| Age | Commit message (Collapse) | Author |
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remove the 'u64 now' parameter from print_cfs_rq().
( identity transformation that causes no change in functionality. )
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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There are two problems with balance_tasks() and how it used:
1. The variables best_prio and best_prio_seen (inherited from the old
move_tasks()) were only required to handle problems caused by the
active/expired arrays, the order in which they were processed and the
possibility that the task with the highest priority could be on either.
These issues are no longer present and the extra overhead associated
with their use is unnecessary (and possibly wrong).
2. In the absence of CONFIG_FAIR_GROUP_SCHED being set, the same
this_best_prio variable needs to be used by all scheduling classes or
there is a risk of moving too much load. E.g. if the highest priority
task on this at the beginning is a fairly low priority task and the rt
class migrates a task (during its turn) then that moved task becomes the
new highest priority task on this_rq but when the sched_fair class
initializes its copy of this_best_prio it will get the priority of the
original highest priority task as, due to the run queue locks being
held, the reschedule triggered by pull_task() will not have taken place.
This could result in inappropriate overriding of skip_for_load and
excessive load being moved.
The attached patch addresses these problems by deleting all reference to
best_prio and best_prio_seen and making this_best_prio a reference
parameter to the various functions involved.
load_balance_fair() has also been modified so that this_best_prio is
only reset (in the loop) if CONFIG_FAIR_GROUP_SCHED is set. This should
preserve the effect of helping spread groups' higher priority tasks
around the available CPUs while improving system performance when
CONFIG_FAIR_GROUP_SCHED isn't set.
Signed-off-by: Peter Williams <pwil3058@bigpond.net.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The move_tasks() function is currently multiplexed with two distinct
capabilities:
1. attempt to move a specified amount of weighted load from one run
queue to another; and
2. attempt to move a specified number of tasks from one run queue to
another.
The first of these capabilities is used in two places, load_balance()
and load_balance_idle(), and in both of these cases the return value of
move_tasks() is used purely to decide if tasks/load were moved and no
notice of the actual number of tasks moved is taken.
The second capability is used in exactly one place,
active_load_balance(), to attempt to move exactly one task and, as
before, the return value is only used as an indicator of success or failure.
This multiplexing of sched_task() was introduced, by me, as part of the
smpnice patches and was motivated by the fact that the alternative, one
function to move specified load and one to move a single task, would
have led to two functions of roughly the same complexity as the old
move_tasks() (or the new balance_tasks()). However, the new modular
design of the new CFS scheduler allows a simpler solution to be adopted
and this patch addresses that solution by:
1. adding a new function, move_one_task(), to be used by
active_load_balance(); and
2. making move_tasks() a single purpose function that tries to move a
specified weighted load and returns 1 for success and 0 for failure.
One of the consequences of these changes is that neither move_one_task()
or the new move_tasks() care how many tasks sched_class.load_balance()
moves and this enables its interface to be simplified by returning the
amount of load moved as its result and removing the load_moved pointer
from the argument list. This helps simplify the new move_tasks() and
slightly reduces the amount of work done in each of
sched_class.load_balance()'s implementations.
Further simplification, e.g. changes to balance_tasks(), are possible
but (slightly) complicated by the special needs of load_balance_fair()
so I've left them to a later patch (if this one gets accepted).
NB Since move_tasks() gets called with two run queue locks held even
small reductions in overhead are worthwhile.
[ mingo@elte.hu ]
this change also reduces code size nicely:
text data bss dec hex filename
39216 3618 24 42858 a76a sched.o.before
39173 3618 24 42815 a73f sched.o.after
Signed-off-by: Peter Williams <pwil3058@bigpond.net.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] rpc: update defconfig
[ARM] pata_icside: fix the FIXMEs
[ARM] 4542/1: AT91: include atmel_lcdc.h in at91sam926{1,3}_devices.c
[ARM] 4541/1: iop: defconfig updates
[ARM] 4531/1: remove is_in_rom() protptype
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETFILTER]: Add xt_statistic.h to the header list for usermode programs
[BNX2]: Fix suspend/resume problem.
