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This is a merge of Peter Keilty's initial patch (which was
revived by Bob Picco) for this with Hidetoshi Seto's fixes
and scaling improvements.
Acked-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
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: Ralf Baechle <ralf@linux-mips.org>
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None of weakly ordered processor supported in tree need this but it seems
like this could change ...
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: Ralf Baechle <ralf@linux-mips.org>
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The kvm mmu uses page->private on shadow page tables; so does slub, and
an oops result. Fix by allocating regular pages for shadows instead of
using slub.
Tested-by: S.Çağlar Onur <caglar@pardus.org.tr>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Allow real-mode emulation of rdmsr and wrmsr. This allows smp Windows to
boot, presumably for its sipi trampoline.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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The memory slot management functions were oriented against vcpu 0, where
they should be kvm-wide. This causes hangs starting X on guest smp.
Fix by making the functions (and resultant tail in the mmu) non-vcpu-specific.
Unfortunately this reduces the efficiency of the mmu object cache a bit. We
may have to revisit this later.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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We need to distinguish between large page shadows which have the nx bit set
and those which don't. The problem shows up when booting a newer smp Linux
kernel, where the trampoline page (which is in real mode, which uses the
same shadow pages as large pages) is using the same mapping as a kernel data
page, which is mapped using nx, causing kvm to spin on that page.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sfr/ofcons
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/ofcons:
Create drivers/of/platform.c
Create linux/of_platorm.h
[SPARC/64] Rename some functions like PowerPC
Begin consolidation of of_device.h
Begin to consolidate of_device.c
Consolidate of_find_node_by routines
Consolidate of_get_next_child
Consolidate of_get_parent
Consolidate of_find_property
Consolidate of_device_is_compatible
Start split out of common open firmware code
Split out common parts of prom.h
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: appletouch - improve powersaving for Geyser3 devices
Input: lifebook - fix an oops on Panasonic CF-18
Input: document intended meaning of KEY_SWITCHVIDEOMODE
Input: switch to using seq_list_xxx helpers
Input: i8042 - give more trust to PNP data on i386
Input: add driver for Fujitsu serial touchscreens
Input: ads7846 - re-check pendown status before reporting events
Input: ads7846 - introduce sample settling delay
Input: xpad - add support for leds on xbox 360 pad
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linux Torvalds <torvalds@linux-foundation.org>
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If add_to_page_cache_lru() fails, the page will not be locked. But
splice jumps to an error path that does a page release and unlock,
causing a BUG() in unlock_page().
Fix this by adding one more label that just releases the page. This bug
was actually triggered on EL5 by gurudas pai <gurudas.pai@oracle.com>
using fio.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Guests currently use the default scheduler clock: this means they
always use jiffies even if TSC is actually available. It doesn't make
any noticeable difference here, but it's a better thing to do.
Also remove commented-out asm/sched-clock.h from -mm tree.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The sense of the IF bit is backwards in the host interrupt handling.
This means we always save "IF=1" on the stack when injecting an
interrupt. It turns out this is almost always correct (unless the
guest is taking a page fault in an interrupt due to an unpopulated
vmalloc mapping), so went unnoticed.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix afs_send_simple_reply() to accept a greater-than-zero return value from
rxrpc_kernel_send_data() as being a successful return rather than thinking it
an error and aborting the call.
rxrpc_kernel_send_data() previously returned zero incorrectly when it worked
successfully, but has been patched to return the number of bytes it
transmitted.
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/lethal/sh-2.6: (26 commits)
sh: intc - add support for SH7750 and its variants
sh: Move entry point code to .text.head.
sh: heartbeat: Shut up resource size warning.
sh: update r2d defconfig and fix SH7751R pci compliation
sh: Many symbol exports for nommu allmodconfig.
sh: zero terminate 8250 platform data for r2d board
sh: cpufreq: Fix up the build for SH-2.
sh: Make on-chip DMA channel selection explicit.
sh: Fix up CPU dependencies for on-chip DMAC.
sh: cpufreq: clock framework support.
sh: Support rate rounding for SH7722 FRQCR clocks.
sh: Implement clk_round_rate() in the clock framework.
sh: Fix up PCI section mismatch warnings.
sh: Wire up fallocate() syscall.
sh: intc - add support for 7780
sh: intc - improve group support
sh: Fix up SH-3 and SH-4 driver dependencies.
sh: push-switch: Correct license string.
sh: cpufreq: Fix driver dependencies and flag as broken.
sh: IPR/INTC2 IRQ setup consolidation.
