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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
sched: clean up task_new_fair()
sched: small schedstat fix
sched: fix wait_start_fair condition in update_stats_wait_end()
sched: call update_curr() in task_tick_fair()
sched: make the scheduler converge to the ideal latency
sched: fix sleeper bonus limit
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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:
[libata] Bump driver versions
ata_piix: implement IOCFG bit18 quirk
libata: implement BROKEN_HPA horkage and apply it to affected drives
sata_promise: FastTrack TX4200 is a second-generation chip
pata_marvell: Add more identifiers
ata_piix: add Satellite U200 to broken suspend list
ata: add ATA_MWDMA* and ATA_SWDMA* defines
ata_piix: IDE mode SATA patch for Intel Tolapai
libata-core: Allow translation setting to fail
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For hugepage mappings, the file offset, like the address and size, needs to
be aligned to the size of a hugepage.
In commit 68589bc353037f233fe510ad9ff432338c95db66, the check for this was
moved into prepare_hugepage_range() along with the address and size checks.
But since BenH's rework of the get_unmapped_area() paths leading up to
commit 4b1d89290b62bb2db476c94c82cf7442aab440c8, prepare_hugepage_range()
is only called for MAP_FIXED mappings, not for other mappings. This means
we're no longer ever checking for an aligned offset - I've confirmed that
mmap() will (apparently) succeed with a misaligned offset on both powerpc
and i386 at least.
This patch restores the check, removing it from prepare_hugepage_range()
and putting it back into hugetlbfs_file_mmap(). I'm putting it there,
rather than in the get_unmapped_area() path so it only needs to go in one
place, than separately in the half-dozen or so arch-specific
implementations of hugetlb_get_unmapped_area().
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Cc: Adam Litke <agl@us.ibm.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We find that SB700 and SB800 use the same SMBus device ID as SB600, which is
0x4385, instead of the already submitted 0x4395.
Besides removing the wrong SB700 device ID, add SB800 support to kernel, by
renaming the PCI_DEVICE_ID_ATI_IXP600_SMBUS into
PCI_DEVICE_ID_ATI_SBX00_SMBUS.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: 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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Dependencies of CONFIG_SUSPEND and CONFIG_HIBERNATION introduced by commit
296699de6bdc717189a331ab6bbe90e05c94db06 "Introduce CONFIG_SUSPEND for
suspend-to-Ram and standby" are incorrect, as they don't cover the facts that
(1) not all architectures support suspend and (2) SMP hibernation is only
possible on X86 and PPC64 (if CONFIG_PPC64_SWSUSP is set).
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Stop UML crashing when trying to dump a process core on x86_64. This is the
minimal fix to stop the crash - more things are broken here, and patches are
forthcoming.
The immediate thing to do is define ELF_CORE_COPY_REGS and
ELF_CORE_COPY_FPREGS. Defining ELF_CORE_COPY_FPREGS allows dump_fpu to go
away. It is defined in terms of save_fp_registers, so that needs to be added.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a class of bugs in the UML linker scripts which caused section boundary
variables to sometimes not line up with their sections.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some drives choke on READ_NATIVE_MAX_ADDRESS[_EXT]. Implement
ATA_HORKAGE_BROKEN_HPA and apply it to affected drives.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Some compilers (especially older gcc releases) may skip inlining
sometimes which will lead to link failures. Force the inlining of
keyfunctions in slub_def.h to avoid these issues.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Jan Dittmer <jdi@l4x.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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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:
[SPARC64]: Fix several bugs in MSI handling.
[SPARC64]: Fix type and constant sizes wrt. sun4u IMAP/ICLR handling.
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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:
[PKTGEN]: Remove write-only variable.
[NETFILTER]: xt_tcpudp: fix wrong struct in udp_checkentry
[NET_SCHED] sch_prio.c: remove duplicate call of tc_classify()
[BRIDGE]: Fix OOPS when bridging device without ethtool.
[BRIDGE]: Packets leaking out of disabled/blocked ports.
[TCP]: Allow minimum RTO to be configurable via routing metrics.
SCTP: Fix to handle invalid parameter length correctly
SCTP: Abort on COOKIE-ECHO if backlog is exceeded.
SCTP: Correctly disable listening when backlog is 0.
SCTP: Do not retransmit chunks that are newer then rtt.