[TG3]: Fix suspend/resume problem.
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC32]: Fix build.
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (32 commits)
[SCSI] aacraid: prevent panic on adapter resource failure
[SCSI] aha152x: use data accessors and !use_sg cleanup
[SCSI] aha152x: Fix check_condition code-path
[SCSI] aha152x: Clean Reset path
[SCSI] aha152x: preliminary fixes and some comments
[SCSI] aha152x: use bounce buffer
[SCSI] aha152x: fix debug mode symbol conflict
[SCSI] sd: disentangle barriers in SCSI
[SCSI] lpfc : scsi command accessor fix for 8.2.2
[SCSI] qlogicpti: Some cosmetic changes
[SCSI] lpfc 8.2.2 : Change version number to 8.2.2
[SCSI] lpfc 8.2.2 : Style cleanups
[SCSI] lpfc 8.2.2 : Miscellaneous Bug Fixes
[SCSI] lpfc 8.2.2 : Miscellaneous management and logging mods
[SCSI] lpfc 8.2.2 : Rework the lpfc_printf_log() macro
[SCSI] lpfc 8.2.2 : Attribute and Parameter splits for vport and physical port
[SCSI] lpfc 8.2.2 : Fix locking around HBA's port_list
[SCSI] lpfc 8.2.2 : Error messages and debugfs updates
[SCSI] initialize shost_data to zero
[SCSI] mptsas: add SMP passthrough support via bsg
...
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Add xt_statistic.h to the list of headers to install.
Apparently needed to build newer versions of iptables.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct incorrect removal of asm-generic/fcntl.h from asm-sparc/fcntl.h by
commit 6ba60d2195cd65d72eaf7ce3903a707c5bf20c7b.
Signed-off-by: Mark Fortescue <mark@mtfhpc.demon.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unused is_in_rom() function prototype.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Our current implementation has a generic set of barrier functions that
go through the SCSI driver model. Realistically, this is unnecessary,
because the only device that can use barriers (sd) can set the flush
functions up at probe or revalidate time. This patch pulls the barrier
functions out of the mid layer and scsi driver model and relocates them
directly in sd.
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fixes for the SLB shadow buffer code
[POWERPC] Fix a compile warning in powermac/feature.c
[POWERPC] Fix a compile warning in pci_32.c
[POWERPC] Fix parse_drconf_memory() for 64-bit start addresses
[POWERPC] Fix num_cpus calculation in smp_call_function_map()
[POWERPC] ps3: Fix section mismatch in ps3/setup.c
[POWERPC] spufs: Fix affinity after introduction of node_allowed() calls
[POWERPC] Fix special PTE code for secondary hash bucket
[POWERPC] Expand RPN field to 34 bits when using 64k pages
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23:
sh: fix defconfigs for sh7751r boards
sh: fix cf support on r2d boards
sh: update r2d defconfig
sh: update snapgear defconfig.
sh: Fix SH-X3 FPU exception handling.
sh: Fix pgd mismatch from cached TTB in unhandled fault.
sh: Don't include fault-nommu on SH-2/SH-2A.
sh: Fix irqflags tracing for SH-3/4 nommu.
sh: Fix lockdep debugging oops on SH-3/4.
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Fix O_CLOEXEC values.
[SPARC32]: Fix modular build of floppy driver.
[SOUND] CS4231 SBus: Two fixes.
[CG6]: fix memory size detection
[SPARC64]: Add missing dma_sync_single_range_for_*().
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The one choosen by asm-generic/fcntl.h is not appropriate
for this platform.
Noticed by Ulrich Drepper.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported by Andrew Morton.
Signed-off-by: David S. Miller <davem@davemloft.net>
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On a machine with hardware 64kB pages and a kernel configured for a
64kB base page size, we need to change the vmalloc segment from 64kB
pages to 4kB pages if some driver creates a non-cacheable mapping in
the vmalloc area. However, we never updated with SLB shadow buffer.