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* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (102 commits)
[ALSA] version 1.0.14
[ALSA] remove duplicate Logitech Quickcam USB ID in usbquirks.h
[ALSA] hda-codec - Fix input with STAC92xx
[ALSA] hda-intel: support for iMac 24'' released on 09/2006
[ALSA] hda-codec - Add quirk for Asus P5LD2
[ALSA] snd-ca0106: Add support for X-Fi Extreme Audio.
[ALSA] snd-emu10k1:Enable E-Mu 1616m notebook firmware loading.
[ALSA] snd-emu10k1: Initial support for E-Mu 1616 and 1616m.
[ALSA] cs46xx - Fix PM resume
[ALSA] hda: Enable SPDIF in/out on some stac9205 boards
[ALSA] timer: check for incorrect device state in non-debug compiles, too
[ALSA] snd-aoa-codec-onyx: fix typo
[ALSA] hda-codec - Add quirks for HP dx2200/dx2250
[ALSA] hda-codec - Rename HP model-specific quirks
[ALSA] hda-codec - Add quirk for HP Samba
[ALSA] hda-codec - Add LG LW20 line-in capture source
[ALSA] usb-audio - Fix AC3 with M-Audio Audiophile USB
[ALSA] hda: stac9202 mixer fix
[ALSA] Make s3c24xx_i2s_set_clkdiv() change the correct bits
[ALSA] hda-codec - Add LG LW20 si3054 modem id
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6:
sh64: Flag sh64_get_page() as __init_refok.
sh64: Move entry point code to .text.head.
sh64: Fix up PCI section mismatch warnings.
sh64: Update cayman defconfig.
sh64: Wire up fallocate() syscall.
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* 'cfq' of git://git.kernel.dk/data/git/linux-2.6-block:
cfq: Write-only stuff in CFQ data structures
cfq: async queue allocation per priority
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Update arm to use bitwise types for its VM_FAULT_ constants.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Russell King <rmk@arm.linux.org.uk>
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: (29 commits)
libata: implement EH fast drain
libata: schedule probing after SError access failure during autopsy
libata: clear HOTPLUG flag after a reset
libata: reorganize ata_ehi_hotplugged()
libata: improve SCSI scan failure handling
libata: quickly trigger SATA SPD down after debouncing failed
libata: improve SATA PHY speed down logic
The SATA controller device ID is different according to
ahci: implement SCR_NOTIFICATION r/w
ahci: make NO_NCQ handling more consistent
libata: make ->scr_read/write callbacks return error code
libata: implement AC_ERR_NCQ
libata: improve EH report formatting
sata_sil24: separate out sil24_do_softreset()
sata_sil24: separate out sil24_exec_polled_cmd()
sata_sil24: replace sil24_update_tf() with sil24_read_tf()
ahci: separate out ahci_do_softreset()
ahci: separate out ahci_exec_polled_cmd()
ahci: separate out ahci_kick_engine()
ahci: use deadline instead of fixed timeout for 1st FIS for SRST
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I recently ran Lindent over the AdvanSys driver and it moved the
comments on #else and #endif lines way over to the right:
#else /* ADVANSYS_DEBUG */
This doesn't match what I expect from kernel style, but it is
documented. We just need another flag to indent to make this look like:
#else /* ADVANSYS_DEBUG */
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Coverity found a memory leak in tpm_ascii_bios_measurements_open().
If "read_log(log)" fails, then we may leak 'log' and
'log->bios_event_log'.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Seiji Munetoh <munetoh@jp.ibm.com>
Cc: Stefan Berger <stefanb@us.ibm.com>
Cc: Reiner Sailer <sailer@watson.ibm.com>
Cc: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reformat show_cpuinfo() to be consistent with normal coding style
(and rest of this file).
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Coverity checker noticed that we allocate too little storage for
"struct cr_panel *crp" in cr_backlight_probe().
