This patch converts aesni (including fpu) over to the skcipher
interface. The LRW implementation has been removed as the generic
LRW code can now be used directly on top of the accelerated ECB
implementation.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently we manually filter out internal algorithms using a list
in testmgr. This is dangerous as internal algorithms cannot be
safely used even by testmgr. This patch ensures that they're never
processed by testmgr at all.
This patch also removes an obsolete bypass for nivciphers which
no longer exist.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds xts helpers that use the skcipher interface rather
than blkcipher. This will be used by aesni_intel.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds the simd skcipher helper which is meant to be
a replacement for ablk helper. It replaces the underlying blkcipher
interface with skcipher, and also presents the top-level algorithm
as an skcipher.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Currently all bits not set in mask are cleared in crypto_larval_lookup.
This is unnecessary as wherever the type bits are used it is always
masked anyway.
This patch removes the clearing so that we may use bits set in the
type but not in the mask for special purposes, e.g., picking up
internal algorithms.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch converts xts over to the skcipher interface. It also
optimises the implementation to be based on ECB instead of the
underlying cipher. For compatibility the existing naming scheme
of xts(aes) is maintained as opposed to the more obvious one of
xts(ecb(aes)).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch converts lrw over to the skcipher interface. It also
optimises the implementation to be based on ECB instead of the
underlying cipher. For compatibility the existing naming scheme
of lrw(aes) is maintained as opposed to the more obvious one of
lrw(ecb(aes)).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch makes use of the new skcipher walk interface instead of
the obsolete blkcipher walk interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds the skcipher walk interface which replaces both
blkcipher walk and ablkcipher walk. Just like blkcipher walk it
can also be used for AEAD algorithms.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
For consistency with the other 246 kernel configuration options,
rename CRYPT_CRC32C_VPMSUM to CRYPTO_CRC32C_VPMSUM.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Anton Blanchard <anton@samba.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit 9c17d96500 ("xen/gntdev: Grant maps should not be subject to
NUMA balancing") set VM_IO flag to prevent grant maps from being
subjected to NUMA balancing.
It was discovered recently that this flag causes get_user_pages() to
always fail with -EFAULT.
check_vma_flags
__get_user_pages
__get_user_pages_locked
__get_user_pages_unlocked
get_user_pages_fast
iov_iter_get_pages
dio_refill_pages
do_direct_IO
do_blockdev_direct_IO
do_blockdev_direct_IO
ext4_direct_IO_read
generic_file_read_iter
aio_run_iocb
(which can happen if guest's vdisk has direct-io-safe option).
To avoid this let's use VM_MIXEDMAP flag instead --- it prevents
NUMA balancing just as VM_IO does and has no effect on
check_vma_flags().
Cc: stable@vger.kernel.org
Reported-by: Olaf Hering <olaf@aepfle.de>
Suggested-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Hugh Dickins <hughd@google.com>
Tested-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Juergen Gross <jgross@suse.com>
This integrates both the accelerated scalar and the NEON implementations
of SHA-224/256 as well as SHA-384/512 from the OpenSSL project.
Relative performance compared to the respective generic C versions:
| SHA256-scalar | SHA256-NEON* | SHA512 |
------------+-----------------+--------------+----------+
Cortex-A53 | 1.63x | 1.63x | 2.34x |
Cortex-A57 | 1.43x | 1.59x | 1.95x |
Cortex-A73 | 1.26x | 1.56x | ? |
The core crypto code was authored by Andy Polyakov of the OpenSSL
project, in collaboration with whom the upstream code was adapted so
that this module can be built from the same version of sha512-armv8.pl.
The version in this patch was taken from OpenSSL commit 32bbb62ea634
("sha/asm/sha512-armv8.pl: fix big-endian support in __KERNEL__ case.")
