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2008-07-30mm: add zap_vma_ptes(): a library function to unmap driver ptesJack Steiner
zap_vma_ptes() is intended to be used by drivers to unmap ptes assigned to the driver private vmas. This interface is similar to zap_page_range() but is less general & less likely to be abused. Needed by the GRU driver. Signed-off-by: Jack Steiner <steiner@sgi.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sched: make scheduler sysfs attributes sysdev class devicesAndi Kleen
They are really class devices, but were incorrectly declared. This leads to crashes with the recent changes that makes non normal sysdevs use a different prototype. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Pierre Ossman <drzeus-list@drzeus.cx> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30rtc-dev: stop periodic interrupts on device releaseTomas Janousek
Solves http://bugzilla.kernel.org/show_bug.cgi?id=11127 The old rtc.c driver did it and some drivers (like rtc-sh) do it in their release function, though they should not -- because they should provide the irq_set_state op and the rtc framework itself should care about it. This patch makes it do so. I am aware that some drivers, like rtc-sh, handle userspace PIE sets in their ioctl op (instead of having the framework call the op), exporting the irq_set_state op at the same time. The logic in rtc_irq_set_state should make sure it doesn't matter and the driver should not need to care stopping periodic interrupts in its release routine any more. The correct way, in my opinion, should be this: 1) The driver provides the irq_set_state op and does not care closing the interrupts in its release op. 2) If the driver does not provide the op and handles PIE in the ioctl op, it's reponsible for closing them in its release op. 3) Something similar for other IRQs, like UIE -- if there's no in-kernel API like irq_set_state, handle it in ioctl and release ops. The framework will be responsible either for everything or for nothing. (This will probably change later.) Signed-off-by: Tomas Janousek <tomi@nomi.cz> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30gbefb: cmap FIFO timeoutThomas Bogendoerfer
Writes to the cmap fifo while the display is blanked caused cmap FIFO timeout messages and a wrong colormap. To avoid this the driver now maintains a colormap in memory and updates the colormap after the display is unblanked. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30workqueues: add comments to __create_workqueue_key()Oleg Nesterov
Dmitry Adamushko pointed out that the error handling in __create_workqueue_key() is not clear, add the comment. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30fs/buffer.c: uninline __remove_assoc_queue()Thomas Petazzoni
Uninline the __remove_assoc_queue() function in fs/buffer.c, called at too many places and too long to really be inlined. Size results: text data bss dec hex filename 1134606 118840 212992 1466438 166046 vmlinux.old 1134303 118840 212992 1466135 165f17 vmlinux -303 0 0 -303 -12F +/- This patch is part of the Linux Tiny project and has been originally written by Matt Mackall <mpm@selenic.com>. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30omfs: sparse annotationsHarvey Harrison
Missing cpu_to_be64 on some constant assignments. fs/omfs/dir.c:107:16: warning: incorrect type in assignment (different base types) fs/omfs/dir.c:107:16: expected restricted __be64 [usertype] i_sibling fs/omfs/dir.c:107:16: got unsigned long long fs/omfs/file.c:33:13: warning: incorrect type in assignment (different base types) fs/omfs/file.c:33:13: expected restricted __be64 [usertype] e_next fs/omfs/file.c:33:13: got unsigned long long fs/omfs/file.c:36:24: warning: incorrect type in assignment (different base types) fs/omfs/file.c:36:24: expected restricted __be64 [usertype] e_cluster fs/omfs/file.c:36:24: got unsigned long long fs/omfs/file.c:37:23: warning: incorrect type in assignment (different base types) fs/omfs/file.c:37:23: expected restricted __be64 [usertype] e_blocks fs/omfs/file.c:37:23: got unsigned long long fs/omfs/bitmap.c:74:18: warning: incorrect type in argument 2 (different signedness) fs/omfs/bitmap.c:74:18: expected unsigned long volatile *addr fs/omfs/bitmap.c:74:18: got long *<noident> fs/omfs/bitmap.c:77:20: warning: incorrect type in argument 2 (different signedness) fs/omfs/bitmap.c:77:20: expected unsigned long volatile *addr fs/omfs/bitmap.c:77:20: got long *<noident> fs/omfs/bitmap.c:112:17: warning: incorrect type in argument 2 (different signedness) fs/omfs/bitmap.c:112:17: expected unsigned long volatile *addr fs/omfs/bitmap.c:112:17: got long *<noident> Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30scripts/mod/modpost.c: fix spelling of module and happensBen Dooks
