| Commit message (Collapse) | Author | Age |
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Change all instances of if (debug) putstr(...) to a new debug_putstr(...).
This allows a future change to conditionally stub out debug_putstr to save
space.
Signed-off-by: Joe Millenbach <jmillenbach@gmail.com>
Link: http://lkml.kernel.org/r/1342746282-28497-3-git-send-email-jmillenbach@gmail.com
Signed-off-by: Gokul Caushik <caushik1@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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There are only 3 uses of the quiet flag and they all protect output that
is only useful for debugging the stub, therefore we switched to using the
debug flag for all extra output.
Signed-off-by: Joe Millenbach <jmillenbach@gmail.com>
Link: http://lkml.kernel.org/r/1342746282-28497-2-git-send-email-jmillenbach@gmail.com
Signed-off-by: Gokul Caushik <caushik1@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar:
"The biggest change is a performance improvement on SMP systems:
| 4 socket 40 core + SMT Westmere box, single 30 sec tbench
| runs, higher is better:
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| clients 1 2 4 8 16 32 64 128
|..........................................................................
| pre 30 41 118 645 3769 6214 12233 14312
| post 299 603 1211 2418 4697 6847 11606 14557
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| A nice increase in performance.
which speedup is particularly noticeable on heavily interacting
few-tasks workloads, so the changes should help desktop-style Xorg
workloads and interactivity as well, on multi-core CPUs.
There are also cpuset suspend behavior fixes/restructuring and various
smaller tweaks."
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix race in task_group()
sched: Improve balance_cpu() to consider other cpus in its group as target of (pinned) task
sched: Reset loop counters if all tasks are pinned and we need to redo load balance
sched: Reorder 'struct lb_env' members to reduce its size
sched: Improve scalability via 'CPU buddies', which withstand random perturbations
cpusets: Remove/update outdated comments
cpusets, hotplug: Restructure functions that are invoked during hotplug
cpusets, hotplug: Implement cpuset tree traversal in a helper function
CPU hotplug, cpusets, suspend: Don't modify cpusets during suspend/resume
sched/x86: Remove broken power estimation
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The x86 sched power implementation has been broken forever and gets in
the way of other stuff, remove it.
[ For archaeological interest, fixing this code would require dealing
with the cross-cpu calling of these functions and more importantly, we
need to filter idle time out of the a/m-perf stuff because the ratio
will go down to 0 when idle, giving a 0 capacity which is not what
we'd want. ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Link: http://lkml.kernel.org/r/1339594110.8980.38.camel@twins
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull crypto updates from Herbert Xu:
- Fixed algorithm construction hang when self-test fails.
- Added SHA variants to talitos AEAD list.
- New driver for Exynos random number generator.
- Performance enhancements for arc4.
- Added hwrng support to caam.
- Added ahash support to caam.
- Fixed bad kfree in aesni-intel.
- Allow aesni-intel in FIPS mode.
- Added atmel driver with support for AES/3DES/SHA.
- Bug fixes for mv_cesa.
- CRC hardware driver for BF60x family processors.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (66 commits)
crypto: twofish-avx - remove useless instruction
crypto: testmgr - add aead cbc aes hmac sha1,256,512 test vectors
crypto: talitos - add sha224, sha384 and sha512 to existing AEAD algorithms
crypto: talitos - export the talitos_submit function
crypto: talitos - move talitos structures to header file
crypto: atmel - add new tests to tcrypt
crypto: atmel - add Atmel SHA1/SHA256 driver
crypto: atmel - add Atmel DES/TDES driver
crypto: atmel - add Atmel AES driver
ARM: AT91SAM9G45: add crypto peripherals
crypto: testmgr - allow aesni-intel and ghash_clmulni-intel in fips mode
hwrng: exynos - Add support for Exynos random number generator
crypto: aesni-intel - fix wrong kfree pointer
crypto: caam - ERA retrieval and printing for SEC device
crypto: caam - Using alloc_coherent for caam job rings
crypto: algapi - Fix hang on crypto allocation
crypto: arc4 - now arc needs blockcipher support
crypto: caam - one tasklet per job ring
crypto: caam - consolidate memory barriers from job ring en/dequeue
crypto: caam - only query h/w in job ring dequeue path
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The register %rdx is written, but never read till the end of the encryption
routine. Therefore let's delete the useless instruction.
