| Commit message (Collapse) | Author | Age |
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This patch adds the device definition for the at91_can device to
the generic device definiton file for the at91sam9263.
Signed-off-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev:
m32r: Cleanup linker script using new linker script macros.
m32r: Move the spi_stack_top and spu_stack_top into .init.data section.
m32r: Remove unused .altinstructions and .exit.* code from linker script.
m32r: Move GET_THREAD_INFO definition out of asm/thread_info.h.
m32r: Define THREAD_SIZE only once.
m32r: make PAGE_SIZE available to assembly.
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This patch is largely a straightforward conversion. One thing to note
is that the new macros use fewer separate output sections than the old
code; this should have no functional impact but is relevant for people
objdumping vmlinux files.
Also note that it moves the .data.init_task output sections inside
_edata.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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Since these get squashed into the .data output section by the m32r
linker script, it seems likely that they don't need their own input
sections.
At Hirokazu Takata's suggestion, we place these structures in
.init.data rather than just placing them in .data (since they are only
used at init time).
This patch is preparation for cleaning up the m32r architecture to use
the new macros in vmlinux.lds.h; if these sections are indeed not
needed, then we can use the RW_DATA_SECTION macro for m32r and save a
bunch of redundant code.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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It appears that m32r copied the .altinstructions definition from x86
when the architecture was first merged into Linux. m32r doesn't put
anything in .altinstructions, so this is just dead code.
The following block affecting .exit.text/.exit.data, which has a
comment also copied from x86, should also be deleted; the linker
script later discards the .exit.text and .exit.data sections.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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Previously, asm/thread_info.h was not usable from linker scripts
because it contains a piece of .macro code. Since that code was only
used in the m32r entry.S, the right fix is probably to move the macro
there.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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Previously, m32r's asm/thread_info.h defined THREAD_SIZE differently
for assembly and C code; now that PAGE_SIZE is usable from assembly,
these can be combined. Also, m32r's asm/processor.h redefines
THREAD_SIZE to the same value; remove this redundant definition.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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page.h includes ifndef __ASSEMBLY__ guards, but PAGE_SIZE is defined
using "1UL", which the assembler does not support. Use the _AC macro
from const.h to make it available to assembly (and linker scripts).
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
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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:
Fix build of cpm_uart due to core changes
powerpc/8xx: Fix regression introduced by cache coherency rewrite
powerpc/4xx: Fix erroneous xmon warning on PowerPC 4xx
powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL
powerpc: Cleanup linker script using new linker script macros.
powerpc: Fix ibm,client-architecture-support printout
powerpc: Increase NODES_SHIFT on 64bit from 4 to 8
powerpc/perf_counter: Fix vdso detection
powerpc: Move 64bit heap above 1TB on machines with 1TB segments
powerpc: Change archdata dma_data to a union
powerpc: Rename get_dma_direct_offset get_dma_offset
powerpc/mm: Remove duplicated #include
powerpc/book3e-64: Remove duplicated #include
powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE
powerpc/pmc: Don't access lppaca on Book3E
powerpc: kmalloc failure ignored in vio_build_iommu_table()
hvc_console: Provide (un)locked version for hvc_resize()
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After upgrading to the latest kernel on my mpc875 userspace started
running incredibly slow (hours to get to a shell, even!).
I tracked it down to commit 8d30c14cab30d405a05f2aaceda1e9ad57800f36,
that patch removed a work-around for the 8xx. Adding it
back makes my problem go away.
Signed-off-by: Rex Feany <rfeany@mrv.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The xmon code relies on MSR_RI being non-zero to indicate that an exception
is recoverable. If it is not, it prints a warning message. However, the
PowerPC 4xx cores do not have an MSR_RI bit and this warning is produced for
every xmon event.
This introduces an unrecoverable_excp function to determine if an exception
is recoverable or not. This gets rid of the erroneous warnings on 4xx.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The test to check whether we have _PAGE_SPECIAL defined is broken,
since we always define it, just not always to a meaninful value :-)
That broke 8xx and 40x under some circumstances.
This fixes it by adding _PAGE_SPECIAL for both of these since they
had a free PTE bit, and removing the condition around advertising
it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Cc: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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On machines without the ibm,client-architecture-support call we were missing a
newline. We may as well print the full name in all its glory too - its
ibm,client-architecture-support, not ibm,client-architecture as I mistakenly
wrote (a name only an IBM architect could love).
For my penance I will write out ibm,client-architecture-support 100 times.
Before:
Calling ibm,client-architecture...command line: root=/dev/sda6 console=hvc0 quiet
After:
Calling ibm,client-architecture-support... not implemented
command line: root=/dev/sda6 console=hvc0
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Some System p configurations can already have more than 16 nodes so we
need to increase NODES_SHIFT. I chose 256 to give us some room to grow in the
future, although we can look at something smaller if the memory bloat is
considered too much.