This fixes it. Thanks to paulus for finding this.
Also added some write barriers to ensure the shadow buffer contents
are always consistent.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The real page number field in our PTEs when configured for 64kB pages
is currently 32 bits, which turns out to be not quite enough for the
resources that the eHCA driver wants to map. This expands the RPN
field to include 2 adjacent, previously-unused bits.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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As discovered by Evegniy Polyakov, if we try to sendmsg after
a connection reset, we can do incredibly stupid things.
The core issue is that inet_sendmsg() tries to autobind the
socket, but we should never do that for TCP. Instead we should
just go straight into TCP's sendmsg() code which will do all
of the necessary state and pending socket error checks.
TCP's sendpage already directly vectors to tcp_sendpage(), so this
merely brings sendmsg() in line with that.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes sure cf support is enabled on R2D-PLUS but disabled
on R2D-1. Without this fix R2D-1 boards hang on bootup.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
[PATCH] sched: reduce task_struct size
[PATCH] sched: reduce debug code
[PATCH] sched: use schedstat_set() API
[PATCH] sched: add schedstat_set() API
[PATCH] sched: move load-calculation functions
[PATCH] sched: ->task_new cleanup
[PATCH] sched: uninline inc/dec_nr_running()
[PATCH] sched: uninline calc_delta_mine()
[PATCH] sched: calc_delta_mine(): use fixed limit
[PATCH] sched: tidy up left over smpnice code
[PATCH] sched: remove cache_hot_time
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A small fix to the SELinux/NetLabel glue code to ensure that the NetLabel
cache is utilized when possible. This was broken when the SELinux/NetLabel
glue code was reorganized in the last kernel release.
Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
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more task_struct size reduction, by moving the debugging/instrumentation
fields to under CONFIG_SCHEDSTATS:
(i386, nodebug):
size
----
pre-CFS 1328
CFS 1472
CFS+patch 1376
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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make sched_class.task_new == NULL a 'default method', this
allows the removal of task_rt_new.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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remove the last unused remains of cache_hot_time.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Enable the MB93090 motherboard's MB86943 PCI arbiter correctly by assigning to
the register rather than comparing against it. This is required to support
bus mastering.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_sis: fix MWDMA for <= UDMA66 chipsets and UDMA for UDMA33 chipsets
libata: blacklist SAMSUNG HD401LJ / ZZ100-15 for NCQ
ata_piix: add Tecra M3 to broken suspend blacklist
ata_piix: implement piix_borken_suspend()
pci: rename __pci_reenable_device() to pci_reenable_device()
libata-sff; Unbreak non DMA capable controllers again
pata_cmd64x: Correct the speed ranges
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Fixes WARN_ON() on bitfiels ops for all architectures that have
been left out in 8d4fbcfbe0a4bfc73e7f0297c59ae514e1f1436f.
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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sctp_chunk_cachep & sctp_bucket_cachep is used module global, so move it
to a header file.
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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Rename __pci_reenable_device() to pci_reenable_device().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Alexey Dobriyan noticed that the new WARN_ON() semantics that were
introduced by commit 684f978347deb42d180373ac4c427f82ef963171 (to also
return the value to be warned on) didn't compile when given a bitfield,
because the typeof doesn't work for bitfields.
So instead of the typeof trick, use an "int" variable together with a
"!!(x)" expression, as suggested by Al Viro.
To make matters more interesting, Paul Mackerras points out that that is
sub-optimal on Power, but the old asm-coded comparison seems to be buggy
anyway on 32-bit Power if the conditional was 64-bit, so I think there
are more problems there.
Regardless, the new WARN_ON() semantics may have been a bad idea. But
this at least avoids the more serious complications.