* The core SHA algorithm is fundamentally sequential, but there is a
secondary transformation involved, called the schedule update, which
can be performed independently. The NEON version of SHA-224/SHA-256
only implements this part of the algorithm using NEON instructions,
the sequential part is always done using scalar instructions.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This will improve the task exit case, by batching tlb invalidates.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
When we are updating a pte, we just need to flush the tlb mapping
that pte. Right now we do a full mm flush because we don't track page
size. Now that we have page size details in pte use that to do the
optimized flush
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
When we are updating a pte, we just need to flush the tlb mapping
that pte. Right now we do a full mm flush because we don't track the page
size. Now that we have page size details in pte use that to do the
optimized flush
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Now that we have page size details encoded in pte using software pte
bits, use that to find the page size needed for tlb flush.
This function should only be used on P9 DD1, so give it a horrible name
to make that clear.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This patch adds a new software defined pte bit. We use the reserved
fields of ISA 3.0 pte definition since we will only be using this on DD1
code paths. We can possibly look at removing this code later.
The software bit will be used to differentiate between 64K/4K and 2M
ptes. This helps in finding the page size mapping by a pte so that we
can do efficient tlb flush.
We don't support 1G hugetlb pages yet. So we add a DEBUG WARN_ON to
catch wrong usage.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
W.r.t hash page table config, we support 16MB and 16GB as the hugepage
size. Update the hstate_get_psize to handle 16M and 16G.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
We will start moving some book3s specific hugetlb functions there.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This converts one that was missed by b1576fec7f ("powerpc: No need
to use dot symbols when branching to a function").
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
From 80f23935ca ("powerpc: Convert cmp to cmpd in idle enter sequence"):
PowerPC's "cmp" instruction has four operands. Normally people write
"cmpw" or "cmpd" for the second cmp operand 0 or 1. But, frequently
people forget, and write "cmp" with just three operands.
With older binutils this is silently accepted as if this was "cmpw",
while often "cmpd" is wanted. With newer binutils GAS will complain
about this for 64-bit code. For 32-bit code it still silently assumes
"cmpw" is what is meant.
In this case, cmpwi is called for, so this is just a build fix for
new toolchains.
Cc: stable@vger.kernel.org # v3.0+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Currently the memory controller and master priorities drivers are
enabled in da850.dtsi. For boards for which there are no settings
defined, this makes these drivers emit error messages.
Disable the nodes in da850.dtsi and only enable them for da850-lcdk -
the only board that currently needs them.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
When removing a sub directory/rdtgroup by rmdir or umount, closid in a
task in the sub directory is set to default rdtgroup's closid which is 0.
If the task is running on a CPU, the PQR_ASSOC MSR is only updated
when the task runs through a context switch. Up to the context switch,
the task runs with the wrong closid.
Make the change immediately effective by invoking a smp function call on
all CPUs which are running moved task. If one of the affected tasks was
moved or scheduled out before the function call is executed on the CPU the
only damage is the extra interruption of the CPU.
[ tglx: Reworked it to avoid blindly interrupting all CPUs and extra loops ]
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: "Sai Prakhya" <sai.praneeth.prakhya@intel.com>
Cc: "Vikas Shivappa" <vikas.shivappa@linux.intel.com>
Cc: "H. Peter Anvin" <h.peter.anvin@intel.com>
Link: http://lkml.kernel.org/r/1479511084-59727-2-git-send-email-fenghua.yu@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
There was a cut & paste error when adding code to update the per-cpu
closid when changing the bitmask of CPUs to an rdt group.
The update erronously assigns the closid of the default group to the CPUs
which are moved to a group instead of assigning the closid of their new
group. Use the proper closid.
Fixes: f410770293 ("x86/intel_rdt: Update percpu closid immeditately on CPUs affected by change")
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: "Sai Prakhya" <sai.praneeth.prakhya@intel.com>
Cc: "Vikas Shivappa" <vikas.shivappa@linux.intel.com>
Cc: "H. Peter Anvin" <h.peter.anvin@intel.com>
Link: http://lkml.kernel.org/r/1479511084-59727-1-git-send-email-fenghua.yu@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
asm/mutex.h is gone from the locking tree, which makes sched/core break the build.
Use linux/mutex.h instead, which is the canonical method.
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: peterz@infradead.org
Cc: jolsa@redhat.com
Cc: rjw@rjwysocki.net
Cc: bp@suse.de
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Currently the mmc driver is polling the gpio to know if the
card was removed.
