| Commit message (Collapse) | Author | Age |
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This patch fixes various badnesses like this for all interrupt
controllers:
------------[ cut here ]------------
Badness at c04db9dc [verbose debug info unavailable]
NIP: c04db9dc LR: c04db9ac CTR: 00000000
REGS: c053de30 TRAP: 0700 Not tainted (2.6.31-rc1-00432-ge69b2b5-dirty)
MSR: 00021000 <ME,CE> CR: 22020084 XER: 00000000
TASK = c0500480[0] 'swapper' THREAD: c053c000
GPR00: 00000001 c053dee0 c0500480 00000000 00000050 00000020 3fffffff 00000000
GPR08: 00000001 c0540000 e0080080 00000000 22000084 64183600 3ff8f800 00000000
GPR16: 841b0240 449a0303 00000000 00000000 00000000 00000000 00000000 c04f5bf4
GPR24: 00000000 00000000 00000000 00000050 00000020 00000000 3fffffff 00000050
NIP [c04db9dc] alloc_arch_preferred_bootmem+0x48/0x74
LR [c04db9ac] alloc_arch_preferred_bootmem+0x18/0x74
Call Trace:
[c053dee0] [c000a5a4] __of_address_to_resource+0x44/0xd0 (unreliable)
[c053def0] [c04dba58] ___alloc_bootmem_nopanic+0x50/0x108
[c053df20] [c04dbb28] ___alloc_bootmem+0x18/0x50
[c053df30] [c04d5de0] qe_ic_init+0x5c/0x1b0
[c053df70] [c04d77b0] mpc85xx_mds_pic_init+0xb8/0x10c
[c053dfb0] [c04cf374] init_IRQ+0x28/0x3c
p.s. commit 85355bb272db31a3f2dd99d547eef794805e1319 ("powerpc: Fix
mpic alloc warning") missed some alloc_bootmem() instances, this is
now fixed.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Current implementation of spin_event_timeout can be interrupted by an
IRQ or context switch after testing the condition, but before checking
the timeout. This can cause the loop to report a timeout when the
condition actually became true in the middle.
This patch adds one final check of the condition upon exit of the loop
if the last test of the condition was still false.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
2036 368 8 2412 96c arch/powerpc/mm/pgtable.o
size after:
text data bss dec hex filename
1677 248 8 1933 78d arch/powerpc/mm/pgtable.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
7083 1616 0 8699 21fb arch/powerpc/../axon_msi.o
size after:
text data bss dec hex filename
5772 1208 0 6980 1b44 arch/powerpc/../axon_msi.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
3252 384 0 3636 e34 arch/powerpc/mm/gup.o
size after:
text data bss dec hex filename
2576 96 0 2672 a70 arch/powerpc/mm/gup.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
3261 416 4 3681 e61 arch/powerpc/mm/slb.o
size after:
text data bss dec hex filename
2861 248 4 3113 c29 arch/powerpc/mm/slb.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Remove duplicated #include('s) in
arch/powerpc/kernel/mpc7450-pmu.c
arch/powerpc/kernel/ppc970-pmu.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
1508 48 28 1584 630 powerpc/mm/mmu_context_nohash.o
size after:
text data bss dec hex filename
1088 0 28 1116 45c powerpc/mm/mmu_context_nohash.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
7720 5488 296 13504 34c0 platforms/pseries/xics.o
size after:
text data bss dec hex filename
7535 5456 296 13287 33e7 platforms/pseries/xics.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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pr_debug() can now result in code being generated even when DEBUG
is not defined. That's not really desirable in some places.
In particular, pSeries_lpar_hpte_insert() goes from 185 instructions
to 77 instructions as a result of this patch. Luckily that code
isn't called very often ...
With CONFIG_DYNAMIC_DEBUG=y:
size before:
text data bss dec hex filename
7284 1552 296 9132 23ac platforms/pseries/lpar.o
size after:
text data bss dec hex filename
5806 1096 296 7198 1c1e platforms/pseries/lpar.o
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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With -Werror enabled during the build, the warp.c file fails to build
due to the temp_isr function not containing a return statement. This
fixes the build error and documents that the function never returns.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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The GPIO LEDS driver now has a default state of "keep". Update the Warp DTS
and platform file to take advantage of this new state. This removes the
hardcoding of the two LEDs on the Warp.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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* Enable GPIO LEDS and LED triggers
* Move to SLUB
* Enable HOTPLUG
* Enable timestamps on printks
* Enable UBIFS
* Enable in-kernel config
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
serial: sh-sci: fix sci interrupt handler
video: hitfb: Move over to dev_pm_ops.
video: hitfb: Convert to framebuffer_alloc().
video: sh_mobile_lcdcfb: Convert to framebuffer_alloc().
sh: add r8a66597 usb0 host to the se7724 board
usb: allow sh7724 to enable on-chip r8a66597
sh-sci: update receive error handling for muxed irqs
sh: define PERF_COUNTER_INDEX_OFFSET.
