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Reworked by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This adds block-step support on powerpc, including a PTRACE_SINGLEBLOCK
request for ptrace.
The BookE implementation is tweaked to fire a single step after a
block step in order to mimmic the server behaviour.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Added support for the new xps tft controller. The new core
has PLB interface support in addition to existing DCR interface.
Removed platform device support as both MicroBlaze and PowerPC
use device tree.
Previously, the dcr interface was assumed to be used in mmio mode,
and the register space of the dcr interface was precomputed and stuffed
into the device tree. This driver now makes use of the new dcr
infrastructure to represent the dcr interface. This enables the dcr
interface to be connected directly to a native dcr interface in a clean
way.
Added compatibility for ml507 dvi core.
Signed-off-by: Suneel <suneelg@xilinx.com>
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
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As subject says, add dts files for Xilinx ML510 reference design with
the PCI host bridge device.
Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch refactors some of the xilinx_intc interrupt controller driver
and adds support for cascading an i8259 off one of the irq lines.
This patch was based on the ML510 support work done by Roderick
Colenbrander.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch adds support for the Xilinx plbv46-pci-1.03.a PCI host
bridge IPcore.
Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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It was __devinit, but it is also within a CONFIG_HOTPLUG guarded section
of code, so the __devinit does nothing but cause the following warning:
WARNING: vmlinux.o(.text+0x107a8): Section mismatch in reference from the function pcibios_finish_adding_to_bus() to the function .devinit.text:pcibios_claim_one_bus()
The function pcibios_finish_adding_to_bus() references
the function __devinit pcibios_claim_one_bus().
This is often because pcibios_finish_adding_to_bus lacks a __devinit
annotation or the annotation of pcibios_claim_one_bus is wrong.
It is also only (externally) used in arch/powerpc/kernel/of_platform.c
which cannot be built as a module so don't export it.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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There's no need to wrap PPC_INST_NOP in a static inline.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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These macros were used in the original port, but since commit
e4486fe316 (ftrace, use probe_kernel API to modify code) they
are unused.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Use ppc_function_entry() from code-patching.h.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch updates the output from /proc/ppc64/lparcfg to display the
processor virtualization resource allocations for a shared processor
partition.
This information is already gathered via the h_get_ppp call, we just
have to make sure that the ibm,partition-performance-parameters-level
property is >= 1 to ensure that the information is valid.
Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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RTAS event scan has to run across all cpus. Right now we use a kernel
thread and set_cpus_allowed but in doing so we wake up the previous cpu
unnecessarily.
Some ftrace output shows this:
previous cpu (2):
[002] 7.022331: sched_switch: task swapper:0 [140] ==> rtasd:194 [120]
[002] 7.022338: sched_switch: task rtasd:194 [120] ==> migration/2:9 [0]
[002] 7.022344: sched_switch: task migration/2:9 [0] ==> swapper:0 [140]
next cpu (3):
[003] 7.022345: sched_switch: task swapper:0 [140] ==> rtasd:194 [120]
[003] 7.022371: sched_switch: task rtasd:194 [120] ==> swapper:0 [140]
We can use schedule_delayed_work_on and avoid the unnecessary wakeup.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This bit would get enabled sometimes (probably after suspend/resume), so the
fan would run at full speed below the temperature thresholds, but slow down and
eventually stop if temperatures rose above the thresholds... not exactly what
you want.
Signed-off-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Do not go beyond ARRAY_SIZE of tape_device and viotape_unitinfo
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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We can compile and boot with NR_CPUS=8192, so make this the max. 1024
was an arbitrary decision anyway.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin:
Blackfin: fix strncmp.o build error
Blackfin: drop unneeded asm/.gitignore
Blackfin: ignore generated vmlinux.lds
MAINTAINERS: drop (subscribers-only) markings on Blackfin lists
MAINTAINERS: update Blackfin items
Blackfin: hook up preadv/pwritev syscalls
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix up dma_alloc_coherent() on platforms without cache coherency.
powerpc: Minor cleanups of kernel virt address space definitions
powerpc: Move dma-noncoherent.c from arch/powerpc/lib to arch/powerpc/mm
Revert "powerpc: Rework dma-noncoherent to use generic vmalloc layer"
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Fix up renamed filenames in comments in fs/cachefiles/internal.h.