By using a gpio descriptor instead of the platform callbacks,
the driver will be able to register the gpio using the mmc core
APIs designed for this purpose.
This has the advantage that an irq will be registered, and
polling is no longer needed. Also, a dependency on platform
callbacks is removed for this board.
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
[nsekhar@ti.com: minor commit message edit]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Currently the mmc driver is polling the gpio to know if the
card was removed.
By using a gpio descriptor instead of the platform callbacks,
the driver will be able to register the gpio using the mmc core
APIs designed for this purpose.
This has the advantage that an irq will be registered, and
polling is no longer needed. Also, a dependency on platform
callbacks is removed for this board.
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
[nsekhar@ti.com: minor commit message edit]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Currently the mmc driver is polling the gpio to know if the
card was removed.
By using a gpio descriptor instead of the platform callbacks,
the driver will be able to register the gpio using the mmc core
APIs designed for this purpose.
This has the advantage that an irq will be registered, and
polling is no longer needed. Also, a dependency on platform
callbacks is removed for this board.
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
The newly added sound driver depends on SND_SOC_HDMI_CODEC, which in
turn only makes sense when ASoC is enabled, as shown by this warning:
warning: (DRM_MSM && DRM_STI && DRM_MEDIATEK_HDMI && DRM_I2C_NXP_TDA998X && DRM_DW_HDMI_I2S_AUDIO) selects SND_SOC_HDMI_CODEC which has unmet direct dependencies (SOUND && !M68K && !UML && SND && SND_SOC)
Since the audio driver is probably useless without the audio subsystem,
adding a dependency here seems the right solution.
Fixes: 2761ba6c09 ("drm: bridge: add DesignWare HDMI I2S audio support")
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161125205411.1157522-1-arnd@arndb.de
These are:
* Fix for an error-path leak in stm
* Host-driven mode in intel_th
* Documentation and other small updates
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Merge tag 'stm-for-greg-20161118' of git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm into char-misc-next
Alexander writes:
stm class/intel_th: Updates for 4.10
These are:
* Fix for an error-path leak in stm
* Host-driven mode in intel_th
* Documentation and other small updates
- Properly mark little endian descriptors for udc
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Merge tag 'usb-ci-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next
Peter writes:
- Adding ULPI PHY support for imx53
- Properly mark little endian descriptors for udc
Detailed description for this pull request:
- The extcon-usb-gpio driver supports the VBUS detection with USB ID and VBUS pin.
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Merge tag 'extcon-next-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into usb-nextx
Chanwoo writes:
Update extcon for 4.10
Detailed description for this pull request:
- The extcon-usb-gpio driver supports the VBUS detection with USB ID and VBUS pin.
Merge contains:
*) Add new usb2 phy driver for Meson8b and GXBB
*) Remove phy drivers added for miphy365 and STiH415/6 (as support for
these SoCs are removed from the kernel)
*) Add a sysfs entry to facilitate usb role swap in rcar SoC
*) Add support for otg port in rk3399
*) misc fixes in various phy drivers and cleanups
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.10
Merge contains:
*) Add new usb2 phy driver for Meson8b and GXBB
*) Remove phy drivers added for miphy365 and STiH415/6 (as support for
these SoCs are removed from the kernel)
*) Add a sysfs entry to facilitate usb role swap in rcar SoC
*) Add support for otg port in rk3399
*) misc fixes in various phy drivers and cleanups
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
smatch correctly warns:
drivers/gpu/drm/drm_fb_helper.c:1960 drm_target_preferred() warn: should '1 << i' be a 64 bit type?
drivers/gpu/drm/drm_fb_helper.c:2001 drm_target_preferred() warn: should '1 << i' be a 64 bit type?
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
There is no need to check port for NULL in uart_port_deref() since we call it
only when port is defined.
There are few places that violate this. Fix them here as well.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Probably the final set before the merge window unless things get significantly
delayed.