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh/for-2.6.31
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Add USB host support for port CN27 on the Solution Engine 7724
board. The r8a66597-hcd driver is hooked up as a platform device
and some registers are configured to enable the USB host function.
The hardware driving the USB port is the on-chip USB0 block in
the sh7724 processor configured as USB host controller.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Fixes up recent build breakage.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: fix usage of bios intcall()
x86: Remove unused function lapic_watchdog_ok()
x86: Remove unused variable disable_x2apic
x86, kvm: Fix section mismatches in kvm.c
x86: Add missing annotation to arch/x86/lib/copy_user_64.S::copy_to_user
x86: Fix fixmap page order for FIX_TEXT_POKE0,1
amd-iommu: set evt_buf_size correctly
amd-iommu: handle alias entries correctly in init code
x86: Fix printk call in print_local_apic()
x86: Declare check_efer() before it gets used
x86: Mark device_nb as static and fix NULL noise
x86: Remove double declaration of MSR_P6_EVNTSEL0 and MSR_P6_EVNTSEL1
xen: Use kcalloc() in xen_init_IRQ()
x86: Fix fixmap ordering
x86: Fix symbol annotation for arch/x86/lib/clear_page_64.S::clear_page_c
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Some intcall() misuses the input biosregs as output in
cf06de7b9cdd3efee7a59dced1977b3c21d43732
This fixes the problem vga=ask boot option doesn't show enough modes.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
LKML-Reference: <20090701021307.GA3127@localhost.localdomain>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
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The setting of this variable got lost during the suspend/resume
implementation. But keeping this variable zero causes a divide-by-zero
error in the interrupt handler. This patch fixes this.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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An alias entry in the ACPI table means that the device can send requests to the
IOMMU with both device ids, its own and the alias. This is not handled properly
in the ACPI init code. This patch fixes the issue.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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lapic_watchdog_ok() is a global function but no one is using it.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1246554335.2242.29.camel@jaswinder.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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setup_nox2apic() is writing 1 to disable_x2apic but no one is reading it.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
LKML-Reference: <1246554239.2242.27.camel@jaswinder.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The function paravirt_ops_setup() has been refering the
variable no_timer_check, which is a __initdata. Thus generates
the following warning. paravirt_ops_setup() function is called
from kvm_guest_init() which is a __init function. So to fix
this we mark paravirt_ops_setup as __init.
The sections-check output that warned us about this was:
LD arch/x86/built-in.o
WARNING: arch/x86/built-in.o(.text+0x166ce): Section mismatch in
reference from the function paravirt_ops_setup() to the variable
.init.data:no_timer_check
The function paravirt_ops_setup() references
the variable __initdata no_timer_check.
This is often because paravirt_ops_setup lacks a __initdata
annotation or the annotation of no_timer_check is wrong.
Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Acked-by: Avi Kivity <avi@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <b9df5fa10907012240y356427b8ta4bd07f0efc6a049@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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While examining symbol generation in perf_counter tools, I
noticed that copy_to_user() had no size in vmlinux's symtab.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Alexander van Heukelum <heukelum@fastmail.fm>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
LKML-Reference: <1246512440.13293.3.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Masami reported:
> Since the fixmap pages are assigned higher address to lower,
> text_poke() has to use it with inverted order (FIX_TEXT_POKE1
> to FIX_TEXT_POKE0).
I prefer to just invert the order of the fixmap declaration.
It's simpler and more straightforward.
Backward fixmaps seems to be used by both x86 32 and 64.
It's really rare but a nasty bug, because it only hurts when
instructions to patch are crossing a page boundary. If this
happens, the fixmap write accesses will spill on the following
fixmap, which may very well crash the system. And this does not
crash the system, it could leave illegal instructions in place.
Thanks Masami for finding this.
It seems to have crept into the 2.6.30-rc series, so this calls
for a -stable inclusion.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: <stable@kernel.org>
LKML-Reference: <20090701213722.GH19926@Krystal>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Instead of this:
[ 75.690022] <7>printing local APIC contents on CPU#0/0:
[ 75.704406] ... APIC ID: 00000000 (0)
[ 75.707905] ... APIC VERSION: 00060015
[ 75.722551] ... APIC TASKPRI: 00000000 (00)
[ 75.725473] ... APIC PROCPRI: 00000000
[ 75.728592] ... APIC LDR: 00000001
[ 75.742137] ... APIC SPIV: 000001ff
[ 75.744101] ... APIC ISR field:
[ 75.746648] 0123456789abcdef0123456789abcdef
[ 75.746649] <7>00000000000000000000000000000000
Improve the code to be saner and simpler and just print out
the bitfield in a single line using hexa values - not as a
(rather pointless) binary bitfield.
Partially reused Linus's initial fix for this.