Unless we clamp MAX_ACTIVE_REGIONS we end up with 300kB of extra bloat in
early_node_map in mm/page_alloc.c:
< 6144 early_node_map
> 307200 early_node_map
due to:
#if MAX_NUMNODES >= 32
/* If there can be many nodes, allow up to 50 holes per node */
#define MAX_ACTIVE_REGIONS (MAX_NUMNODES*50)
#else
/* By default, allow up to 256 distinct regions */
#define MAX_ACTIVE_REGIONS 256
Since our memory is mostly contiguous it seems reasonable to keep this
at 256 for now. I also set 32bit to 32 to save space (is there any chance
a 32bit system will have more than 32 discontiguous memory ranges?).
Even with that fixed we have a few data structures that grow:
< 896 bootmem_node_data
> 14336 bootmem_node_data
< 1280 node_devices
> 20480 node_devices
< 25088 kmalloc_caches
> 59648 kmalloc_caches
< 1632 hstates
> 21792 hstates
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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perf_counter uses arch_vma_name() to detect a vdso region which in turn uses
current->mm->context.vdso_base. We need to initialise this before doing
the mmap or else we fail to detect the vdso.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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If we are using 1TB segments and we are allowed to randomise the heap, we can
put it above 1TB so it is backed by a 1TB segment. Otherwise the heap will be
in the bottom 1TB which always uses 256MB segments and this may result in a
performance penalty.
This functionality is disabled when heap randomisation is turned off:
echo 1 > /proc/sys/kernel/randomize_va_space
which may be useful when trying to allocate the maximum amount of 16M or 16G
pages.
On a microbenchmark that repeatedly touches 32GB of memory with a stride of
256MB + 4kB (designed to stress 256MB segments while still mapping nicely into
the L1 cache), we see the improvement:
Force malloc to use heap all the time:
# export MALLOC_MMAP_MAX_=0 MALLOC_TRIM_THRESHOLD_=-1
Disable heap randomization:
# echo 1 > /proc/sys/kernel/randomize_va_space
# time ./test
12.51s
Enable heap randomization:
# echo 2 > /proc/sys/kernel/randomize_va_space
# time ./test
1.70s
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Sometimes this is used to hold a simple offset, and sometimes
it is used to hold a pointer. This patch changes it to a union containing
void * and dma_addr_t. get/set accessors are also provided, because it was
getting a bit ugly to get to the actual data.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The former is no longer really accurate with the swiotlb case now
a possibility. I also move it into dma-mapping.h - it no longer
needs to be in dma.c, and there are about to be some more accessors
that should all end up in the same place. A comment is added to
indicate that this function is not used in configs where there is no
simple dma offset, such as the iommu case.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Remove duplicated #include('s) in
arch/powerpc/mm/tlb_low_64e.S
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Remove duplicated #include('s) in
arch/powerpc/kernel/exceptions-64e.S
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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When using CONFIG_RELOCATABLE, we build the kernel as a position
independent executable. The kernel then uses a little bit of relocation
code to relocate itself. That code only deals with R_PPC64_RELATIVE
relocations though. If for some reason you use assembly constructs
such as LOAD_REG_IMMEDIATE() to load the address of a symbol, you'll
generate different kinds of relocations that won't be processed properly
and bad things will happen. (We have 2 such bugs today).
The perl script tries to filter out "known" bad ones. It's possible
that we are missing some in the case of a weak function that nobody
implements, we'll see if we get false positive and fix it.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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It doesn't exist !
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Prevent NULL dereference if kmalloc() fails.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Flash mappings for the MB93090-MB00 evaluation motherboard.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Note that .data.page_aligned and .data.cacheline_aligned are now after
_data; it was probably a bug that they were before it.
Also, some explicit ALIGN(8)'s between various initcall sections were
removed; this should be harmless as the implicit alignment of
initcall_t was already 8.
Signed-off-by: Geoffrey Thomas <geofft@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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alpha is the only architecture that uses the section name
.data.init_thread instead of .data.init_task. So convert alpha to use
.data.init_task like everything else.
.data.init_task does not need a separate output section; this change
also moves it into the .data output section.
Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Richard Henderson <rth@twiddle.net>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Bryan Wu <cooloney@kernel.org>
Cc: uclinux-dist-devel@blackfin.uclinux.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: user-mode-linux-devel@lists.sourceforge.net
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Chris Zankel <chris@zankel.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch has the (likely harmless) side effect of moving
.data.init_task inside the _edata.