Spelling fixes in scripts/mod/modpost.c Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30remove drivers/serial/v850e_uart.cAdrian Bunk
The removal of drivers/serial/v850e_uart.c originally was in my v850 removal patch, but it seems it got lost somewhere. Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30USB: m66592-udc: Fix up dev_set_name() badness.Paul Mundt
Commit 0031a06e2f07ab0d1bc98c31dbb6801f95f4bf01 converted all of the USB drivers to use dev_set_name(), though there was a typo on the m66592-udc conversion that handed off the wrong pointer (we want the struct device here obviously, not the struct usb_gadget). Signed-off-by: Paul Mundt <lethal@linux-sh.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30introduce lower_32_bits() macroJoerg Roedel
The file kernel.h contains the upper_32_bits macro. This patch adds the other part, the lower_32_bits macro. Its first use will be in the driver for AMD IOMMU. Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30do_try_to_free_page: update comments related to vmscan functionsFernando Luis Vazquez Cao
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30swapfile/vmscan: update comments related to vmscan functionsFernando Luis Vazquez Cao
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30swap: update function comment of release_pagesFernando Luis Vazquez Cao
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30madvise: update function comment of madvise_dontneedFernando Luis Vazquez Cao
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Cc: Hugh Dickins <hugh@veritas.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30printk: fix comment for printk ratelimitingUwe Kleine-König
The comment assumed the burst to be one and the ratelimit used to be named printk_ratelimit_jiffies. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30Char: mxser, ratelimit ioctl warningJiri Slaby
The GET_MAJOR ioctl prints out a warning, make it ratelimited. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30initrd: cast `initrd_start' to `void *'Geert Uytterhoeven
commit fb6624ebd912e3d6907ca6490248e73368223da9 (initrd: Fix virtual/physical mix-up in overwrite test) introduced the compiler warning below on mips, as its virt_to_page() doesn't cast the passed address to unsigned long internally, unlike on most other architectures: init/main.c: In function `start_kernel': init/main.c:633: warning: passing argument 1 of `virt_to_phys' makes pointer from integer without a cast init/main.c:636: warning: passing argument 1 of `virt_to_phys' makes pointer from integer without a cast For now, kill the warning by explicitly casting initrd_start to `void *', as that's the type it should really be. Reported-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30uml: fix tty-related build errorWANG Cong
/home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c: In function `line_write_interrupt': /home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c:366: error: `struct tty_ldisc' has no member named `write_wakeup' /home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c:367: error: `struct tty_ldisc' has no member named `write_wakeup' Signed-off-by: WANG Cong <wangcong@zeuux.org> Cc: Jeff Dike <jdike@addtoit.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30connector: add a BlackBoard user to connectorJerome Arbez-Gindre
Add a BlackBoard user to connector. BlackBoard is part of the TSP GPL sampling framework (http://savannah.nongnu.org/p/tsp) [akpm@linux-foundation.org: add comment] Signed-off-by: Jerome Arbez-Gindre <jeromearbezgindre@gmail.com> Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30print_ip_sym(): use %pSVegard Nossum
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-308250.c: port.lock is irq-safeBorislav Petkov
serial8250_startup() doesn't disable interrupts while taking the &up->port.lock which might race against the interrupt handler serial8250_interrupt(), which when entered, will deadlock waiting for the lock to be released. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Tested-by: Ingo Molnar <mingo@elte.hu> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30markers: fix markers read barrier for multiple probesMathieu Desnoyers
Paul pointed out two incorrect read barriers in the marker handler code in the path where multiple probes are connected. Those are ordering reads of "ptype" (single or multi probe marker), "multi" array pointer, and "multi" array data access. It should be ordered like this : read ptype smp_rmb() read multi array pointer smp_read_barrier_depends() access data referenced by multi array pointer The code with a single probe connected (optimized case, does not have to allocate an array) has correct memory ordering. It applies to kernel 2.6.26.x, 2.6.25.x and linux-next. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30rtc: don't return -EBUSY when mutex_lock_interruptible() failsDavid Brownell