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: (28 commits)
[WATCHDOG] Fix pcwd_init_module crash
[WATCHDOG] ICH9 support for iTCO_wdt
[WATCHDOG] 631xESB/632xESB support for iTCO_wdt - add all LPC bridges
[WATCHDOG] 631xESB/632xESB support for iTCO_wdt
[WATCHDOG] omap_wdt.c - default error for IOCTL is -ENOTTY
[WATCHDOG] Return value of nonseekable_open
[WATCHDOG] mv64x60_wdt: Rework the timeout register manipulation
[WATCHDOG] mv64x60_wdt: disable watchdog timer when driver is probed
[WATCHDOG] mv64x60_wdt: Support the WDIOF_MAGICCLOSE feature
[WATCHDOG] mv64x60_wdt: Add a module parameter to change nowayout setting
[WATCHDOG] mv64x60_wdt: Add WDIOC_SETOPTIONS ioctl support
[WATCHDOG] mv64x60_wdt: Support for WDIOC_SETTIMEOUT ioctl
[WATCHDOG] mv64x60_wdt: Fix WDIOC_GETTIMEOUT return value
[WATCHDOG] mv64x60_wdt: Check return value of nonseekable_open
[WATCHDOG] mv64x60_wdt: Add arch/powerpc platform support
[WATCHDOG] mv64x60_wdt: Get register address from platform data
[WATCHDOG] mv64x60_wdt: set up platform_device in platform code
[WATCHDOG] ensure mouse and keyboard ignored in w83627hf_wdt
[WATCHDOG] s3c2410_wdt: fixup after arch include moves
[WATCHDOG] git-watchdog-typo
...
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (50 commits)
[MIPS] Add smp_call_function_single()
[MIPS] thread_info.h: kmalloc + memset conversion to kzalloc
[MIPS] Kexec: Fix several 64-bit bugs.
[MIPS] Kexec: Fix several warnings.
[MIPS] DDB5477: Remove support
[MIPS] Fulong: Remove unneeded header file
[MIPS] Cobalt: Enable UART on RaQ1
[MIPS] Remove unused GROUP_TOSHIBA_NAMES
[MIPS] remove some duplicate includes
[MIPS] Oprofile: Fix rm9000 performance counter handler
[MIPS] Use -Werror on subdirectories which build cleanly.
[MIPS] Yosemite: Fix warning.
[MIPS] PMON: Fix cpustart declaration.
[MIPS] Yosemite: Only build ll_ht_smp_irq_handler() if HYPERTRANSPORT.
[MIPS] Yosemite: Fix build error due to undeclared titan_mailbox_irq().
[MIPS] Yosemite: Don't declare titan_mailbox_irq() as asmlinkage.
[MIPS] Yosemite: Fix warnings in i2c-yoesmite by deleting the unused code.
[MIPS] Delete unused arch/mips/gt64120/common/
[MIPS] Fix build warning in unaligned load/store emulator.
[MIPS] IP32: Don't ignore request_irq's return value.
...
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (41 commits)
[RTNETLINK]: Fix warning for !CONFIG_KMOD
[IPV4] ip_options.c: kmalloc + memset conversion to kzalloc
[DECNET]: kmalloc + memset conversion to kzalloc
[NET]: ethtool_perm_addr only has one implementation
[NET]: ethtool ops are the only way
[PPPOE]: Improve hashing function in hash_item().
[XFRM]: State selection update to use inner addresses.
[IPSEC]: Ensure that state inner family is set
[TCP]: Bidir flow must not disregard SACK blocks for lost marking
[TCP]: Fix ratehalving with bidirectional flows
[PPPOL2TP]: Add CONFIG_INET Kconfig dependency.
[NET]: Page offsets and lengths need to be __u32.
[AF_UNIX]: Make code static.
[NETFILTER]: Make nf_ct_ipv6_skip_exthdr() static.
[PKTGEN]: make get_ipsec_sa() static and non-inline
[PPPoE]: move lock_sock() in pppoe_sendmsg() to the right location
[PPPoX/E]: return ENOTTY on unknown ioctl requests
[IPV6]: ipv6_addr_type() doesn't know about RFC4193 addresses.
[NET]: Fix prio_tune() handling of root qdisc.