It also changes the alignment of .data.init_task from 16384 to
THREAD_SIZE, which can in some configurations be larger than 16384. I
believe that this change fixes a potential bug on those
configurations.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://repo.or.cz/cris-mirror:
CRIS: Cleanup linker script using new linker script macros.
ARRAY_SIZE changes
CRIS: convert to asm-generic/hardirq.h
CRISv10: Don't autonegotiate if autonegotiation is off
CRIS: fix defconfig build failure
CRIS: add pgprot_noncached
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Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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These changes were a direct result of using a semantic patch
More information can be found at http://www.emn.fr/x-info/coccinelle/
Signed-off-by: Stoyan Gaydarov <sgayda2@uiuc.edu>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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Convert CRIS to use asm-generic/hardirq.h
Also remove unneeded (incorrect) prototypes for setup_irq().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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On CRIS, the high address bit controls caching, which means that
we can add a pgprot_noncached() macro that sets this bit in the
address.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
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Conflicts:
MAINTAINERS
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel
* 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: (57 commits)
drm/i915: Handle ERESTARTSYS during page fault
drm/i915: Warn before mmaping a purgeable buffer.
drm/i915: Track purged state.
drm/i915: Remove eviction debug spam
drm/i915: Immediately discard any backing storage for uneeded objects
drm/i915: Do not mis-classify clean objects as purgeable
drm/i915: Whitespace correction for madv
drm/i915: BUG_ON page refleak during unbind
drm/i915: Search harder for a reusable object
drm/i915: Clean up evict from list.
drm/i915: Add tracepoints
drm/i915: framebuffer compression for GM45+
drm/i915: split display functions by chip type
drm/i915: Skip the sanity checks if the current relocation is valid
drm/i915: Check that the relocation points to within the target
drm/i915: correct FBC update when pipe base update occurs
drm/i915: blacklist Acer AspireOne lid status
ACPI: make ACPI button funcs no-ops if not built in
drm/i915: prevent FIFO calculation overflows on 32 bits with high dotclocks
drm/i915: intel_display.c handle latency variable efficiently
...
Fix up trivial conflicts in drivers/gpu/drm/i915/{i915_dma.c|i915_drv.h}
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Ever since we enabled GEM, the pre-9xx chipsets (particularly 865) have had
serious stability issues. Back in May a wbinvd was added to the DRM to
work around much of the problem. Some failure remained -- easily visible
by dragging a window around on an X -retro desktop, or by looking at bugzilla.
The chipset flush was on the right track -- hitting the right amount of
memory, and it appears to be the only way to flush on these chipsets, but the
flush page was mapped uncached. As a result, the writes trying to clear the
writeback cache ended up bypassing the cache, and not flushing anything! The
wbinvd would flush out other writeback data and often cause the data we wanted
to get flushed, but not always. By removing the setting of the page to UC
and instead just clflushing the data we write to try to flush it, we get the
desired behavior with no wbinvd.
This exports clflush_cache_range(), which was laying around and happened to
basically match the code I was otherwise going to copy from the DRM.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Brice Goglin <Brice.Goglin@ens-lyon.org>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits)
x86/PCI: make 32 bit NUMA node array int, not unsigned char
x86/PCI: default pcibus cpumask to all cpus if it lacks affinity
MAINTAINTERS: remove hotplug driver entries
PCI: pciehp: remove slot capabilities definitions
PCI: pciehp: remove error message definitions
PCI: pciehp: remove number field
PCI: pciehp: remove hpc_ops
PCI: pciehp: remove pci_dev field
PCI: pciehp: remove crit_sect mutex
PCI: pciehp: remove slot_bus field
PCI: pciehp: remove first_slot field
PCI: pciehp: remove slot_device_offset field
PCI: pciehp: remove hp_slot field
PCI: pciehp: remove device field
PCI: pciehp: remove bus field
PCI: pciehp: remove slot_num_inc field
PCI: pciehp: remove num_slots field
PCI: pciehp: remove slot_list field
PCI: fix VGA arbiter header file
PCI: Disable AER with pci=nomsi
...