SCTP: Uncomfirmed transports can't become Inactive
SCTP: Pick the correct port when binding to 0.
SCTP: Use net_ratelimit to suppress error messages print too fast
SCTP: Fix to encode PROTOCOL VIOLATION error cause correctly
SCTP: Fix sctp_addto_chunk() to add pad with correct length
SCTP: Assign stream sequence numbers to the entire message
SCTP: properly clean up fragment and ordering queues during FWD-TSN.
[PKTGEN]: Fix multiqueue oops.
[BNX2]: Add write posting comment.
[BNX2]: Use msleep().
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1) sun4{u,v}_build_msi() have improper return value handling.
We should always return negative error codes, instead of
using the magic value "0" which could in fact be a valid
MSI number.
2) sun4{u,v}_build_msi() should return -ENOMEM instead of
calling prom_prom() halt with kzalloc() of the interrupt
data fails.
3) We 'remembered' the MSI number using a singleton in the
struct device archdata area, this doesn't work for MSI-X
which can cause multiple MSIs assosciated with one device.
Delete that archdata member, and instead store the MSI
number in the IRQ chip data area.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sometimes we were using 32-bit values and the top bits were
getting inadvertantly chopped off. This will matter for the
forthcoming Fire controller MSI support.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/vxy/lksctp-dev
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Cell phone networks do link layer retransmissions and other
things that cause unnecessary timeout retransmits. So allow
the minimum RTO to be inflated per-route to deal with this.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4561/1: i.MX/MX1 GPIO parenthes omission and input setup fix
[ARM] 4557/1: Fix PXA irq gpio initialization
[ARM] 4551/1: s3c24xx: fix wrong virtual address offsets
[ARM] 4552/1: i.MX/MX1 GPIO output setup fix
[ARM] 4553/1: ARM at91: define FIQ_START
[ARM] 4554/1: replace consistent_sync() with flush_ioremap_region()
ARM: OMAP: Enable serial idling and wakeup features
ARM: OMAP2: Force APLLs always active
ARM: OMAP: H3 workqueue fixes
ARM: OMAP: OSK led fixes
ARM: OMAP: fix OMAP1 dmtimer build warning
ARM: OMAP: Fix 32k timer unsupported one-shot mode
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PROTOCOL VIOLATION error cause in ABORT is bad encode when make abort
chunk. When SCTP encode ABORT chunk with PROTOCOL VIOLATION error cause,
it just add the error messages to PROTOCOL VIOLATION error cause, the
rest four bytes(struct sctp_paramhdr) is just add to the chunk, not
change the length of error cause. This cause the ABORT chunk to be a bad
format. The chunk is like this:
ABORT chunk
Chunk type: ABORT (6)
Chunk flags: 0x00
Chunk length: 72 (*1)
Protocol violation cause
Cause code: Protocol violation (0x000d)
Cause length: 62 (*2)
Cause information: 5468652063756D756C61746976652074736E2061636B2062...
Cause padding: 0000
[Needless] 00030010
Chunk Length(*1) = 72 but Cause length(*2) only 62, not include the
extend 4 bytes.
((72 - sizeof(chunk_hdr)) = 68) != (62 +3) / 4 * 4
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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When we recieve a FWD-TSN (meaning the peer has abandoned the data),
we need to clean up any partially received messages that may be
hanging out on the re-assembly or re-ordering queues. This is
a MUST requirement that was not properly done before.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com.>
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de-HZ-ification of the granularity defaults unearthed a pre-existing
property of CFS: while it correctly converges to the granularity goal,
it does not prevent run-time fluctuations in the range of
[-gran ... 0 ... +gran].
With the increase of the granularity due to the removal of HZ
dependencies, this becomes visible in chew-max output (with 5 tasks
running):
out: 28 . 27. 32 | flu: 0 . 0 | ran: 9 . 13 | per: 37 . 40
out: 27 . 27. 32 | flu: 0 . 0 | ran: 17 . 13 | per: 44 . 40
out: 27 . 27. 32 | flu: 0 . 0 | ran: 9 . 13 | per: 36 . 40
out: 29 . 27. 32 | flu: 2 . 0 | ran: 17 . 13 | per: 46 . 40
out: 28 . 27. 32 | flu: 0 . 0 | ran: 9 . 13 | per: 37 . 40
out: 29 . 27. 32 | flu: 0 . 0 | ran: 18 . 13 | per: 47 . 40
out: 28 . 27. 32 | flu: 0 . 0 | ran: 9 . 13 | per: 37 . 40
average slice is the ideal 13 msecs and the period is picture-perfect 40
msecs. But the 'ran' field fluctuates around 13.33 msecs and there's no
mechanism in CFS to keep that from happening: it's a perfectly valid
solution that CFS finds.
