| Commit message (Collapse) | Author | Age | Files | Lines |
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Reclaim will be leaving shadow entries in the page cache radix tree upon
evicting the real page. As those pages are found from the LRU, an
iput() can lead to the inode being freed concurrently. At this point,
reclaim must no longer install shadow pages because the inode freeing
code needs to ensure the page tree is really empty.
Add an address_space flag, AS_EXITING, that the inode freeing code sets
under the tree lock before doing the final truncate. Reclaim will check
for this flag before installing shadow pages.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Bob Liu <bob.liu@oracle.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Metin Doslu <metin@citusdata.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Ozgun Erdogan <ozgun@citusdata.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Roman Gushchin <klamm@yandex-team.ru>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull crypto updates from Herbert Xu:
"Here is the crypto update for 3.15:
- Added 3DES driver for OMAP4/AM43xx
- Added AVX2 acceleration for SHA
- Added hash-only AEAD algorithms in caam
- Removed tegra driver as it is not functioning and the hardware is
too slow
- Allow blkcipher walks over AEAD (needed for ARM)
- Fixed unprotected FPU/SSE access in ghash-clmulni-intel
- Fixed highmem crash in omap-sham
- Add (zero entropy) randomness when initialising hardware RNGs
- Fixed unaligned ahash comletion functions
- Added soft module depedency for crc32c for initrds that use crc32c"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (60 commits)
crypto: ghash-clmulni-intel - use C implementation for setkey()
crypto: x86/sha1 - reduce size of the AVX2 asm implementation
crypto: x86/sha1 - fix stack alignment of AVX2 variant
crypto: x86/sha1 - re-enable the AVX variant
crypto: sha - SHA1 transform x86_64 AVX2
crypto: crypto_wq - Fix late crypto work queue initialization
crypto: caam - add missing key_dma unmap
crypto: caam - add support for aead null encryption
crypto: testmgr - add aead null encryption test vectors
crypto: export NULL algorithms defines
crypto: caam - remove error propagation handling
crypto: hash - Simplify the ahash_finup implementation
crypto: hash - Pull out the functions to save/restore request
crypto: hash - Fix the pointer voodoo in unaligned ahash
crypto: caam - Fix first parameter to caam_init_rng
crypto: omap-sham - Map SG pages if they are HIGHMEM before accessing
crypto: caam - Dynamic memory allocation for caam_rng_ctx object
crypto: allow blkcipher walks over AEAD data
crypto: remove direct blkcipher_walk dependency on transform
hwrng: add randomness to system from rng sources
...
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(struct caam_ctx) ctx->key_dma needs to be unmapped
when context is cleaned up.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for the following combinations:
-encryption: null
-authentication: md5, sha* (1, 224, 256, 384, 512)
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 61bb86bba169507a5f223b94b9176c32c84b4721
("crypto: caam - set descriptor sharing type to SERIAL")
changed the descriptor sharing mode from SHARE_WAIT to SHARE_SERIAL.
All descriptor commands that handle the "ok to share" and
"error propagation" settings should also go away, since they have no
meaning for SHARE_SERIAL.
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Found by the kbuild test robot, the first argument to caam_init_rng
has a spurious ampersand.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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HIGHMEM pages may not be mapped so we must kmap them before accessing.
This resolves a random OOPs error that was showing up during OpenSSL SHA tests.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch allocates memory from DMAable region to the caam_rng_ctx object,
earlier it had been statically allocated which resulted in errorneous
behaviour on inserting the caamrng module at the runtime.
Signed-off-by: Nitesh Lal <NiteshNarayanLal@freescale.com>
Acked-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When bringing a new RNG source online, it seems like it would make sense
to use some of its bytes to make the system entropy pool more random,
as done with all sorts of other devices that contain per-device or
per-boot differences.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Optimize the hashing operation in the MXS-DCP by doing two adjustments:
1) Given that the output buffer for the hash is now always correctly aligned,
we can just use the buffer for the DCP DMA to store the resulting hash.
We thus get rid of one copying of data. Moreover, we remove an entry from
dcp_coherent_block{} and thus lower the memory footprint of the driver.
2) We map the output buffer for the hash for DMA only in case we will output
the hash, not always, as it was now.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The DCP needs the bounce buffers, DMA descriptors and result buffers aligned
to 64 bytes (yet another hardware limitation). Make sure they are aligned by
properly aligning the structure which contains them during allocation.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Make omap_des_copy_needed(), omap_des_copy_sgs(), because these
functions are used only in this file.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_clk_get() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_clk_get() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_clk_get() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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coherent memory
1) SSYNC instruction is blackfin specific and takes no effect in this driver.
2) DMA descriptor and SG middle buffer are in DMA coherent memory. No need
to flush.
