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2006-03-28Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] cpufreq_conservative: keep ignore_nice_load and freq_step values when reselected [CPUFREQ] powernow: remove private for_each_cpu_mask() [CPUFREQ] hotplug cpu fix for powernow-k8 [PATCH] cpufreq_ondemand: add range check [PATCH] cpufreq_ondemand: keep ignore_nice_load value when it is reselected [PATCH] cpufreq_ondemand: Warn if it cannot run due to too long transition latency [PATCH] cpufreq_conservative: alternative initialise approach [PATCH] cpufreq_conservative: make for_each_cpu() safe [PATCH] cpufreq_conservative: alter default responsiveness [PATCH] cpufreq_conservative: aligning of codebase with ondemand
2006-03-28Merge branch 'cfq-merge' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'cfq-merge' of git://brick.kernel.dk/data/git/linux-2.6-block: [BLOCK] cfq-iosched: seek and async performance fixes [PATCH] ll_rw_blk: fix 80-col offender in put_io_context() [PATCH] cfq-iosched: small cfq_choose_req() optimization [PATCH] [BLOCK] cfq-iosched: change cfq io context linking from list to tree
2006-03-28Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Implement futex_atomic_cmpxchg_inatomic().
2006-03-28[CPUFREQ] cpufreq_conservative: keep ignore_nice_load and freq_step values ↵Mattia Dongili
when reselected Keep the value of ignore_nice_load and freq_step of the conservative governor after the governor is deselected and reselected. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Dave Jones <davej@redhat.com>
2006-03-28[PATCH] compat_sys_futex() warning fixAndrew Morton
kernel/futex_compat.c: In function `compat_sys_futex': kernel/futex_compat.c:140: warning: passing arg 1 of `do_futex' makes integer from pointer without a cast kernel/futex_compat.c:140: warning: passing arg 5 of `do_futex' makes integer from pointer without a cast Not sure what Ingo was thinking of here. Put the casts back in. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] sound: Remove unneeded kmalloc() return value castsJesper Juhl
Get rid of unnessesary casts of kmalloc() return value in sound/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Typo fixesAlexey Dobriyan
Fix a lot of typos. Eyeballed by jmc@ in OpenBSD. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] trivial typos in Documentation/cputopology.txtJesper Juhl
Fix a few trivial mistakes in Documentation/cputopology.txt Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] fix signed vs unsigned in nmi watchdogJesper Juhl
Fix "signed vs unsigned" in nmi_watchdog_tick. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] vfree does its own NULL check, no need to be explicit in oss/msnd.cJesper Juhl
vfree() does it's own NULL checking, no need for explicit check before calling it. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] no need to check vfree arg for null in oss/sequencerJesper Juhl
There's no need to check pointers for NULL before handing them to vfree(). Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] maestro3 vfree NULL check fixupJesper Juhl
vfree() checks for NULL, no need to do it explicitly. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Zach Brown <zab@zabbo.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] vfree NULL check fixup for sb_cardJesper Juhl
There's no need to check the vfree() argument for NULL. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Replace 0xff.. with correct DMA_xBIT_MASKMatthias Gehre
Replace all occurences of 0xff.. in calls to function pci_set_dma_mask() and pci_set_consistant_dma_mask() with the corresponding DMA_xBIT_MASK from linux/dma-mapping.h. Signed-off-by: Matthias Gehre <M.Gehre@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] drivers/scsi/*: use time_after() and friendsMarcelo Feitoza Parisi
They deal with wrapping correctly and are nicer to read. Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] ide-tape: use time_after(), time_after_eq()Marcelo Feitoza Parisi
They deal with wrapping correctly and are nicer to read. Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] nvidia-agp: use time_before_eq()Marcelo Feitoza Parisi
It deals with wrapping correctly and is nicer to read. Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] drivers/block/*: use time_after() and friendsMarcelo Feitoza Parisi
They deal with wrapping correctly and are nicer to read. Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] arch/i386/kernel/microcode.c: remove the obsolete microcode_ioctlAdrian Bunk
Nowadays, even Debian stable ships a microcode_ctl utility recent enough to no longer use this ioctl. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Tigran Aivazian <tigran_aivazian@symantec.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Docs update: missing files and descriptions for filesystems/00-INDEXJesper Juhl
Add missing files and descriptions to Documentation/filesystems/00-INDEX Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Make most file operations structs in fs/ constArjan van de Ven
This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] mark f_ops const in the inodeArjan van de Ven
Mark the f_ops members of inodes as const, as well as fix the ripple-through this causes by places that copy this f_ops and then "do stuff" with it. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] ia64: const f_ops fixAndrew Morton
Tweak the proc setup code so things work OK with const proc_dir_entry.proc_fops. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: documentaionKAMEZAWA Hiroyuki
Replace for_each_cpu with for_each_possible_cpu. Modifies occurences in documentaion. for_each_cpu in whatisRCU.txt should be for_each_online_cpu ??? (I'm not sure..) Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: i386KAMEZAWA Hiroyuki
This patch replaces for_each_cpu with for_each_possible_cpu. under arch/i386. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: oprofile.KAMEZAWA Hiroyuki
This patch replaces for_each_cpu with for_each_possible_cpu. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: loopback device.KAMEZAWA Hiroyuki
This patch replaces for_each_cpu with for_each_possible_cpu. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: fixes for generic partKAMEZAWA Hiroyuki
replaces for_each_cpu with for_each_possible_cpu(). Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] for_each_possible_cpu: defines for_each_possible_cpuKAMEZAWA Hiroyuki
for_each_cpu() is a for-loop over cpu_possible_map. for_each_online_cpu is for-loop cpu over cpu_online_map. .....for_each_cpu() is not sufficiently explicit and can lead to mistakes. This patch adds for_each_possible_cpu() in preparation for the removal of for_each_cpu(). Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Fold select_bits_alloc/free into caller code.Vadim Lobanov
