| Commit message (Collapse) | Author | Age |
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This patch removes x86's architecture-specific 'pcibios_set_master()'
routine and lets the default PCI core based implementation handle PCI
device 'latency timer' setup.
No functional change.
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The 'latency timer' of PCI devices, both Type 0 and Type 1,
is setup in architecture-specific code [see: 'pcibios_set_master()'].
There are two approaches being taken by all the architectures - check
if the 'latency timer' is currently set between 16 and 255 and if not
bring it within bounds, or, do nothing (and then there is the
gratuitously different PA-RISC implementation).
There is nothing architecture-specific about PCI's 'latency timer' so
this patch pulls its setup functionality up into the PCI core by
creating a generic 'pcibios_set_master()' function using the '__weak'
attribute which can be used by all architectures as a default which,
if necessary, can then be over-ridden by architecture-specific code.
No functional change.
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This assures that a _CRS reserved host bridge window or window region is
not used if it is not addressable by the CPU. The new code either trims
the window to exclude the non-addressable portion or totally ignores the
window if the entire window is non-addressable.
The current code has been shown to be problematic with 32-bit non-PAE
kernels on systems where _CRS reserves resources above 4GB.
Signed-off-by: Gary Hade <garyhade@us.ibm.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Thomas Renninger <trenn@novell.com>
Cc: linux-kernel@vger.kernel.org
Cc: stable@kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Enabling CRS by default breaks suspend on the Thinkpad SL510.
Details in https://bugzilla.redhat.com/show_bug.cgi?id=769657
Reported-by: Stefan Kirrmann <stefan.kirrmann@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The Dell Studio 1557 also doesn't suspend correctly when CRS is enabled.
Details at https://bugzilla.redhat.com/show_bug.cgi?id=769657
Reported-by: Gregory S. Hoerner <ghoerner@transcendingthought.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Some machines don't boot unless passed pci=nocrs.
(See https://bugzilla.redhat.com/show_bug.cgi?id=770308 for details of
one report. Waiting on dmidecode output for others).
Currently there is a DMI whitelist, even though the default is on.
v2: drop the 1536 blacklist entry, superceded by the PNP/MMCONFIG changes from
Bjorn
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (54 commits)
crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig
crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs
crypto: serpent-sse2 - select LRW and XTS
crypto: twofish-x86_64-3way - remove unneeded LRW/XTS #ifdefs
crypto: twofish-x86_64-3way - select LRW and XTS
crypto: xts - remove dependency on EXPERIMENTAL
crypto: lrw - remove dependency on EXPERIMENTAL
crypto: picoxcell - fix boolean and / or confusion
crypto: caam - remove DECO access initialization code
crypto: caam - fix polarity of "propagate error" logic
crypto: caam - more desc.h cleanups
crypto: caam - desc.h - convert spaces to tabs
crypto: talitos - convert talitos_error to struct device
crypto: talitos - remove NO_IRQ references
crypto: talitos - fix bad kfree
crypto: convert drivers/crypto/* to use module_platform_driver()
char: hw_random: convert drivers/char/hw_random/* to use module_platform_driver()
crypto: serpent-sse2 - should select CRYPTO_CRYPTD
crypto: serpent - rename serpent.c to serpent_generic.c
crypto: serpent - cleanup checkpatch errors and warnings
...