Reported-and-Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4A4C43BC.90506@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This sparse warning:
arch/x86/mm/init.c:83:16: warning: symbol 'check_efer' was not declared. Should it be static?
triggers because check_efer() is not decalared before using it.
asm/proto.h includes the declaration of check_efer(), so
including asm/proto.h to fix that - this also addresses the
sparse warning.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <1246458263.6940.22.camel@hpdv5.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This sparse warning:
arch/x86/kernel/amd_iommu.c:1195:23: warning: symbol 'device_nb' was not declared. Should it be static?
triggers because device_nb is global but is only used in a
single .c file. change device_nb to static to fix that - this
also addresses the sparse warning.
This sparse warning:
arch/x86/kernel/amd_iommu.c:1766:10: warning: Using plain integer as NULL pointer
triggers because plain integer 0 is used in place of a NULL
pointer. change 0 to NULL to fix that - this also address the
sparse warning.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
LKML-Reference: <1246458194.6940.20.camel@hpdv5.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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MSR_P6_EVNTSEL0 and MSR_P6_EVNTSEL1 is already declared in msr-index.h.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
LKML-Reference: <1246450778.6940.8.camel@hpdv5.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The merge of the 32- and 64-bit fixmap headers made a latent
bug on x86-64 a real one: with the right config settings
it is possible for FIX_OHCI1394_BASE to overlap the FIX_BTMAP_*
range.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: <stable@kernel.org> # for 2.6.30.x
LKML-Reference: <4A4A0A8702000078000082E8@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Noticed the zero-sized function symbol while looking at 'perf' profiles,
it causes the profiler to display those addresses in hexa.
Turns out that this was wrong/bogus for an eternity.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Alexander van Heukelum <heukelum@fastmail.fm>
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
LKML-Reference: <1246366820.6538.1.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] amba: fix amba device resources
[ARM] pgtable: file pte layout documentation
[ARM] pgtable: swp pte layout documentation, definitions, and check
[ARM] export __cpu_flush_dcache_page
[ARM] 5576/1: Update kb9202_defconfig
[ARM] 5581/1: U300 clock updates
[ARM] 5579/1: Updated U300 defconfig
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Document the layout of our file PTE entries.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Document the layout of our swp PTE entries, adding definitions for
the bit masks/shifts/sizes, and implement MAX_SWAPFILES_CHECK()
such that we fail to build if we are unable to properly encode the
swp type field.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now required for libsas:
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
Building modules, stage 2.
MODPOST 1096 modules
ERROR: "xscale_flush_kern_dcache_page" [drivers/scsi/libsas/libsas.ko] undefined!
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The default configuration file for the KwikByte kb9202 board was based on a 2.6.13-rc2 kernel and doesn't produce a bootable kernel. Update the
configuration in order to produce a bootable image.
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This adds a few default locks to the clocks (the clocks were used
before the locks were initialized by code), then renames the clocks
a bit to fit with the latest driver names (some changed during
review). Lastly it moves the initialization of the clock debugfs
entry to module_init() initcall level since the debugfs isn't up
in core_initcall().
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This defconfig update selects all the new U300 drivers merged for
2.6.31-rc1 in the merge window and add defaults for the new
config options. It compiles and boots nicely from initramfs on
the U300.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: Fix IRQ swizzling for ARI-enabled devices
ia64/PCI: adjust section annotation for pcibios_setup()
x86/PCI: get root CRS before scanning children
x86/PCI: fix boundary checking when using root CRS
PCI MSI: Fix restoration of MSI/MSI-X mask states in suspend/resume
PCI MSI: Unmask MSI if setup failed
PCI MSI: shorten PCI_MSIX_ENTRY_* symbol names
PCI: make pci_name() take const argument
PCI: More PATA quirks for not entering D3
PCI: fix kernel-doc warnings
PCI: check if bus has a proper bridge device before triggering SBR
PCI: remove pci_dac_dma_... APIs on mn10300
PCI ECRC: Remove unnecessary semicolons
PCI MSI: Return if alloc_msi_entry for MSI-X failed
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Should be __init.
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This allows us to remove adjust_transparent_bridge_resources and give
x86_pci_root_bus_res_quirks a chance when _CRS is not used or not there.
Acked-by: Gary Hade <garyhade@us.ibm.com>
Tested-by: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Don't touch info->res_num if we are out of space.
Acked-by: Gary Hade <garyhade@us.ibm.com>
Tested-by: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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It seems that mn10300 made it upstream after Jan Beulich's pci_dac_dma_*
cleanup work and still defines pci_dac_dma_supported(). This API is not
required by the PCI subsystem anymore, so remove it.
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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* 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Fix cast warning for init.c
microblaze: Wire up new syscalls
microblaze: use generic syscalls.h
microblaze: clean up signal handling
microblaze: convert all simple headers to use asm-generic
microblaze: use the generic lib/checksum.c
microblaze: fall back on generic header files for the ABI
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Wire up new syscalls rt_tgsigqueueinfo and perf_counter_open.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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