New device support
* STM32 ADC core
- new driver. Interesting device with up to 3 ADCs with complex triggering
options that will follow later. Note split into an 'mfd like' core that
handles the interrupt sharing etc between the various instances present and
a per ADC section that is instantiated as many times as needed.
- device tree bindings.
Cleanups and minor fixes
* st_accel
- inline per sensor data as the defines don't add any meaning and make it
much harder to check if a given sensor has the right values.
* hid-magnetometer
- sort out the associations of the associated attributes with the two types.
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Merge tag 'iio-for-4.10d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Fourth set of IIO new device support, features and cleaups for the 4.10 cycle.
Probably the final set before the merge window unless things get significantly
delayed.
New device support
* STM32 ADC core
- new driver. Interesting device with up to 3 ADCs with complex triggering
options that will follow later. Note split into an 'mfd like' core that
handles the interrupt sharing etc between the various instances present and
a per ADC section that is instantiated as many times as needed.
- device tree bindings.
Cleanups and minor fixes
* st_accel
- inline per sensor data as the defines don't add any meaning and make it
much harder to check if a given sensor has the right values.
* hid-magnetometer
- sort out the associations of the associated attributes with the two types.
start is being used as both a macro parameter and as a member of struct
drm_mm_node (node->start). This causes a conflict as cpp then tries to
replace node->start with the passed in string for "start". Work just
fine so long as you also happened to using local variables called start!
Fixes: 522e85dd86 ("drm: Define drm_mm_for_each_node_in_range()")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>.
[danvet: Fixup kerneldoc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161127111623.11124-1-chris@chris-wilson.co.uk
In x86's include/asm/Kbuild three entries are appended to the genhdr-y make
variable:
genhdr-y += unistd_32.h
genhdr-y += unistd_64.h
genhdr-y += unistd_x32.h
The same entries are also appended to that variable in
include/uapi/asm/Kbuild. So commit:
10b63956fc ("UAPI: Plumb the UAPI Kbuilds into the user header installation and checking")
... removed these three entries from include/asm/Kbuild. But, apparently, some
merge conflict resolution re-added them.
The net effect is, in short, that the genhdr-y make variable contains these
file names twice and, as a consequence, that the corresponding headers get
installed twice. And so the build prints:
INSTALL usr/include/asm/ (65 files)
... while in reality only 62 files are installed in that directory.
Nothing breaks because of all that, but it's a good idea to finally remove
these unneeded entries nevertheless.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1480077707-2837-1-git-send-email-pebolle@tiscali.nl
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The make variable KBUILD_CFLAGS contains $(LINUXINCLUDE). But the build
already picks up $(LINUXINCLUDE) from scripts/Makefile.lib. The net effect
is that the (long) list of include directories is used twice.
This is harmless but pointless. So stop using $(LINUXINCLUDE) twice.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1480077514-2586-1-git-send-email-pebolle@tiscali.nl
Signed-off-by: Ingo Molnar <mingo@kernel.org>
My attempt at fixing some KASAN false positive warnings was rather brain
dead, and it broke the guess unwinder. With frame pointers disabled,
/proc/<pid>/stack is broken:
# cat /proc/1/stack
[<ffffffffffffffff>] 0xffffffffffffffff
Restore the code flow to more closely resemble its previous state, while
still using READ_ONCE_NOCHECK() macros to silence KASAN false positives.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: c2d75e03d6 ("x86/unwind: Prevent KASAN false positive warnings in guess unwinder")
Link: http://lkml.kernel.org/r/b824f92c2c22eca5ec95ac56bd2a7c84cf0b9df9.1480309971.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fixes below warning with clang:
In file included from ../arch/x86/tools/relocs_64.c:17:
../arch/x86/tools/relocs.c:977:6: warning: variable 'do_reloc' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
Signed-off-by: Peter Foley <pefoley2@pefoley.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20161126222229.673-1-pefoley2@pefoley.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fix:
arch/x86/platform/olpc/olpc-xo15-sci.c:199:12: warning: ‘xo15_sci_resume’
defined but not used [-Wunused-function]
static int xo15_sci_resume(struct device *dev)
^
which I see in randconfig builds here.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20161126142706.13602-1-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