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Since LRW & XTS are selected by serpent-sse2, we don't need these #ifdefs
anymore.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since LRW & XTS are selected by twofish-x86_64-3way, we don't need these
#ifdefs anymore.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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LRW/XTS patches for serpent-sse2 forgot to add this. CRYPTO_TFM_REQ_MAY_SLEEP
should be cleared as sleeping between kernel_fpu_begin()/kernel_fpu_end() is
not allowed.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds XTS support for serpent-sse2 by using xts_crypt(). Patch has been
tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Intel Celeron T1600 (x86_64) (fam:6, model:15, step:13):
size xts-enc xts-dec
16B 0.98x 1.00x
64B 1.00x 1.01x
256B 2.78x 2.75x
1024B 3.30x 3.26x
8192B 3.39x 3.30x
AMD Phenom II 1055T (x86_64) (fam:16, model:10):
size xts-enc xts-dec
16B 1.05x 1.02x
64B 1.04x 1.03x
256B 2.10x 2.05x
1024B 2.34x 2.35x
8192B 2.34x 2.40x
Intel Atom N270 (i586):
size xts-enc xts-dec
16B 0.95x 0.96x
64B 1.53x 1.50x
256B 1.72x 1.75x
1024B 1.88x 1.87x
8192B 1.86x 1.83x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds LRW support for serpent-sse2 by using lrw_crypt(). Patch has been
tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Benchmark results with tcrypt:
Intel Celeron T1600 (x86_64) (fam:6, model:15, step:13):
size lrw-enc lrw-dec
16B 1.00x 0.96x
64B 1.01x 1.01x
256B 3.01x 2.97x
1024B 3.39x 3.33x
8192B 3.35x 3.33x
AMD Phenom II 1055T (x86_64) (fam:16, model:10):
size lrw-enc lrw-dec
16B 0.98x 1.03x
64B 1.01x 1.04x
256B 2.10x 2.14x
1024B 2.28x 2.33x
8192B 2.30x 2.33x
Intel Atom N270 (i586):
size lrw-enc lrw-dec
16B 0.97x 0.97x
64B 1.47x 1.50x
256B 1.72x 1.69x
1024B 1.88x 1.81x
8192B 1.84x 1.79x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds i586/SSE2 assembler implementation of serpent cipher. Assembler
functions crypt data in four block chunks.
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Intel Atom N270:
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16 0.95x 1.12x 1.02x 1.07x 0.97x 0.98x
64 1.73x 1.82x 1.08x 1.82x 1.72x 1.73x
256 2.08x 2.00x 1.04x 2.07x 1.99x 2.01x
1024 2.28x 2.18x 1.05x 2.23x 2.17x 2.20x
8192 2.28x 2.13x 1.05x 2.23x 2.18x 2.20x
Full output:
http://koti.mbnet.fi/axh/kernel/crypto/atom-n270/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/atom-n270/serpent-sse2.txt
Userspace test results:
Encryption/decryption of sse2-i586 vs generic on Intel Atom N270:
encrypt: 2.35x
decrypt: 2.54x
Encryption/decryption of sse2-i586 vs generic on AMD Phenom II:
encrypt: 1.82x
decrypt: 2.51x
Encryption/decryption of sse2-i586 vs generic on Intel Xeon E7330:
encrypt: 2.99x
decrypt: 3.48x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds x86_64/SSE2 assembler implementation of serpent cipher. Assembler
functions crypt data in eigth block chunks (two 4 block chunk SSE2 operations
in parallel to improve performance on out-of-order CPUs). Glue code is based
on one from AES-NI implementation, so requests from irq context are redirected
to cryptd.
v2:
- add missing include of linux/module.h
(appearently crypto.h used to include module.h, which changed for 3.2 by
commit 7c926402a7e8c9b279968fd94efec8700ba3859e)
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
AMD Phenom II 1055T (fam:16, model:10):
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16B 1.03x 1.01x 1.03x 1.05x 1.00x 0.99x
64B 1.00x 1.01x 1.02x 1.04x 1.02x 1.01x
256B 2.34x 2.41x 0.99x 2.43x 2.39x 2.40x
1024B 2.51x 2.57x 1.00x 2.59x 2.56x 2.56x
8192B 2.50x 2.54x 1.00x 2.55x 2.57x 2.57x
Intel Celeron T1600 (fam:6, model:15, step:13):
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16B 0.97x 0.97x 1.01x 1.01x 1.01x 1.02x
64B 1.00x 1.00x 1.00x 1.02x 1.01x 1.01x
256B 3.41x 3.35x 1.00x 3.39x 3.42x 3.44x
1024B 3.75x 3.72x 0.99x 3.74x 3.75x 3.75x
8192B 3.70x 3.68x 0.99x 3.68x 3.69x 3.69x
Full output:
http://koti.mbnet.fi/axh/kernel/crypto/phenom-ii-1055t/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/phenom-ii-1055t/serpent-sse2.txt