Remove an unnecessary level of indirection in allocating and freeing select bits, as per the select_bits_alloc() and select_bits_free() functions. Both select.c and compat.c are updated. Signed-off-by: Vadim Lobanov <vlobanov@speakeasy.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] use fget_light() in select/pollEric Dumazet
Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Optimize select/poll by putting small data sets on the stackAndi Kleen
Optimize select and poll by a using stack space for small fd sets This brings back an old optimization from Linux 2.0. Using the stack is faster than kmalloc. On a Intel P4 system it speeds up a select of a single pty fd by about 13% (~4000 cycles -> ~3500) It also saves memory because a daemon hanging in select or poll will usually save one or two less pages. This can add up - e.g. if you have 10 daemons blocking in poll/select you save 40KB of memory. I did a patch for this long ago, but it was never applied. This version is a reimplementation of the old patch that tries to be less intrusive. I only did the minimal changes needed for the stack allocation. The cut off point before external memory is allocated is currently at 832bytes. The system calls always allocate this much memory on the stack. These 832 bytes are divided into 256 bytes frontend data (for the select bitmaps of the pollfds) and the rest of the space for the wait queues used by the low level drivers. There are some extreme cases where this won't work out for select and it falls back to allocating memory too early - especially with very sparse large select bitmaps - but the majority of processes who only have a small number of file descriptors should be ok. [TBD: 832/256 might not be the best split for select or poll] I suspect more optimizations might be possible, but they would be more complicated. One way would be to cache the select/poll context over multiple system calls because typically the input values should be similar. Problem is when to flush the file descriptors out though. Signed-off-by: Andi Kleen <ak@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] ide_generic_all_on() warning fixAndrew Morton
drivers/ide/pci/generic.c:45: warning: `ide_generic_all_on' defined but not used Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Small fixes backported to old IDE SiS driverAlan Cox
Some quick backport bits from the libata PATA work to fix things found in the sis driver. The piix driver needs some fixes too but those are way to large and need someone working on old IDE with time to do them. This patch fixes the case where random bits get loaded into SIS timing registers according to the description of the correct behaviour from Vojtech Pavlik. It also adds the SiS5517 ATA16 chipset which is not currently supported by the driver. Thanks to Conrad Harriss for loaning me the machine with the 5517 chipset. Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] ide: AMD756 no host side cable detectionRene Herman
>From http://marc.theaimsgroup.com/?l=linux-kernel&m=110304128900342&w=2 AMD756 doesn't support host side cable detection. Do disk side only and don't advice obsolete options. Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] autofs4: proper prototype for autofs4_dentry_release()Adrian Bunk
Add a proper prototype for autofs4_dentry_release() to autofs_i.h. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] drivers/block/acsi_slm.c: size_t can't be < 0Alexey Dobriyan
A size_t can't be < 0. (akpm: and rw_verify_area() already did that check) Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] remove relayfs_fs.hAndrew Morton
This is obsolete. Cc: Tom Zanussi <zanussi@us.ibm.com> Cc: Jens Axboe <axboe@suse.de> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Philip Gladstone has movedPhilip Gladstone
I noticed that my email address is four jobs ago. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] fs/fat/: proper prototypes for two functionsAdrian Bunk
Add proper prototypes for fat_cache_init() and fat_cache_destroy() in msdos_fs.h. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] drivers/block/paride/pd.c: fix an off-by-one errorAdrian Bunk
The Coverity checker found this off-by-one error. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Change dash2underscore() return value to charEric Sesterhenn
Since dash2underscore() just operates and returns chars, I guess its safe to change the return value to a char. With my .config, this reduces its size by 5 bytes. text data bss dec hex filename 4155 152 0 4307 10d3 params.o.orig 4150 152 0 4302 10ce params.o Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] mqueue comment typo fixSerge E. Hallyn
(akpm: I don't do comment typos patches. This one snuck through by accident) Signed-off-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] alpha: make poll flags the same as other architecturesAndrew Morton
Renumber the recently-added POLLREMOVE and POLLRDHUP to line up with the other architectures. Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] Add oprofile_add_ext_sampleBrian Rogan
On ppc64 we look at a profiling register to work out the sample address and if it was in userspace or kernel. The backtrace interface oprofile_add_sample does not allow this. Create oprofile_add_ext_sample and make oprofile_add_sample use it too. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: John Levon <levon@movementarian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] symversion warning fixAndrew Morton
gcc-4.2: kernel/module.c: In function '__find_symbol': kernel/module.c:158: warning: the address of '__start___kcrctab', will always evaluate as 'true' kernel/module.c:165: warning: the address of '__start___kcrctab_gpl', will always evaluate as 'true' kernel/module.c:182: warning: the address of '__start___kcrctab_gpl_future', will always evaluate as 'true' Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] capi: register_chrdev() fixAndrew Morton
If the user specified `major=0' (odd thing to do), capi.c will use dynamic allocation. We need to pick up that major for subsequent unregister_chrdev(). Acked-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] paride-pt: register_chrdev fixAndrew Morton
If the user specified `major=0' (odd thing to do), pt.c will use dynamic allocation. We need to pick up that major for subsequent unregister_chrdev(). Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] paride: register_chrdev fixAndrew Morton
If the user specified `major=0' (odd thing to do), pg.c will use dynamic allocation. We need to pick up that major for subsequent unregister_chrdev(). Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28[PATCH] let BLK_DEV_RAM_COUNT depend on BLK_DEV_RAMAdrian Bunk
It's purely cosmetic, but with the patch there's no longer a BLK_DEV_RAM_COUNT setting in the .config if BLK_DEV_RAM=n. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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