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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kfree(new_key_mem) in rfc4106_set_key() should be called on malloced pointer,
not on aligned one, otherwise it can cause invalid pointer on free.
(Seen at least once when running tcrypt tests with debug kernel.)
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move AES header to the new asm/crypto directory.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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arch/x86/include/asm/crypto/
Move serpent crypto headers to the new asm/crypto/ directory.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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from glue_helper
Now that shared glue code is available, convert twofish-avx to use it.
Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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glue code from glue_helper
Now that shared glue code is available, convert twofish-x86_64-3way to use it.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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code from glue_helper
Now that shared glue code is available, convert camellia-x86_64 to use it.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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from glue_helper
Now that shared glue code is available, convert serpent-avx to use it.
Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now that serpent-sse2 glue code has been made generic, it can be split to
separate module.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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code for 128bit block ciphers
Block cipher implementations in arch/x86/crypto/ contain common glue code that
is currently duplicated in each module (camellia-x86_64, twofish-x86_64-3way,
twofish-avx, serpent-sse2 and serpent-avx). This patch prepares serpent-sse2
glue into generic glue code for all 128bit block ciphers to use in
arch/x86/crypto.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove duplicate ablk_* functions and make use of ablk_helper module instead.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove duplicate ablk_* functions and make use of ablk_helper module instead.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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to shared module
Move ablk-* functions to separate module to share common code between cipher
implementations.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename serpent-avx assembler functions so that they do not collide with
serpent-sse2 assembler functions when linking both versions in to same
kernel image.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds a x86_64/avx assembler implementation of the Serpent block
cipher. The implementation is very similar to the sse2 implementation and
processes eight blocks in parallel. Because of the new non-destructive three
operand syntax all move-instructions can be removed and therefore a little
performance increase is provided.
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmark results:
Intel Core i5-2500 CPU (fam:6, model:42, step:7)
serpent-avx-x86_64 vs. serpent-sse2-x86_64
128bit key: (lrw:256bit) (xts:256bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.03x 1.01x 1.01x 1.01x 1.00x 1.00x 1.00x 1.00x 1.00x 1.01x
64B 1.00x 1.00x 1.00x 1.00x 1.00x 0.99x 1.00x 1.01x 1.00x 1.00x
256B 1.05x 1.03x 1.00x 1.02x 1.05x 1.06x 1.05x 1.02x 1.05x 1.02x
1024B 1.05x 1.02x 1.00x 1.02x 1.05x 1.06x 1.05x 1.03x 1.05x 1.02x
8192B 1.05x 1.02x 1.00x 1.02x 1.06x 1.06x 1.04x 1.03x 1.04x 1.02x
256bit key: (lrw:384bit) (xts:512bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.01x 1.00x 1.01x 1.01x 1.00x 1.00x 0.99x 1.03x 1.01x 1.01x
64B 1.00x 1.00x 1.00x 1.00x 1.00x 1.00x 1.00x 1.01x 1.00x 1.02x
256B 1.05x 1.02x 1.00x 1.02x 1.05x 1.02x 1.04x 1.05x 1.05x 1.02x
1024B 1.06x 1.02x 1.00x 1.02x 1.07x 1.06x 1.05x 1.04x 1.05x 1.02x
8192B 1.05x 1.02x 1.00x 1.02x 1.06x 1.06x 1.04x 1.05x 1.05x 1.02x
serpent-avx-x86_64 vs aes-asm (8kB block):
128bit 256bit
ecb-enc 1.26x 1.73x
ecb-dec 1.20x 1.64x
cbc-enc 0.33x 0.45x
cbc-dec 1.24x 1.67x
ctr-enc 1.32x 1.76x
ctr-dec 1.32x 1.76x
lrw-enc 1.20x 1.60x
lrw-dec 1.15x 1.54x
xts-enc 1.22x 1.64x
xts-dec 1.17x 1.57x
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds a x86_64/avx assembler implementation of the Twofish block
cipher. The implementation processes eight blocks in parallel (two 4 block
chunk AVX operations). The table-lookups are done in general-purpose registers.