3) Turn kzalloc, ioremap and request_irq into managed device APIs respectively.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When the crypto layer is able to queue up a command for processing
by the CCP on the initial call to ccp_crypto_enqueue_request and
the CCP returns -EBUSY, then if the backlog flag is not set the
command needs to be freed and not added to the active command list.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Invoke the callback routine associated with the crypto context
if an error is encountered sending the command to the CCP during
backlog processing. This is needed to free any resources used
by the command.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If a CCP command has been queued for processing at the
crypto layer then, when dequeueing it for processing, the
"can backlog" flag must be set so that the request isn't
lost if the CCP backlog queue limit is reached.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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My guess is that this little endian configuration is never found in real
life, but if it were then the writel() arguments are in the wrong order
so the driver would crash immediately.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This driver has never been hooked up in any board file, and cannot be
instantiated via device tree. I've been told that, at least on Tegra20,
the HW is slower at crypto than the main CPU. I have no test-case for
it. Hence, remove it.
Cc: Varun Wadekar <vwadekar@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add config and build options for the omap-des driver.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add omap-des driver with platform data for OMAP4/AM43xx. Support added for DES
ECB and CBC modes. Also add support for 3DES operation where 3 64-bit keys are
used to perform a DES encrypt-decrypt-encrypt (des3_ede) operation on a buffer.
Tests have been conducted with the CRYPTO test manager, and functionality is
verified at different page length alignments.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We should test the error case for each platform_get_irq() assignment and
propagate the error accordingly.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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SEC ERA has to be retrieved by reading the "fsl,sec-era" property
from the device tree. This property is updated/filled in by
u-boot.
Signed-off-by: Alex Porosanu <alexandru.porosanu@freescale.com>
Reviewed-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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My static checker complains that:
drivers/char/hw_random/core.c:341 hwrng_register()
warn: we tested 'old_rng' before and it was 'false'
The problem is that sometimes we test "if (!old_rng)" and sometimes we
test "if (must_register_misc)". The static checker knows they are
equivalent but a human being reading the code could easily be confused.
I have simplified the code by removing the "must_register_misc" variable
and I have removed the redundant check on "if (!old_rng)".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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stmp_reset_block() may fail, so check its return value and propagate it in the
case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Using devm_kzalloc() can make the code cleaner.
While at it, remove the devm_kzalloc error message as there is standard OOM
message done by the core.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In function talitos_probe(), it will jump to err_out when getting an
error in talitos_probe_irq(). Then the uninitialized list head
priv->alg_list will be used in function talitos_remove(). In this case
we would get a call trace like the following. So move up the
initialization of priv->alg_list.
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc0459ff4
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=8 P1020 RDB
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W 3.13.0-08789-g54c0a4b46150 #33
task: cf050000 ti: cf04c000 task.ti: cf04c000
NIP: c0459ff4 LR: c0459fd4 CTR: c02f2438
REGS: cf04dcb0 TRAP: 0300 Tainted: G W (3.13.0-08789-g54c0a4b46150)
MSR: 00029000 <CE,EE,ME> CR: 82000028 XER: 20000000
DEAR: 00000000 ESR: 00000000
GPR00: c045ac28 cf04dd60 cf050000 cf2579c0 00021000 00000000 c02f35b0 0000014e
GPR08: c07e702c cf104300 c07e702c 0000014e 22000024 00000000 c0002a3c 00000000
GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 c082e4e0 000000df
GPR24: 00000000 00100100 00200200 cf257a2c cf0efe10 cf2579c0 cf0efe10 00000000
NIP [c0459ff4] talitos_remove+0x3c/0x1c8
LR [c0459fd4] talitos_remove+0x1c/0x1c8
Call Trace:
[cf04dd60] [c07485d8] __func__.13331+0x1241c8/0x1391c0 (unreliable)
[cf04dd90] [c045ac28] talitos_probe+0x244/0x998
[cf04dde0] [c0306a74] platform_drv_probe+0x28/0x68
[cf04ddf0] [c0304d38] really_probe+0x78/0x250
[cf04de10] [c030505c] __driver_attach+0xc8/0xcc
[cf04de30] [c0302e98] bus_for_each_dev+0x6c/0xb8
[cf04de60] [c03043cc] bus_add_driver+0x168/0x220
[cf04de80] [c0305798] driver_register+0x88/0x130
[cf04de90] [c0002458] do_one_initcall+0x14c/0x198
[cf04df00] [c079f904] kernel_init_freeable+0x138/0x1d4
[cf04df30] [c0002a50] kernel_init+0x14/0x124
[cf04df40] [c000ec40] ret_from_kernel_thread+0x5c/0x64
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Change from scheduling work to scheduling a tasklet to perform
the callback operations.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move to a single queue to serialize requests within a tfm. When
testing using IPSec with a large number of network connections
the per cpu tfm queuing logic was not working properly.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move the support to perform an HMAC calculation into
the CCP operations file. This eliminates the need to
perform a synchronous SHA operation used to calculate
the HMAC.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Introduce module parameters that allow for disabling of a
crypto algorithm by not registering the algorithm with the
crypto API.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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There are some suspicious looking lines of code in the new ccp driver, including
one that assigns a variable to itself, and another that overwrites a previous assignment.