http://koti.mbnet.fi/axh/kernel/crypto/celeron-t1600/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/celeron-t1600/serpent-sse2.txt
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds XTS support for twofish-x86_64-3way by using xts_crypt(). Patch has
been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (twofish-3way/twofish-asm speed ratios):
Intel Celeron T1600 (fam:6, model:15, step:13):
size xts-enc xts-dec
16B 0.98x 1.00x
64B 1.14x 1.15x
256B 1.23x 1.25x
1024B 1.26x 1.29x
8192B 1.28x 1.30x
AMD Phenom II 1055T (fam:16, model:10):
size xts-enc xts-dec
16B 1.03x 1.03x
64B 1.13x 1.16x
256B 1.20x 1.20x
1024B 1.22x 1.22x
8192B 1.22x 1.21x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds LRW support for twofish-x86_64-3way by using lrw_crypt(). Patch has
been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (twofish-3way/twofish-asm speed ratios):
Intel Celeron T1600 (fam:6, model:15, step:13):
size lrw-enc lrw-dec
16B 0.99x 1.00x
64B 1.17x 1.17x
256B 1.26x 1.27x
1024B 1.30x 1.31x
8192B 1.31x 1.32x
AMD Phenom II 1055T (fam:16, model:10):
size lrw-enc lrw-dec
16B 1.06x 1.01x
64B 1.08x 1.14x
256B 1.19x 1.20x
1024B 1.21x 1.22x
8192B 1.23x 1.24x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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lib: use generic pci_iomap on all architectures
Many architectures don't want to pull in iomap.c,
so they ended up duplicating pci_iomap from that file.
That function isn't trivial, and we are going to modify it
https://lkml.org/lkml/2011/11/14/183
so the duplication hurts.
This reduces the scope of the problem significantly,
by moving pci_iomap to a separate file and
referencing that from all architectures.
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
alpha: drop pci_iomap/pci_iounmap from pci-noop.c
mn10300: switch to GENERIC_PCI_IOMAP
mn10300: add missing __iomap markers
frv: switch to GENERIC_PCI_IOMAP
tile: switch to GENERIC_PCI_IOMAP
tile: don't panic on iomap
sparc: switch to GENERIC_PCI_IOMAP
sh: switch to GENERIC_PCI_IOMAP
powerpc: switch to GENERIC_PCI_IOMAP
parisc: switch to GENERIC_PCI_IOMAP
mips: switch to GENERIC_PCI_IOMAP
microblaze: switch to GENERIC_PCI_IOMAP
arm: switch to GENERIC_PCI_IOMAP
alpha: switch to GENERIC_PCI_IOMAP
lib: add GENERIC_PCI_IOMAP
lib: move GENERIC_IOMAP to lib/Kconfig
Fix up trivial conflicts due to changes nearby in arch/{m68k,score}/Kconfig
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define GENERIC_IOMAP in a central location
instead of all architectures. This will be helpful
for the follow-up patch which makes it select
other configs. Code is also a bit shorter this way.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Andrew elucidates:
- First installmeant of MM. We have a HUGE number of MM patches this
time. It's crazy.
- MAINTAINERS updates
- backlight updates
- leds
- checkpatch updates
- misc ELF stuff
- rtc updates
- reiserfs
- procfs
- some misc other bits
* akpm: (124 commits)
user namespace: make signal.c respect user namespaces
workqueue: make alloc_workqueue() take printf fmt and args for name
procfs: add hidepid= and gid= mount options
procfs: parse mount options
procfs: introduce the /proc/<pid>/map_files/ directory
procfs: make proc_get_link to use dentry instead of inode
signal: add block_sigmask() for adding sigmask to current->blocked
sparc: make SA_NOMASK a synonym of SA_NODEFER
reiserfs: don't lock root inode searching
reiserfs: don't lock journal_init()
reiserfs: delay reiserfs lock until journal initialization
reiserfs: delete comments referring to the BKL
drivers/rtc/interface.c: fix alarm rollover when day or month is out-of-range
drivers/rtc/rtc-twl.c: add DT support for RTC inside twl4030/twl6030
drivers/rtc/: remove redundant spi driver bus initialization
drivers/rtc/rtc-jz4740.c: make jz4740_rtc_driver static
drivers/rtc/rtc-mc13xxx.c: make mc13xxx_rtc_idtable static
rtc: convert drivers/rtc/* to use module_platform_driver()
drivers/rtc/rtc-wm831x.c: convert to devm_kzalloc()
drivers/rtc/rtc-wm831x.c: remove unused period IRQ handler
...