Originally, the files were all called cf-xxx.c, but they got renamed to
just xxx.c.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix up renamed filenames in comments in fs/fscache/internal.h.
Originally, the files were all called fsc-xxx.c, but they got renamed to
just xxx.c.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://neil.brown.name/md:
md: raid5: change incorrect usage of 'min' macro to 'min_t'
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A recent patch to raid5.c use min on an int and a sector_t.
This isn't allowed.
So change it to min_t(sector_t,x,y).
Signed-off-by: NeilBrown <neilb@suse.de>
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The implementation we just revived has issues, such as using a
Kconfig-defined virtual address area in kernel space that nothing
actually carves out (and thus will overlap whatever is there),
or having some dependencies on being self contained in a single
PTE page which adds unnecessary constraints on the kernel virtual
address space.
This fixes it by using more classic PTE accessors and automatically
locating the area for consistent memory, carving an appropriate hole
in the kernel virtual address space, leaving only the size of that
area as a Kconfig option. It also brings some dma-mask related fixes
from the ARM implementation which was almost identical initially but
grew its own fixes.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Make FIXADDR_TOP a compile time constant and cleanup a
couple of definitions relative to the layout of the kernel
address space on ppc32. We also print out that layout at
boot time for debugging purposes.
This is a pre-requisite for properly fixing non-coherent
DMA allocactions.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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(pre-requisite to make the next patches more palatable)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Fix some more fallout of the string changes:
CC arch/blackfin/lib/strncmp.o
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:90,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:5,
from include/linux/kmod.h:23,
from include/linux/module.h:14,
from arch/blackfin/lib/strncmp.c:14:
include/linux/string.h: In function ‘strstarts’:
include/linux/string.h:132: error: implicit declaration of function ‘strncmp’
make[1]: *** [arch/blackfin/lib/strncmp.o] Error 1
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
CC: Rusty Russell <rusty@rustcorp.com.au>
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We don't create a include/asm/mach/ symlink anymore, so we don't need the
.gitignore for it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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All of the Blackfin lists are transparently moderated for non-subscribers.
i.e. there are no annoying notices and people get whitelisted after first
their posting.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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With Bryan Wu having moved on to another job, push the slack onto some
other ADI lackeys.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This reverts commit 33f00dcedb0e22cdb156a23632814fc580fcfcf8.
While it was a good idea to try to use the mm/vmalloc.c allocator instead
of our own (in fact, ours is itself a dup on an old variant of the vmalloc
one), unfortunately, the approach is terminally busted since
dma_alloc_coherent() can be called at interrupt time or in atomic contexts
and there's little chances we'll make the code in mm/vmalloc.c cope with\ that :-(
Until we can get the generic code to forbid that idiocy and fix all
drivers abusing it, we pretty much have no choice but revert to
our custom virtual space allocator.
There's also a problem with SMP safety since freeing such mapping
would require an IPI which cannot be done at interrupt time.
However, right now, I don't think we support any platform that is
both SMP and has non-coherent DMA (don't laugh, I know such things
do exist !) so we can sort that out later.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
tomoyo: add missing call to cap_bprm_set_creds
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cap_bprm_set_creds() has to be called from security_bprm_set_creds().
TOMOYO forgot to call cap_bprm_set_creds() from tomoyo_bprm_set_creds()
and suid executables were not being working.
Make sure we call cap_bprm_set_creds() with TOMOYO, to set credentials
properly inside tomoyo_bprm_set_creds().
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.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: avoid back to back on_each_cpu in cpa_flush_array
x86, relocs: ignore R_386_NONE in kernel relocation entries
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Add support for VGA load detection (pre-945).
drm/i915: Use an I2C algo to do the flip to SDVO DDC bus.
drm/i915: Determine type before initialising connector
drm/i915: Return SDVO LVDS VBT mode if no EDID modes are detected.
drm/i915: Fetch SDVO LVDS mode lines from VBT, then reserve them
i915: support 8xx desktop cursors
drm/i915: allocate large pointer arrays with vmalloc
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
oprofile: fix cpu buffer size
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Cleanup cpa_flush_array() to avoid back to back on_each_cpu() calls.