It was pointed out that the RTC framework handles its mutex locks oddly ... returning -EBUSY when interrupted. This fixes that by returning the value of mutex_lock_interruptible() (i.e. -EINTR). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30drivers/video: release mutex in error handling codeJulia Lawall
The mutex is released on a successful return, so it would seem that it should be released on an error return as well. The semantic patch finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression l; @@ mutex_lock(l); ... when != mutex_unlock(l) when any when strict ( if (...) { ... when != mutex_unlock(l) + mutex_unlock(l); return ...; } | mutex_unlock(l); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Acked-by: Ondrej Zajicek <santiago@crfreenet.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30hpwdt: don't use static flagsAlexey Dobriyan
Static (read: global) is potential problem. Two threads can corrupt each other's interrupt status, better avoid this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: Thomas Mingarelli <thomas.mingarelli@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30iscsi_ibft_find: fix modpost warningJan Beulich
Exporting __init functions is wrong. Signed-off-by: Jan Beulich <jbeulich@novell.com> Acked-by: Konrad Rzeszutek <konradr@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30backlight: ensure platform_lcd on by defaultBen Dooks
It seems that we need to ensure that the lcd is powered up at start, otherwise we do not see a display. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cpuset: clean up cpuset hierarchy traversal codeLi Zefan
Use cpuset.stack_list rather than kfifo, so we avoid memory allocation for kfifo. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cpuset: fix wrong calculation of relax domain levelLi Zefan
When multiple cpusets are overlapping in their 'cpus' and hence they form a single sched domain, the largest sched_relax_domain_level among those should be used. But when top_cpuset's sched_load_balance is set, its sched_relax_domain_level is used regardless other sub-cpusets'. This patch fixes it by walking the cpuset hierarchy to find the largest sched_relax_domain_level. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cpuset: speed up sched domain partitionLai Jiangshan
All child cpusets contain a subset of the parent's cpus, so we can skip them when partitioning sched domains. This decreases 'csa' greately for cpusets with multi-level hierarchy. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cpuset: a bit cleanup for scan_for_empty_cpusets()Li Zefan
clean up hierarchy traversal code Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Paul Jackson <pj@sgi.com> Cc: Cliff Wickman <cpw@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30memcg: remove redundant check in move_task()Li Zefan
It's guaranteed by cgroup that old_cgrp != cgrp. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cgroup: uninline cgroup_has_css_refs()Li Zefan
It's not small enough, and has 2 call sites. text data bss dec hex filename 12813 1676 4832 19321 4b79 cgroup.o.orig 12775 1676 4832 19283 4b53 cgroup.o Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cgroup: remove duplicate code in allocate_cg_link()Li Zefan
- just call free_cg_links() in allocate_cg_links() - the list will get initialized in allocate_cg_links(), so don't init it twice Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cgroup: fix possible memory leakLi Zefan
There's a leak if copy_from_user() returns failure. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30mm: remove find_max_pfn_with_active_regionsYinghai Lu
It has no user now Also print out info about adding/removing active regions. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30VFS: increase pseudo-filesystem block size to PAGE_SIZEAlex Nixon
This commit: commit ba52de123d454b57369f291348266d86f4b35070 Author: Theodore Ts'o <tytso@mit.edu> Date: Wed Sep 27 01:50:49 2006 -0700 [PATCH] inode-diet: Eliminate i_blksize from the inode structure caused the block size used by pseudo-filesystems to decrease from PAGE_SIZE to 1024 leading to a doubling of the number of context switches during a kernbench run. Signed-off-by: Alex Nixon <Alex.Nixon@citrix.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ian Campbell <Ian.Campbell@eu.citrix.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Hugh Dickins <hugh@veritas.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30sticore: don't activate unsupported GSC STI cards on HPPAHelge Deller
