Nemoto2006-04-191-0/+4
| | | | | | | | | | | | | | MIPS get_wchan() no longer requires -fno-omit-frame-pointer. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Use "R" constraint for cache_op.Ralf Baechle2006-04-191-1/+1
| | | | | | | | | | | | | | Gcc might emit an absolute address for the the "m" constraint which gas unfortunately does not permit. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Rewrite all the assembler interrupt handlers to C.Ralf Baechle2006-04-19100-3388/+1114
| | | | | | | | | | | | | | | | | | | | | | | | Saves like 1,600 lines of code, is way easier to debug, compilers frequently do a better job than the cut and paste type of handlers many boards had. And finally having all the stuff done in a single place also means alot of bug potencial for the MT ASE is gone. The only surviving handler in assembler is the DECstation one; I hope Maciej will rewrite it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fix the crime against humanity that mipsIRQ.S is.Ralf Baechle2006-04-199-67/+260
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Fixup damage done by 22a9835c350782a5c3257343713932af3ac92ee0.Ralf Baechle2006-04-192-4/+6
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Replace redundant declarations of _end by <asm/sections.h>.Ralf Baechle2006-04-195-10/+7
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] JMR3927 build fixes for the RTC code.Ralf Baechle2006-04-193-32/+45
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] EV96100: ev96100_cpu_irq needs a struct pt_regs argument.Ralf Baechle2006-04-191-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] EV96100: Fix over two year old typo in variable name.Ralf Baechle2006-04-191-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] Ocelot 3: Fix build errors after the recent move of Marvell headers.Ralf Baechle2006-04-191-12/+12
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] MV6434x: Add prototype of interrupt dispatch function.Ralf Baechle2006-04-191-0/+2
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * [MIPS] it8172: Fix build of serial driver.Ralf Baechle2006-04-191-6/+6
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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