[ Impact: optimizes fix 0af48f42df15b97080b450d24219dd95db7b929a ]
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
NFSv4: Fix the case where NFSv4 renewal fails
nfs: fix build error in nfsroot with initconst
XPRTRDMA: fix client rpcrdma FRMR registration on mlx4 devices
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Add missing check of pin vref 50 and others in Realtek codecs
ALSA: hda - Add 5stack-no-fp model for STAC927x
ALSA: hda - Add forced codec-slots for ASUS W5Fm
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] powernow-k8: determine exact CPU frequency for HW Pstates
[CPUFREQ] powernow-k8 cleanup msg if BIOS does not export ACPI _PSS cpufreq data
[CPUFREQ] fix timer teardown in ondemand governor
[CPUFREQ] fix timer teardown in conservative governor
[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call
[CPUFREQ] powernow-k7 build fix when ACPI=n
[CPUFREQ] add atom family to p4-clockmod
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When KVM is loaded, and hence VT set up, the vmcall instruction in an
lguest guest causes a #GP, not #UD.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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call_usermodehelper_setup() forgot to kfree(sub_info)
when prepare_usermodehelper_creds() failed.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
r8169: avoid losing MSI interrupts
tcp: tcp_vegas ssthresh bugfix
mac8390: fix regression caused during net_device_ops conversion
gianfar: fix BUG under load after introduction of skb recycling
wimax/i2400m: usb: fix device reset on autosuspend while not yet idle
RxRPC: Error handling for rxrpc_alloc_connection()
ipv4: Fix oops with FIB_TRIE
pktgen: do not access flows[] beyond its length
gigaset: beyond ARRAY_SIZE of iwb->data
IPv6: set RTPROT_KERNEL to initial route
net: fix rtable leak in net/ipv4/route.c
net: fix length computation in rt_check_expire()
wireless: beyond ARRAY_SIZE of intf->crypto_stats
iwlwifi: update 5000 ucode support to version 2 of API
cfg80211: fix race between core hint and driver's custom apply
airo: fix airo_get_encode{,ext} buffer overflow like I mean it...
ath5k: fix interpolation with equal power levels
iwlwifi: do not cancel delayed work inside spin_lock_irqsave
ath5k: fix exp off-by-one when computing OFDM delta slope
wext: verify buffer size for SIOCSIWENCODEEXT
...
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/mm: Fix broken MMU PID stealing on !SMP
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* 'for-linus' of git://neil.brown.name/md:
md: don't use locked_ioctl.
md: don't update curr_resync_completed without also updating reshape_position.
md: raid5: avoid sector values going negative when testing reshape progress.
md: export 'frozen' resync state through sysfs
md: bitmap: improve bitmap maintenance code.
md: improve errno return when setting array_size
md: always update level / chunk_size / layout when writing v1.x metadata.
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If the asynchronous lease renewal fails (usually due to a soft timeout),
then we _must_ schedule state recovery in order to ensure that we don't
lose the lease unnecessarily or, if the lease is already lost, that we
recover the locking state promptly...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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fix build error with latest kbuild adjustments to initconst.
The commit a447c0932445f92ce6f4c1bd020f62c5097a7842 ("vfs: Use
const for kernel parser table") changed:
static match_table_t __initdata tokens = {
to
static match_table_t __initconst tokens = {
But the missing const causes popwerpc to fail with latest
updates to __initconst like this:
fs/nfs/nfsroot.c:400: error: __setup_str_nfs_root_setup causes a section type conflict
fs/nfs/nfsroot.c:400: error: __setup_str_nfs_root_setup causes a section type conflict
The bug is only present with kbuild-next.
Following patch has been build tested.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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mlx4/connectX FRMR requires local write enable together with remote
rdma write enable. This fixes NFS/RDMA operation over the ConnectX
Infiniband HCA in the default memreg mode.
Signed-off-by: Vu Pham <vu@mellanox.com>
Signed-off-by: Tom Talpey <tmtalpey@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Two approaches for VGA detections: hot plug detection for 945G onwards
and load pipe detection for Pre-945G. Load pipe detection will get one free
pipe, set border color as red and blue, then check CRT status by
swf register. This is a sync-up with the 2D driver.
Signed-off-by: Ma Ling <ling.ma@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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