For small blocksizes the 3way-parallel functions from the twofish-x86_64-3way
module are called. A good performance increase is provided for blocksizes
greater or equal to 128B.
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmark results:
Intel Core i5-2500 CPU (fam:6, model:42, step:7)
twofish-avx-x86_64 vs. twofish-x86_64-3way
128bit key: (lrw:256bit) (xts:256bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 0.96x 0.97x 1.00x 0.95x 0.97x 0.97x 0.96x 0.95x 0.95x 0.98x
64B 0.99x 0.99x 1.00x 0.99x 0.98x 0.98x 0.99x 0.98x 0.99x 0.98x
256B 1.20x 1.21x 1.00x 1.19x 1.15x 1.14x 1.19x 1.20x 1.18x 1.19x
1024B 1.29x 1.30x 1.00x 1.28x 1.23x 1.24x 1.26x 1.28x 1.26x 1.27x
8192B 1.31x 1.32x 1.00x 1.31x 1.25x 1.25x 1.28x 1.29x 1.28x 1.30x
256bit key: (lrw:384bit) (xts:512bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 0.96x 0.96x 1.00x 0.96x 0.97x 0.98x 0.95x 0.95x 0.95x 0.96x
64B 1.00x 0.99x 1.00x 0.98x 0.98x 1.01x 0.98x 0.98x 0.98x 0.98x
256B 1.20x 1.21x 1.00x 1.21x 1.15x 1.15x 1.19x 1.20x 1.18x 1.19x
1024B 1.29x 1.30x 1.00x 1.28x 1.23x 1.23x 1.26x 1.27x 1.26x 1.27x
8192B 1.31x 1.33x 1.00x 1.31x 1.26x 1.26x 1.29x 1.29x 1.28x 1.30x
twofish-avx-x86_64 vs aes-asm (8kB block):
128bit 256bit
ecb-enc 1.19x 1.63x
ecb-dec 1.18x 1.62x
cbc-enc 0.75x 1.03x
cbc-dec 1.23x 1.67x
ctr-enc 1.24x 1.65x
ctr-dec 1.24x 1.65x
lrw-enc 1.15x 1.53x
lrw-dec 1.14x 1.52x
xts-enc 1.16x 1.56x
xts-dec 1.16x 1.56x
Signed-off-by: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit ea4d26ae ("raid5: add AVX optimized RAID5 checksumming")
introduced x86/ arch wide defines for AFLAGS and CFLAGS indicating AVX
support in binutils based on the same test we have in x86/crypto/ right
now. To minimize duplication drop our implementation in favour to the
one in x86/.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"The most important part of these updates is the IOMMU groups code
enhancement written by Alex Williamson. It abstracts the problem that
a given hardware IOMMU can't isolate any given device from any other
device (e.g. 32 bit PCI devices can't usually be isolated). Devices
that can't be isolated are grouped together. This code is required
for the upcoming VFIO framework.
Another IOMMU-API change written by me is the introduction of domain
attributes. This makes it easier to handle GART-like IOMMUs with the
IOMMU-API because now the start-address and the size of the domain
address space can be queried.
Besides that there are a few cleanups and fixes for the NVidia Tegra
IOMMU drivers and the reworked init-code for the AMD IOMMU. The
latter is from my patch-set to support interrupt remapping. The rest
of this patch-set requires x86 changes which are not mergabe yet. So
full support for interrupt remapping with AMD IOMMUs will come in a
future merge window."
* tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits)
iommu/amd: Fix hotplug with iommu=pt
iommu/amd: Add missing spin_lock initialization
iommu/amd: Convert iommu initialization to state machine
iommu/amd: Introduce amd_iommu_init_dma routine
iommu/amd: Move unmap_flush message to amd_iommu_init_dma_ops()
iommu/amd: Split enable_iommus() routine
iommu/amd: Introduce early_amd_iommu_init routine
iommu/amd: Move informational prinks out of iommu_enable
iommu/amd: Split out PCI related parts of IOMMU initialization
iommu/amd: Use acpi_get_table instead of acpi_table_parse
iommu/amd: Fix sparse warnings
iommu/tegra: Don't call alloc_pdir with as->lock
iommu/tegra: smmu: Fix unsleepable memory allocation at alloc_pdir()
iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir()
iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute
iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
iommu/msm: Implement DOMAIN_ATTR_GEOMETRY attribute
iommu/omap: Implement DOMAIN_ATTR_GEOMETRY attribute
iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute
iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
...
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'api/domain-attr' into next
Conflicts:
drivers/iommu/iommu.c
include/linux/iommu.h
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The iommu=group_mf is really no longer needed with the addition of ACS
support in IOMMU drivers creating groups. Most multifunction devices
will now be grouped already. If a device has gone to the trouble of
exposing ACS, trust that it works. We can use the device specific ACS
function for fixing devices we trust individually. This largely
reverts bcb71abe.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Pull PCI changes from Bjorn Helgaas:
"Host bridge hotplug:
- Add MMCONFIG support for hot-added host bridges (Jiang Liu)
Device hotplug:
- Move fixups from __init to __devinit (Sebastian Andrzej Siewior)
- Call FINAL fixups for hot-added devices, too (Myron Stowe)
- Factor out generic code for P2P bridge hot-add (Yinghai Lu)
- Remove all functions in a slot, not just those with _EJx (Amos
Kong)
Dynamic resource management:
- Track bus number allocation (struct resource tree per domain)
(Yinghai Lu)
- Make P2P bridge 1K I/O windows work with resource reassignment
(Bjorn Helgaas, Yinghai Lu)
- Disable decoding while updating 64-bit BARs (Bjorn Helgaas)
Power management:
- Add PCIe runtime D3cold support (Huang Ying)
Virtualization:
- Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex
Williamson)
- Add quirks for devices with broken INTx masking (Jan Kiszka)
Miscellaneous:
- Fix some PCI Express capability version issues (Myron Stowe)
- Factor out some arch code with a weak, generic, pcibios_setup()
(Myron Stowe)"
* tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (122 commits)
PCI: hotplug: ensure a consistent return value in error case
PCI: fix undefined reference to 'pci_fixup_final_inited'
PCI: build resource code for M68K architecture
PCI: pciehp: remove unused pciehp_get_max_lnk_width(), pciehp_get_cur_lnk_width()
PCI: reorder __pci_assign_resource() (no change)
PCI: fix truncation of resource size to 32 bits
PCI: acpiphp: merge acpiphp_debug and debug
PCI: acpiphp: remove unused res_lock
sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases()
PCI: call final fixups hot-added devices
PCI: move final fixups from __init to __devinit
x86/PCI: move final fixups from __init to __devinit
MIPS/PCI: move final fixups from __init to __devinit
PCI: support sizing P2P bridge I/O windows with 1K granularity
PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2)
PCI: disable MEM decoding while updating 64-bit MEM BARs
PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too
PCI: never discard enable/suspend/resume_early/resume fixups
PCI: release temporary reference in __nv_msi_ht_cap_quirk()
PCI: restructure 'pci_do_fixups()'
...