Fixed up trivial conflicts in MAINTAINERS
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We use -1 to indicate no node affinity, so we need a signed type here or
all sorts of bad things happen, like crashes in dev_attr_show as
reported by Ingo:
[ 158.058140] warning: `dbus-daemon' uses 32-bit capabilities (legacy support in use)
[ 159.370562] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 159.372694] IP: [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] PGD 71d3e067 PUD 7052e067 PMD 0
[ 159.372694] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 159.372694] last sysfs file: /sys/devices/pci0000:00/0000:00:01.0/local_cpus
[ 159.372694] CPU 0
[ 159.372694] Pid: 7364, comm: irqbalance Not tainted 2.6.31-tip #8043 System Product Name
[ 159.372694] RIP: 0010:[<ffffffff8143b722>] [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] RSP: 0018:ffff8800712a1e38 EFLAGS: 00010246
[ 159.372694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 159.372694] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff880077dc5000
[ 159.372694] RBP: ffff8800712a1e68 R08: 0000000000000001 R09: 0000000000000001
[ 159.372694] R10: ffffffff8215c47c R11: 0000000000000000 R12: 0000000000000000
[ 159.372694] R13: 0000000000000000 R14: 0000000000000ffe R15: ffff880077dc5000
[ 159.372694] FS: 00007f5f578f76f0(0000) GS:ffff880007000000(0000) knlGS:0000000000000000
[ 159.372694] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 159.372694] CR2: 0000000000000000 CR3: 0000000071a77000 CR4: 00000000000006f0
[ 159.372694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 159.372694] DR3: ffffffff835109dc DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 159.372694] Process irqbalance (pid: 7364, threadinfo ffff8800712a0000, task ffff880070773000)
[ 159.372694] Stack:
[ 159.372694] 2222222222222222 ffff880077dc5000 fffffffffffffffb ffff88007d366b40
[ 159.372694] <0> ffff8800712a1f48 ffff88007d3840a0 ffff8800712a1e88 ffffffff8146332b
[ 159.372694] <0> fffffffffffffff4 ffffffff82450718 ffff8800712a1ea8 ffffffff815a9a1f
[ 159.372694] Call Trace:
[ 159.372694] [<ffffffff8146332b>] local_cpus_show+0x3b/0x60
[ 159.372694] [<ffffffff815a9a1f>] dev_attr_show+0x2f/0x60
[ 159.372694] [<ffffffff8118ee6f>] sysfs_read_file+0xbf/0x1d0
[ 159.372694] [<ffffffff8112afe9>] vfs_read+0xc9/0x180
[ 159.372694] [<ffffffff8112c365>] sys_read+0x55/0x90
[ 159.372694] [<ffffffff810114f2>] system_call_fastpath+0x16/0x1b
[ 159.372694] Code: 41 b9 01 00 00 00 44 8d 46 03 49 63 fc 0f 49 d3 c1 f8 1f 4c 01 ff c1 e8 1a c1 fa 06 41 c1 e8 02 8d 0c 03 48 63 d2 83 e1 3f 29 c1 <49> 8b 44 d5 00 48 c7 c2 8c 37 16 82 48 d3 e8 89 f1 44 89 f6 49
[ 159.372694] RIP [<ffffffff8143b722>] bitmap_scnprintf+0x72/0xd0
[ 159.372694] RSP <ffff8800712a1e38>
[ 159.372694] CR2: 0000000000000000
[ 159.600828] ---[ end trace 35550c356e84e60c ]---
Reported-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The early initialization of the pci bus to node mapping leaves all busses
with a node id of -1 if it lacks memory affinity. Thus, cpumask_of_pcibus
must return all online cpus for such busses.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
microblaze: Disable heartbeat/enable emaclite in defconfigs
microblaze: Support simpleImage.dts make target
microblaze: Fix _start symbol to physical address
microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
microblaze: Support ptrace syscall tracing.
microblaze: Updated CPU version and FPGA family codes in PVR
microblaze: Generate correct signal and siginfo for integer div-by-zero
microblaze: Don't be noisy when userspace causes hardware exceptions
microblaze: Remove ipc.h file which points to non-existing asm-generic file
microblaze: Clear sticky FSR register after generating exception signals
microblaze: Ensure CPU usermode is set on new userspace processes
microblaze: Use correct kbuild variable KBUILD_CFLAGS
microblaze: Save and restore msr in hw exception
microblaze: Add architectural support for USB EHCI host controllers
microblaze: Implement include/asm/syscall.h.
microblaze: Improve checking mechanism for MSR instruction
microblaze: Add checking mechanism for MSR instruction
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I need to disable heartbeat function because this features
breaks testing in Qemu.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Instead of remembering to specify DTB= on the make commandline, this commit
allows the much friendlier make simpleImage.<dts>
where <dts>.dts is expected to be found in arch/microblaze/boot/dts/
The resulting vmlinux, with the compiled DTS linked in, will be copied to
boot/simpleImage.<dts>
This mirrors the same functionality as on PowerPC,
albeit achieving it in a slightly different way.
+ strip simpleImage file
The size of output file is very similar to linux.bin.
vmlinux - full elf without fdt blob
simpleImage.<dtb name>.unstrip - full elf with fdt blob
simpleImage.<dtb name> - stripped elf with fdt blob
Add symlink to generic system.dts in platform folder
Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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_start is setup to physical kernel start address.
This caused that when you load vmlinux (with MMU kernel)
via XMD program counter (pc) is setup correctly
and then you can write con and start kernel.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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