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Abstract the code sequence for adding a signal handler's sa_mask to
current->blocked because the sequence is identical for all architectures.
Furthermore, in the past some architectures actually got this code wrong,
so introduce a wrapper that all architectures can use.
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Randomization of PIE load address is hard coded in binfmt_elf.c for X86
and ARM. Create a new Kconfig variable
(CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE) for this and use it instead. Thus
architecture specific policy is pushed out of the generic binfmt_elf.c and
into the architecture Kconfig files.
X86 and ARM Kconfigs are modified to select the new variable so there is
no change in behavior. A follow on patch will select it for MIPS too.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (53 commits)
iommu/amd: Set IOTLB invalidation timeout
iommu/amd: Init stats for iommu=pt
iommu/amd: Remove unnecessary cache flushes in amd_iommu_resume
iommu/amd: Add invalidate-context call-back
iommu/amd: Add amd_iommu_device_info() function
iommu/amd: Adapt IOMMU driver to PCI register name changes
iommu/amd: Add invalid_ppr callback
iommu/amd: Implement notifiers for IOMMUv2
iommu/amd: Implement IO page-fault handler
iommu/amd: Add routines to bind/unbind a pasid
iommu/amd: Implement device aquisition code for IOMMUv2
iommu/amd: Add driver stub for AMD IOMMUv2 support
iommu/amd: Add stat counter for IOMMUv2 events
iommu/amd: Add device errata handling
iommu/amd: Add function to get IOMMUv2 domain for pdev
iommu/amd: Implement function to send PPR completions
iommu/amd: Implement functions to manage GCR3 table
iommu/amd: Implement IOMMUv2 TLB flushing routines
iommu/amd: Add support for IOMMUv2 domain mode
iommu/amd: Add amd_iommu_domain_direct_map function
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Conflicts:
drivers/iommu/amd_iommu.c
drivers/iommu/intel-iommu.c
include/linux/iommu.h
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The option iommu=group_mf indicates the that the iommu driver should
expose all functions of a multi-function PCI device as the same
iommu_device_group. This is useful for disallowing individual functions
being exposed as independent devices to userspace as there are often
hidden dependencies. Virtual functions are not affected by this option.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/for-linus-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (37 commits)
xen/pciback: Expand the warning message to include domain id.
xen/pciback: Fix "device has been assigned to X domain!" warning
xen/pciback: Move the PCI_DEV_FLAGS_ASSIGNED ops to the "[un|]bind"
xen/xenbus: don't reimplement kvasprintf via a fixed size buffer
xenbus: maximum buffer size is XENSTORE_PAYLOAD_MAX
xen/xenbus: Reject replies with payload > XENSTORE_PAYLOAD_MAX.