On HPPA there exists some older GSC graphics cards, which need special graphic-card-BIOS patching to become supported. Since we don't have yet implemented the patching, it's better to detect such cards in advance, inform to the user that there are known problems and to not activate the card. Problematic GSC cards and BIOS versions are: * Hyperdrive/Hyperbowl (A4071A) graphics card series: * ID = 0x2BCB015A (Version 8.04/8) * ID = 0x2BCB015A (Version 8.04/11) * Thunder 1 VISUALIZE 48 card: * ID = 0x2F23E5FC (Version 8.05/9) * Thunder 2 VISUALIZE 48 XP card: * ID = 0x2F8D570E (Version 8.05/12) * Some Hyperion and ThunderHawk GSC cards Further details are described here: http://parisc-linux.org/faq/graphics-howto.html Signed-off-by: Helge Deller <deller@gmx.de> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30acpi cpufreq cleanup: move bailing out of function before locking the mutexThomas Renninger
Signed-off-by: Thomas Renninger <trenn@suse.de> Cc: Andi Kleen <andi@firstfloor.org> Cc: Len Brown <lenb@kernel.org> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30cpufreq acpi: only call _PPC after cpufreq ACPI init funcs got called alreadyThomas Renninger
Ingo Molnar provided a fix to not call _PPC at processor driver initialization time in "[PATCH] ACPI: fix cpufreq regression" (git commit e4233dec749a3519069d9390561b5636a75c7579) But it can still happen that _PPC is called at processor driver initialization time. This patch should make sure that this is not possible anymore. Signed-off-by: Thomas Renninger <trenn@suse.de> Cc: Andi Kleen <andi@firstfloor.org> Cc: Len Brown <lenb@kernel.org> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30resource: add resource_size()Magnus Damm
Avoid one-off errors by introducing a resource_size() function. Signed-off-by: Magnus Damm <damm@igel.co.jp> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Jean Delvare <khali@linux-fr.org> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30backlight: give platform_lcd the same name as the platform device.Ben Dooks
When registering an platform_lcd, use the name of the platform device specified in case there are more than one platform_lcd backlights registered. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-30net: Make "networking" one-click deselectable.Robert P. J. Day
Use a menuconfig directive to make all of networking support one-click deselectable from the top-level menu. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-30ipv6: Fix useless proc net sockstat6 removalDaniel Lezcano
This call is no longer needed, sockstat6 is per namespace so it is removed at the namespace subsystem destruction. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-30tcp: MD5: Use MIB counter instead of warning for MD5 mismatch.David S. Miller
From a report by Matti Aarnio, and preliminary patch by Adam Langley. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-30pkt_sched: Fix OOPS on ingress qdisc add.David S. Miller
Bug report from Steven Jan Springl: Issuing the following command causes a kernel oops: tc qdisc add dev eth0 handle ffff: ingress The problem mostly stems from all of the special case handling of ingress qdiscs. So, to fix this, do the grafting operation the same way we do for TX qdiscs. Which means that dev_activate() and dev_deactivate() now do the "qdisc_sleeping <--> qdisc" transitions on dev->rx_queue too. Future simplifications are possible now, mainly because it is impossible for dev_queue->{qdisc,qdisc_sleeping} to be NULL. There are NULL checks all over to handle the ingress qdisc special case that used to exist before this commit. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-29niu: Fix error checking in niu_ethflow_to_class.Andreas Schwab
The callers of niu_ethflow_to_class expect zero as error, but it returns -1 instead. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-29IPv6: datagram_send_ctl() should exit immediately when an error occuredMiao Xie
When an error occured, datagram_send_ctl() should exit immediately rather than continue to run the for loop. Otherwise, the variable err might be changed and the error might be hidden. Fix this bug by using "goto" instead of "break". Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-30powerpc/mm: Lockless get_user_pages_fast() for 64-bit (v3)Nick Piggin
Implement lockless get_user_pages_fast for 64-bit powerpc. Page table existence is guaranteed with RCU, and speculative page references are used to take a reference to the pages without having a prior existence guarantee on them. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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