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Thomas Hellstrom <thomas@tungstengraphics.com>
Cc: Alan Hourihane <alanh@tungstengraphics.com>
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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Andrew Morton:
[async_memcpy] is very wrong if both ASYNC_TX_KMAP_DST and
ASYNC_TX_KMAP_SRC can ever be set. We'll end up using the same kmap
slot for both src add dest and we get either corrupted data or a BUG.
Evgeniy Polyakov:
Btw, shouldn't it always be kmap_atomic() even if flag is not set.
That pages are usual one returned by alloc_page().
So fix the usage of kmap_atomic and kill the ASYNC_TX_KMAP_DST and
ASYNC_TX_KMAP_SRC flags.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix page index to offset conversion overflows in buffer layer, ecryptfs,
and ocfs2.
It would be nice to convert the whole tree to page_offset, but for now
just fix the bugs.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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zone_movable_pfn is presently marked as __initdata and referenced from
adjust_zone_range_for_zone_movable(), which in turn is referenced by
zone_spanned_pages_in_node(). Both of these are __meminit annotated. When
memory hotplug is enabled, this will oops on a hot-add, due to
zone_movable_pfn having been freed.
__meminitdata annotation gives the desired behaviour.
This will only impact platforms that enable both memory hotplug
and ARCH_POPULATES_NODE_MAP.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Mel Gorman <mel@csn.ul.ie>
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>
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Every file should include the headers containing the prototypes for
its global functions.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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One of the nice ideas behind paravirt is that CONFIG_XEN=y can be included
in a standard configuration and be no worse for native booting than as a
Xen guest. The glibc feature that supports the vDSO "nosegneg" note is
designed specifically to make this easy. You just have to flip one bit at
boot time. This patch makes Xen flip the bit, so a CONFIG_XEN=y kernel on
bare hardware does not make glibc use the less-optimized library builds.
Signed-off-by: Roland McGrath <roland@redhat.com>
Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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 two year old bug in early bootup asm.
[SPARC64]: Update defconfig.
[SPARC64]: Fix log message type in vio_create_one().
[SPARC64]: Tweak assertions in sun4v_build_virq().
[SPARC64]: Tweak kernel log messages in power_probe().
[SPARC64]: Fix handling of multiple vdc-port nodes.
[SPARC64]: Fix device type matching in VIO's devspec_show().
[SPARC64]: Fix MODULE_DEVICE_TABLE() specification in VDC and VNET.
[SPARC]: Add sys_fallocate() entries.
[SPARC64]: Use orderly_poweroff().
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (44 commits)
USB: drivers/usb/storage/dpcm.c whitespace cleanup
USB: r8a66597-hcd: fixes some problem
USB: change name of spinlock in hcd.c
USB: move routines in hcd.c
USB: misc: uss720: clean up urb->status usage
USB: misc: usbtest: clean up urb->status usage
USB: misc: usblcd: clean up urb->status usage
USB: misc: phidgetmotorcontrol: clean up urb->status usage
USB: misc: phidgetkit: clean up urb->status usage
USB: misc: legousbtower: clean up urb->status usage
USB: misc: ldusb: clean up urb->status usage
USB: misc: iowarrior: clean up urb->status usage
USB: misc: ftdi-elan: clean up urb->status usage
USB: misc: auerswald: clean up urb->status usage
USB: misc: appledisplay: clean up urb->status usage
USB: misc: adtux: clean up urb->status usage
USB: core: message: clean up urb->status usage
USB: image: microtek: clean up urb->status usage
USB: image: mdc800: clean up urb->status usage
USB: storage: onetouch: clean up urb->status usage
...
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Since we have use like ~SLUB_DMA, we ought to have the type
set right in both cases.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It's C, not C++...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It's void __user *, not void * __user...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Doing |= 1 << 19 to 16bit unsigned is not particulary useful;
that register is 32bit, unlike the ones dealt with in the rest of
function, so we need u32 variable here.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Wrong order of arguments
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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anything that wants working dma-mapping won't work
parport_pc won't work on m68k unless we have ISA
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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i.e. tell modpost that entry point code (that has to be outside
of .init.text for external reasons) is OK to refer to .init.*
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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