to fix this we add a granularity/preemption rule that knows about
the "target latency", which makes tasks that run longer than the ideal
latency run a bit less. The simplest approach is to simply decrease the
preemption granularity when a task overruns its ideal latency. For this
we have to track how much the task executed since its last preemption.
( this adds a new field to task_struct, but we can eliminate that
overhead in 2.6.24 by putting all the scheduler timestamps into an
anonymous union. )
with this change in place, chew-max output is fluctuation-less all
around:
out: 28 . 27. 39 | flu: 0 . 2 | ran: 13 . 13 | per: 41 . 40
out: 28 . 27. 39 | flu: 0 . 2 | ran: 13 . 13 | per: 41 . 40
out: 28 . 27. 39 | flu: 0 . 2 | ran: 13 . 13 | per: 41 . 40
out: 28 . 27. 39 | flu: 0 . 2 | ran: 13 . 13 | per: 41 . 40
out: 28 . 27. 39 | flu: 0 . 1 | ran: 13 . 13 | per: 41 . 40
out: 28 . 27. 39 | flu: 0 . 1 | ran: 13 . 13 | per: 41 . 40
this patch has no impact on any fastpath or on any globally observable
scheduling property. (unless you have sharp enough eyes to see
millisecond-level ruckles in glxgears smoothness :-)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
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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]: Make flush_tlb_kernel_range() an inline function.
[SERIAL]: Fix 32-bit warnings in sunzilog.c and sunsu.c
[SPARC32]: Kill unused vars and macros from prom/console.c
[SPARC32]: Add __cmpdi2() libcall implementation ala. MIPS.
[VIDEO]: Do not prom_halt() in cg3 and bw2 device probe.
[SUNVDC]: Use slice 0xff on VD_DISK_TYPE_DISK.
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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:
[NET]: Mark Paul Moore as maintainer of labelled networking.
[VLAN/BRIDGE]: Fix "skb_pull_rcsum - Fatal exception in interrupt"
[ISDN]: Get rid of some pointless allocation casts in common and bsd comp.
[NET]: Avoid pointless allocation casts in BSD compression module
[IRDA]: Do not do pointless kmalloc return value cast in KingSun driver
[NET]: Fix crash in dev_mc_sync()/dev_mc_unsync()
[PPPOL2TP]: Fix endianness annotations.
[IOAT]: ioatdma needs to to play nice in a multi-dma-client world
[SLIP]: trivial sparse warning fix
[EQL]: sparse warning fix
[NET]: is_power_of_2 in net/core/neighbour.c
[TCP]: Describe tcp_init_cwnd() thoroughly in a comment.
[NET]: Fix IP_ADD/DROP_MEMBERSHIP to handle only connectionless
[KBUILD]: Sanitize tc_ematch headers.
[IPSEC] AH4: Update IPv4 options handling to conform to RFC 4302.
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (60 commits)
[MIPS] Fulong doesn't need ISA DMA.
[MIPS] IP27: intr_sconnect_level: don't disable interrupts.
[MIPS] IP27: startup_bridge_irq: connect interrupt.
[MIPS] IP27: shutdown_bridge_irq: don't free irq.
[MIPS] Sort out handling of ISA-less PCI systems.
[MIPS] Add __cmpdi2
[MIPS] HOTPLUG: Make register_pci_controller __devinit.
[MIPS] PCI: Remove __devinit attribute from pcibios_fixup_bus.
[MIPS] PCI: Remove __devinit attribute from pcibios_fixup_bus.
[MIPS] Delete duplicate inclusion of <linux/delay.h>.
[MIPS] Polish <asm/edac.h>.
[MIPS] IP22: Export sgi_gfxaddr for use by the Newport console driver.
[MIPS] Maintain si_code field properly for FP exceptions
[MIPS] SMTC: Fix duplicate status dumps on NMI
[MIPS] Unconditionally writeback and invalidate caches on kexec.