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* pci/myron-pcibios_setup:
xtensa/PCI: factor out pcibios_setup()
x86/PCI: adjust section annotations for pcibios_setup()
unicore32/PCI: adjust section annotations for pcibios_setup()
tile/PCI: factor out pcibios_setup()
sparc/PCI: factor out pcibios_setup()
sh/PCI: adjust section annotations for pcibios_setup()
sh/PCI: factor out pcibios_setup()
powerpc/PCI: factor out pcibios_setup()
parisc/PCI: factor out pcibios_setup()
MIPS/PCI: adjust section annotations for pcibios_setup()
MIPS/PCI: factor out pcibios_setup()
microblaze/PCI: factor out pcibios_setup()
ia64/PCI: factor out pcibios_setup()
cris/PCI: factor out pcibios_setup()
alpha/PCI: factor out pcibios_setup()
PCI: pull pcibios_setup() up into core
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Make pcibios_setup() consistently use the "__init" section annotation.
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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* topic/huang-d3cold-v7:
PCI/PM: add PCIe runtime D3cold support
PCI: do not call pci_set_power_state with PCI_D3cold
PCI/PM: add runtime PM support to PCIe port
ACPI/PM: specify lowest allowed state for device sleep state
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PCI subsystem has not been ready for D3cold support yet. So
PCI_D3cold should not be used as parameter for pci_set_power_state.
This patch is needed for upcoming PCI_D3cold support.
This patch has no functionality change, because pci_set_power_state
will bound the parameter to PCI_D3hot too.
CC: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
CC: Jesse Barnes <jesse.barnes@intel.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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* topic/jiang-mmconfig-v10:
ACPI: mark acpi_sfi_table_parse() as __init
x86/PCI: use pr_level() to replace printk(KERN_LEVEL)
x86/PCI: refine __pci_mmcfg_init() for better code readability
x86/PCI: get rid of redundant log messages
x86/PCI: simplify pci_mmcfg_late_insert_resources()
x86/PCI: update MMCONFIG information when hot-plugging PCI host bridges
PCI/ACPI: provide MMCONFIG address for PCI host bridges
x86/PCI: add pci_mmconfig_insert()/delete() for PCI root bridge hotplug
x86/PCI: prepare pci_mmcfg_check_reserved() to be called at runtime
x86/PCI: introduce pci_mmcfg_arch_map()/pci_mmcfg_arch_unmap()
x86/PCI: use RCU list to protect mmconfig list
x86/PCI: split out pci_mmconfig_alloc() for code reuse
x86/PCI: split out pci_mmcfg_check_reserved() for code reuse
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Script checkpatch.pl recommends to replace printk(KERN_LVL) with pr_lvl(),
so do it.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Refine __pci_mmcfg_init() for better code readability.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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For each resource of a PCI host bridge, the arch code and PCI
code log following messages. We don't need both, so drop the
arch-specific printing.
pci_root PNP0A08:00: host bridge window [io 0x0000-0x03af]
pci_bus 0000:00: root bus resource [io 0x0000-0x03af]
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Reduce redundant code to simplify pci_mmcfg_late_insert_resources().
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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This patch enhances x86 arch-specific code to update MMCONFIG information
when PCI host bridge hotplug event happens.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Introduce pci_mmconfig_insert()/pci_mmconfig_delete(), which will be used
to update MMCONFIG information when supporting PCI root bridge hotplug.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Prepare function pci_mmcfg_check_reserved() to be called at runtime
for PCI host bridge hot-plugging
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Introduce pci_mmcfg_arch_map()/pci_mmcfg_arch_unmap(), which will be used
when supporting PCI root bridge hotplug.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use RCU list to protect mmconfig list from dynamic change
when supporting PCI host bridge hotplug.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Split out pci_mmconfig_alloc() for code reuse, which will be used
when supporting PCI root bridge hotplug.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Split out pci_mmcfg_check_reserved() for code reuse, which will be used
when supporting PCI host bridge hotplug.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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* topic/sebastian-devinit-fixups:
scripts/modpost: check for bad references in .pci.fixups area
sh/PCI: move fixup hooks from __init to __devinit
powerpc/PCI: move fixup hooks from __init to __devinit
frv/PCI: move fixup hooks from __init to __devinit
arm/PCI: move fixup hooks from __init to __devinit
alpha/PCI: move fixup hooks from __init to __devinit
PCI: move fixup hooks from __init to __devinit
x86/PCI: move fixup hooks from __init to __devinit
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The fixups are executed once the pci-device is found which is during
boot process so __init seems fine as long as the platform does not
support hotplug.