[NET]: Fix sch_api to properly set sch->parent on the root.
...
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master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[BBC_I2C]: kmalloc + memset conversion to kzalloc
[BBC_ENVCTRL]: kmalloc + memset conversion to kzalloc
[SPARC]: Fix exec failures on sun4c.
[SPARC] Videopix Frame Grabber: Fix unreleased lock in vfc_debug()
[SPARC64]: Add missing dma_get_cache_alignment().
[SUNLANCE]: Fix sparc32 crashes by using of_*() interfaces.
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This adds kerneldoc to the SPI framework. The "spi_driver" and
"spi_board_info" structs were previously not described.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make it a little more clear that this is the default implementation for
the setleast operation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use "__val" rather than "val" in the __get_unaligned macro in
asm-generic/unaligned.h. This way gcc wont warn if you happen to also name
something in the same scope "val".
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add kernel-doc entry in <linux/irq.h> for:
Warning(linux-2.6.22-git12//include/linux/irq.h:177): No description found for parameter 'last_unhandled'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add kernel-doc notation in <linux/i2c.h> for:
Warning(linux-2.6.22-git12//include/linux/i2c.h:183): No description found for parameter 'driver'
Warning(linux-2.6.22-git12//include/linux/i2c.h:183): No description found for parameter 'usage_count'
Warning(linux-2.6.22-git12//include/linux/i2c.h:183): No description found for parameter 'list'
Warning(linux-2.6.22-git12//include/linux/i2c.h:183): No description found for parameter 'released'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove tx3912fb. Nino has already removed. It is no longer needed.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
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>
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pure_initcall uses the same ID as core_initcall. I guess that's a typo and
it should use its own ID.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As reported by Gustavo de Nardin <gustavodn@mandriva.com.br>, while trying to
compile xosview (http://xosview.sourceforge.net/) with upstream kernel
headers being used you get the following errors:
serialmeter.cc:48:30: error: linux/serial_reg.h: No such file or directory
serialmeter.cc: In member function 'virtual void
SerialMeter::checkResources()':
serialmeter.cc:71: error: 'UART_LSR' was not declared in this scope
serialmeter.cc:71: error: 'UART_MSR' was not declared in this scope
...
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Gustavo de Nardin <gustavodn@mandriva.com.br>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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alpha:
In file included from kernel/notifier.c:1:
include/linux/kdebug.h:14: warning: 'struct notifier_block' declared inside parameter list
include/linux/kdebug.h:14: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/kdebug.h:15: warning: 'struct notifier_block' declared inside parameter list
kernel/notifier.c:529: error: conflicting types for 'register_die_notifier'
include/linux/kdebug.h:14: error: previous declaration of 'register_die_notifier' was here
kernel/notifier.c:533: error: conflicting types for 'register_die_notifier'
include/linux/kdebug.h:14: error: previous declaration of 'register_die_notifier' was here
kernel/notifier.c:536: error: conflicting types for 'unregister_die_notifier'
include/linux/kdebug.h:15: error: previous declaration of 'unregister_die_notifier' was here
kernel/notifier.c:539: error: conflicting types for 'unregister_die_notifier'
include/linux/kdebug.h:15: error: previous declaration of 'unregister_die_notifier' was here
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The spidev driver doesn't currently expose all SPI communications modes to
userspace. This passes them all through to the driver.
Two of them are potentially troublesome, in the sense that they could cause
hardware conflicts on shared busses. It might be appropriate to add some
privilege checks for for those modes.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Loopback mode is supported by various controllers. This mode can be
useful for testing, especially in conjunction with spidev driver.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The arm26 port has been in a state where it was far from even compiling
for quite some time.
Ian Molton agreed with the removal.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit eab03ac7bd3e0da99eb9dc068772a85a5e3f3577 aka
"[PATCH] Get rid of /proc/sys/proc" was good commit except strace(1) compile
breakage it introduced:
system.c:1581: error: 'CTL_PROC' undeclared here (not in a function)
So, add dummy enum back.
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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