This may have been a cut-and-paste error where 'src' was forgotten to be changed to 'dst'.
I have no hardware to test this, so this is untested.
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The SEC Controller driver creates platform devices for it's child job ring nodes.
Currently the driver uses for_each_compatible routine which traverses
the whole device tree to create the job rings for the platform device.
The patch changes this to search for the compatible property of job ring
only in the child nodes i.e., the job rings are created as per the number
of children associated with the crypto node.
Signed-off-by: Nitesh Lal <NiteshNarayanLal@freescale.com>
Reviewed-by: Horia Geanta <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move the AES operation type and mode from async crypto context to
crypto request context. This allows for recycling of the async crypto
context for different kinds of operations.
I found this problem when I used dm-crypt, which uses the same async
crypto context (actx) for both encryption and decryption requests.
Since the requests are enqueued into the processing queue, immediatelly
storing the type of operation into async crypto context (actx) caused
corruption of this information when encryption and decryption operations
followed imediatelly one after the other. When the first operation was
dequeued, the second operation was already enqueued and overwritten the
type of operation in actx, thus causing incorrect result of the first
operation.
Fix this problem by storing the type of operation into the crypto request
context.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull networking updates from David Miller:
"Here is my initial pull request for the networking subsystem during
this merge window:
1) Support for ESN in AH (RFC 4302) from Fan Du.
2) Add full kernel doc for ethtool command structures, from Ben
Hutchings.
3) Add BCM7xxx PHY driver, from Florian Fainelli.
4) Export computed TCP rate information in netlink socket dumps, from
Eric Dumazet.
5) Allow IPSEC SA to be dumped partially using a filter, from Nicolas
Dichtel.
6) Convert many drivers to pci_enable_msix_range(), from Alexander
Gordeev.
7) Record SKB timestamps more efficiently, from Eric Dumazet.
8) Switch to microsecond resolution for TCP round trip times, also
from Eric Dumazet.
9) Clean up and fix 6lowpan fragmentation handling by making use of
the existing inet_frag api for it's implementation.
10) Add TX grant mapping to xen-netback driver, from Zoltan Kiss.
11) Auto size SKB lengths when composing netlink messages based upon
past message sizes used, from Eric Dumazet.
12) qdisc dumps can take a long time, add a cond_resched(), From Eric
Dumazet.
13) Sanitize netpoll core and drivers wrt. SKB handling semantics.
Get rid of never-used-in-tree netpoll RX handling. From Eric W
Biederman.
14) Support inter-address-family and namespace changing in VTI tunnel
driver(s). From Steffen Klassert.
15) Add Altera TSE driver, from Vince Bridgers.
16) Optimizing csum_replace2() so that it doesn't adjust the checksum
by checksumming the entire header, from Eric Dumazet.
17) Expand BPF internal implementation for faster interpreting, more
direct translations into JIT'd code, and much cleaner uses of BPF
filtering in non-socket ocntexts. From Daniel Borkmann and Alexei
Starovoitov"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1976 commits)
netpoll: Use skb_irq_freeable to make zap_completion_queue safe.
net: Add a test to see if a skb is freeable in irq context
qlcnic: Fix build failure due to undefined reference to `vxlan_get_rx_port'
net: ptp: move PTP classifier in its own file
net: sxgbe: make "core_ops" static
net: sxgbe: fix logical vs bitwise operation
net: sxgbe: sxgbe_mdio_register() frees the bus
Call efx_set_channels() before efx->type->dimension_resources()
xen-netback: disable rogue vif in kthread context
net/mlx4: Set proper build dependancy with vxlan
be2net: fix build dependency on VxLAN
mac802154: make csma/cca parameters per-wpan
mac802154: allow only one WPAN to be up at any given time
net: filter: minor: fix kdoc in __sk_run_filter
netlink: don't compare the nul-termination in nla_strcmp
can: c_can: Avoid led toggling for every packet.
can: c_can: Simplify TX interrupt cleanup
can: c_can: Store dlc private
can: c_can: Reduce register access
can: c_can: Make the code readable
...
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git://gitorious.org/linux-can/linux-can
linux-can-fixes-for-3.15-20140401
Marc Kleine-Budde says:
====================
this is a pull request of 16 patches for the 3.15 release cycle.
Bjorn Van Tilt contributes a patch which fixes a memory leak in usb_8dev's
usb_8dev_start_xmit()s error path. A patch by Robert Schwebel fixes a typo in
the can documentation. The remaining patches all target the c_can driver. Two
of them are by me; they add a missing netif_napi_del() and return value
checking. Thomas Gleixner contributes 12 patches, which address several
shortcomings in the driver like hardware initialisation, concurrency, message
ordering and poor performance.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no point to toggle the RX led for every packet. Especially if
we have a full FIFO we want to avoid everything we can.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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