However it is possible to remove the PCI bus at run time and have it
rediscovered again via "echo 1 > /sys/bus/pci/rescan" and this will call
the fixups again.
Cc: x86@kernel.org
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Add the host bridge bus number aperture to the resource list.
Like the MMIO and I/O port apertures, this will be used when assigning
resources to hot-added devices or in the case of conflicts.
[bhelgaas: changelog, tidy printk]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Add the host bridge bus number aperture from _CRS to the resource list.
Like the MMIO and I/O port apertures, this will be used when assigning
resources to hot-added devices or in the case of conflicts.
Note that we always use the _CRS bus number aperture, even if we're
ignoring _CRS otherwise.
[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Replace the struct pci_bus secondary/subordinate members with the
struct resource busn_res. Later we'll build a resource tree of these
bus numbers.
[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
"Trivial updates all over the place as usual."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (29 commits)
Fix typo in include/linux/clk.h .
pci: hotplug: Fix typo in pci
iommu: Fix typo in iommu
video: Fix typo in drivers/video
Documentation: Add newline at end-of-file to files lacking one
arm,unicore32: Remove obsolete "select MISC_DEVICES"
module.c: spelling s/postition/position/g
cpufreq: Fix typo in cpufreq driver
trivial: typo in comment in mksysmap
mach-omap2: Fix typo in debug message and comment
scsi: aha152x: Fix sparse warning and make printing pointer address more portable.
Change email address for Steve Glendinning
Btrfs: fix typo in convert_extent_bit
via: Remove bogus if check
netprio_cgroup.c: fix comment typo
backlight: fix memory leak on obscure error path
Documentation: asus-laptop.txt references an obsolete Kconfig item
Documentation: ManagementStyle: fixed typo
mm/vmscan: cleanup comment error in balance_pgdat
mm: cleanup on the comments of zone_reclaim_stat
...
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen update from Konrad Rzeszutek Wilk:
"Features:
* Performance improvement to lower the amount of traps the hypervisor
has to do 32-bit guests. Mainly for setting PTE entries and
updating TLS descriptors.
* MCE polling driver to collect hypervisor MCE buffer and present
them to /dev/mcelog.
* Physical CPU online/offline support. When an privileged guest is
booted it is present with virtual CPUs, which might have an 1:1 to
physical CPUs but usually don't. This provides mechanism to
offline/online physical CPUs.
Bug-fixes for:
* Coverity found fixes in the console and ACPI processor driver.
* PVonHVM kexec fixes along with some cleanups.
* Pages that fall within E820 gaps and non-RAM regions (and had been
released to hypervisor) would be populated back, but potentially in
non-RAM regions."
* tag 'stable/for-linus-3.6-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: populate correct number of pages when across mem boundary (v2)
xen PVonHVM: move shared_info to MMIO before kexec
xen: simplify init_hvm_pv_info
xen: remove cast from HYPERVISOR_shared_info assignment
xen: enable platform-pci only in a Xen guest
xen/pv-on-hvm kexec: shutdown watches from old kernel
xen/x86: avoid updating TLS descriptors if they haven't changed
xen/x86: add desc_equal() to compare GDT descriptors
xen/mm: zero PTEs for non-present MFNs in the initial page table
xen/mm: do direct hypercall in xen_set_pte() if batching is unavailable
xen/hvc: Fix up checks when the info is allocated.
xen/acpi: Fix potential memory leak.
xen/mce: add .poll method for mcelog device driver
xen/mce: schedule a workqueue to avoid sleep in atomic context
xen/pcpu: Xen physical cpus online/offline sys interface
xen/mce: Register native mce handler as vMCE bounce back point
x86, MCE, AMD: Adjust initcall sequence for xen
xen/mce: Add mcelog support for Xen platform
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