Xen: consolidate and simplify struct xenbus_driver instantiation
xen-gntalloc: introduce missing kfree
xen/xenbus: Fix compile error - missing header for xen_initial_domain()
xen/netback: Enable netback on HVM guests
xen/grant-table: Support mappings required by blkback
xenbus: Use grant-table wrapper functions
xenbus: Support HVM backends
xen/xenbus-frontend: Fix compile error with randconfig
xen/xenbus-frontend: Make error message more clear
xen/privcmd: Remove unused support for arch specific privcmp mmap
xen: Add xenbus_backend device
xen: Add xenbus device driver
xen: Add privcmd device driver
xen/gntalloc: fix reference counts on multi-page mappings
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* commit 'v3.2-rc3': (412 commits)
Linux 3.2-rc3
virtio-pci: make reset operation safer
virtio-mmio: Correct the name of the guest features selector
virtio: add HAS_IOMEM dependency to MMIO platform bus driver
eCryptfs: Extend array bounds for all filename chars
eCryptfs: Flush file in vma close
eCryptfs: Prevent file create race condition
regulator: TPS65910: Fix VDD1/2 voltage selector count
i2c: Make i2cdev_notifier_call static
i2c: Delete ANY_I2C_BUS
i2c: Fix device name for 10-bit slave address
i2c-algo-bit: Generate correct i2c address sequence for 10-bit target
drm: integer overflow in drm_mode_dirtyfb_ioctl()
Revert "of/irq: of_irq_find_parent: check for parent equal to child"
drivers/gpu/vga/vgaarb.c: add missing kfree
drm/radeon/kms/atom: unify i2c gpio table handling
drm/radeon/kms: fix up gpio i2c mask bits for r4xx for real
ttm: Don't return the bo reserved on error path
mount_subtree() pointless use-after-free
iio: fix a leak due to improper use of anon_inode_getfd()
...
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Receiver-side copying of packets is based on this implementation, it gives
better performance and better CPU accounting. It totally supports three types:
full-page, sub-page and transitive grants.
However this patch does not cover sub-page and transitive grants, it mainly
focus on Full-page part and implements grant table V2 interfaces corresponding
to what already exists in grant table V1, such as: grant table V2
initialization, mapping, releasing and exported interfaces.
Each guest can only supports one type of grant table type, every entry in grant
table should be the same version. It is necessary to set V1 or V2 version before
initializing the grant table.
Grant table exported interfaces of V2 are same with those of V1, Xen is
responsible to judge what grant table version guests are using in every grant
operation.
V2 fulfills the same role of V1, and it is totally backwards compitable with V1.
If dom0 support grant table V2, the guests runing on it can run with either V1
or V2.
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Annie Li <annie.li@oracle.com>
[v1: Modified alloc_vm_area call (new parameters), indentation, and cleanpatch
warnings]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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This patch introduces new structures of grant table V2, grant table V2 is an
extension from V1. Grant table is shared between guest and Xen, and Xen is
responsible to do corresponding work for grant operations, such as: figure
out guest's grant table version, perform different actions based on
different grant table version, etc. Although full-page structure of V2
is different from V1, it play the same role as V1.
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Annie Li <annie.li@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Which is that 128GB is not going to happen with 32-bit PV DomU.
Lets use something more realistic. Also update the 64-bit to 500GB
which is the max a PV guest can do.
Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com>
[v1: Updated 128GB->500GB for 64-bit]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/for-linus-fixes-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/mmu: Fix compile errors introduced by x86/memblock mismerge.
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The git commit d4bbf7e7759afc172e2bfbc5c416324590049cdd
"Merge branch 'master' into x86/memblock" mismerged the 32-bit
section causing:
arch/x86/xen/mmu.c: In function ‘xen_setup_kernel_pagetable’:
arch/x86/xen/mmu.c:1855: error: expected ‘;’ before ‘)’ token
arch/x86/xen/mmu.c:1855: error: expected statement before ‘)’ token
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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* 'kvm-updates/3.3' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (74 commits)
KVM: PPC: Whitespace fix for kvm.h
KVM: Fix whitespace in kvm_para.h
KVM: PPC: annotate kvm_rma_init as __init
KVM: x86 emulator: implement RDPMC (0F 33)
KVM: x86 emulator: fix RDPMC privilege check
KVM: Expose the architectural performance monitoring CPUID leaf
KVM: VMX: Intercept RDPMC
KVM: SVM: Intercept RDPMC
KVM: Add generic RDPMC support
KVM: Expose a version 2 architectural PMU to a guests
KVM: Expose kvm_lapic_local_deliver()
KVM: x86 emulator: Use opcode::execute for Group 9 instruction
KVM: x86 emulator: Use opcode::execute for Group 4/5 instructions
KVM: x86 emulator: Use opcode::execute for Group 1A instruction
KVM: ensure that debugfs entries have been created
KVM: drop bsp_vcpu pointer from kvm struct
KVM: x86: Consolidate PIT legacy test
KVM: x86: Do not rely on implicit inclusions
KVM: Make KVM_INTEL depend on CPU_SUP_INTEL
KVM: Use memdup_user instead of kmalloc/copy_from_user
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Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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RDPMC is only privileged if CR4.PCE=0. check_rdpmc() already implements this,
so all we need to do is drop the Priv flag.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Provide a CPUID leaf that describes the emulated PMU.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Intercept RDPMC and forward it to the PMU emulation code.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Intercept RDPMC and forward it to the PMU emulation code.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Add a helper function that emulates the RDPMC instruction operation.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Use perf_events to emulate an architectural PMU, version 2.