[PATCH] rtc: Make rtc-rs5c348 driver hotplug-aware
[MIPS] Fix gcc 3.3 warning.
[MIPS] Fix invalid semicolon after if statement
[MIPS] Update Cobalt defconfig
[MIPS] Update workpad_defconfig
...
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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] Fix SLB initialization at boot time
[POWERPC] Fix undefined reference to device_power_up/resume
[POWERPC] cell: Update cell_defconfig for 2.6.23
[POWERPC] axonram: Do not delete gendisks queue in error path
[POWERPC] axonram: Module modification for latest firmware API changes
[POWERPC] cell: Support pinhole-reset on IBM cell blades
[POWERPC] spu_manage: Use newer physical-id attribute
[POWERPC] pasemi: Another IOMMU bugfix for 64K PAGE_SIZE
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
[PARISC] Add NOTES section
[PARISC] Use compat_sys_getdents
[PARISC] Do not allow STI_CONSOLE to be modular
[PARISC] Clean up sti_flush
[PARISC] Add dummy isa_(bus|virt)_to_(virt|bus) inlines
[PARISC] Add empty <asm-parisc/vga.h>
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Less painful than fixing up the Kconfig for a pile of drivers to only build
on X86 && ARM && MIPS...
Just make them BUG(), as defining them to be 1:1 with physical memory will
likely HPMC the box anyways.
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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This avoids unused variable warnings in places like mm/vmalloc.c:
mm/vmalloc.c: In function ‘unmap_kernel_range’:
mm/vmalloc.c:75: warning: unused variable ‘start’
caused by it previously being a macro.
Signed-off-by: David S. Miller <davem@davemloft.net>
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{s,d}_{session,tunnel} in pppol2tp_addr are actually host-endian
everywhere. We might switch them to net-endian, of course, but
that structure is exposed to userland via getname...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The headers in tc_ematch are used by iproute2, so these headers should
be processed.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Work around gcc 3.3's unability to evaluate that certain expressions indeed
are constant.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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And gcc 3.4 doesn't even warn out this, grrr.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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CC arch/mips/kernel/traps.o
arch/mips/kernel/traps.c: In function 'show_backtrace':
arch/mips/kernel/traps.c:110: warning: unused variable 'ra'
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Cleanup jmr3927, tx4927 and tx4938 irq codes, using common IRQ_CPU,
I8259 and IRQ_TXX9 irq routines.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add generic irq_chip for TX39/TX49 SoCs. This can be replace
jmr3927_irq_irc, tx4927_irq_pic_type and tx4938_irq_pic_type.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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For the generation of asm-offset.h to work these need to be evaulatable
by gcc as a constant expression. This issue did exist for a while but
didn't bite because they're only in asm-offset.h for debugging purposes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
sched: cleanup, sched_granularity -> sched_min_granularity
sched: adaptive scheduler granularity
sched: fix CONFIG_SCHED_DEBUG dependency of lockdep sysctls
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due to adaptive granularity scheduling the role of sched_granularity
has changed to "minimum granularity", so rename the variable (and the
tunable) accordingly.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
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Instead of specifying the preemption granularity, specify the wanted
latency. By fixing the granlarity to a constany the wakeup latency
it a function of the number of running tasks on the rq.
Invert this relation.
sysctl_sched_granularity becomes a minimum for the dynamic granularity
computed from the new sysctl_sched_latency.
Then use this latency to do more intelligent granularity decisions: if
there are fewer tasks running then we can schedule coarser. This helps
performance while still always keeping the latency target.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6
* 'agp-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6:
agp: balance ioremap checks
agp: Add device id for P4M900 to via-agp module
efficeon-agp leaks 'struct agp_bridge_data' in error paths of agp_efficeon_probe()
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master.kernel.org:/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
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Signed-off-by: Dave Airlie <airlied@linux.ie>
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Linus Torvalds
David Gibson
Shane Huang
Rafael J. Wysocki
Jeff Dike
Tejun Heo
Christoph Lameter
Bartlomiej Zolnierkiewicz
David S. Miller
Wei Yongjun
Vlad Yasevich
Ingo Molnar
Kyle McMartin
Al Viro
Stephen Hemminger
Ralf Baechle
Yoichi Yuasa
Atsushi Nemoto
Peter Zijlstra
Russell King
Xavier Bachelot