Based on PMU version 1 emulation by Avi Kivity.
[avi: adjust for cpuid.c]
[jan: fix anonymous field initialization for older gcc]
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Needed to deliver performance monitoring interrupts.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Group 9: 0F C7
Rename em_grp9() to em_cmpxchg8b() and register it.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Group 4: FE
Group 5: FF
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Group 1A: 8F
Register em_pop() directly and remove em_grp1a().
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Drop bsp_vcpu pointer from kvm struct since its only use is incorrect
anyway.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Move the test for KVM_PIT_FLAGS_HPET_LEGACY into create_pit_timer
instead of replicating it on the caller site.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Works so far by change, but it is not guaranteed to stay like this.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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PMU virtualization needs to talk to Intel-specific bits of perf; these are
only available when CPU_SUP_INTEL=y.
Fixes
arch/x86/built-in.o: In function `atomic_switch_perf_msrs':
vmx.c:(.text+0x6b1d4): undefined reference to `perf_guest_get_msrs'
Reported-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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* tip/perf/core: (66 commits)
perf, x86: Expose perf capability to other modules
perf, x86: Implement arch event mask as quirk
x86, perf: Disable non available architectural events
jump_label: Provide jump_label_key initializers
jump_label, x86: Fix section mismatch
perf, core: Rate limit perf_sched_events jump_label patching
perf: Fix enable_on_exec for sibling events
perf: Remove superfluous arguments
perf, x86: Prefer fixed-purpose counters when scheduling
perf, x86: Fix event scheduler for constraints with overlapping counters
perf, x86: Implement event scheduler helper functions
perf: Avoid a useless pmu_disable() in the perf-tick
x86/tools: Add decoded instruction dump mode
x86: Update instruction decoder to support new AVX formats
x86/tools: Fix insn_sanity message outputs
x86/tools: Fix instruction decoder message output
x86: Fix instruction decoder to handle grouped AVX instructions
x86/tools: Fix Makefile to build all test tools
perf test: Soft errors shouldn't stop the "Validate PERF_RECORD_" test
perf test: Validate PERF_RECORD_ events and perf_sample fields
...
Signed-off-by: Avi Kivity <avi@redhat.com>
* commit 'b3d9468a8bd218a695e3a0ff112cd4efd27b670a': (66 commits)
perf, x86: Expose perf capability to other modules
perf, x86: Implement arch event mask as quirk
x86, perf: Disable non available architectural events
jump_label: Provide jump_label_key initializers
jump_label, x86: Fix section mismatch
perf, core: Rate limit perf_sched_events jump_label patching
perf: Fix enable_on_exec for sibling events
perf: Remove superfluous arguments
perf, x86: Prefer fixed-purpose counters when scheduling
perf, x86: Fix event scheduler for constraints with overlapping counters
perf, x86: Implement event scheduler helper functions
perf: Avoid a useless pmu_disable() in the perf-tick
x86/tools: Add decoded instruction dump mode
x86: Update instruction decoder to support new AVX formats
x86/tools: Fix insn_sanity message outputs
x86/tools: Fix instruction decoder message output
x86: Fix instruction decoder to handle grouped AVX instructions
x86/tools: Fix Makefile to build all test tools
perf test: Soft errors shouldn't stop the "Validate PERF_RECORD_" test
perf test: Validate PERF_RECORD_ events and perf_sample fields
...
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Switch to using memdup_user when possible. This makes code more
smaller and compact, and prevents errors.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Switch to kmemdup() in two places to shorten the code and avoid possible bugs.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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