提交 · 9cac3a297d8d7a46a2d430913187547b8441a0b5 · openeuler / raspberrypi-kernel

27 9月, 2012 9 次提交

J
crypto: testmgr - add test vectors for partial ctr(cast5) and ctr(cast6) · 9cac3a29
由 Jussi Kivilinna 提交于 9月 19, 2012
```
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
```
9cac3a29

crypto: testmgr - allow non-multi page and multi page skcipher tests from same test template · f44d83d1

由 Jussi Kivilinna 提交于 9月 19, 2012

Allow non-multi page and multi page skcipher tests to be run on same test template, to avoid
duplicating data.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

f44d83d1

crypto: caam - increase TRNG clocks per sample · a5bbf6fa

由 Kim Phillips 提交于 9月 17, 2012

we need to configure the TRNG to use more clocks per sample
to handle the two back-to-back 64KiB random descriptor requests
on higher frequency P5040s.
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

a5bbf6fa

crypto, tcrypt: remove local_bh_disable/enable() around local_irq_disable/enable() · b6f3fefe

由 Suresh Siddha 提交于 9月 17, 2012

Ran into this while looking at some new crypto code using FPU
hitting a WARN_ON_ONCE(!irq_fpu_usable()) in the kernel_fpu_begin()
on a x86 kernel that uses the new eagerfpu model. In short, current eagerfpu
changes return 0 for interrupted_kernel_fpu_idle() and the in_interrupt()
thinks it is in the interrupt context because of the local_bh_disable().
Thus resulting in the WARN_ON().

Remove the local_bh_disable/enable() calls around the existing
local_irq_disable/enable() calls. local_irq_disable/enable() already
disables the BH.

 [ If there are any other legitimate users calling kernel_fpu_begin() from
   the process context but with BH disabled, then we can look into fixing the
   irq_fpu_usable() in future. ]
Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

b6f3fefe

crypto: tegra-aes - fix error return code · 35c41db8

由 Peter Senna Tschudin 提交于 9月 17, 2012

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>
Signed-off-by: NPeter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

35c41db8

crypto: crypto4xx - fix error return code · b48ae1df

由 Peter Senna Tschudin 提交于 9月 17, 2012

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>
Signed-off-by: NPeter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

b48ae1df

crypto: hifn_795x - fix error return code · c2ff861d

由 Peter Senna Tschudin 提交于 9月 17, 2012

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>
Signed-off-by: NPeter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

c2ff861d

crypto: ux500 - fix error return code · 79c09c12

由 Peter Senna Tschudin 提交于 9月 17, 2012

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>
Signed-off-by: NPeter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: NArun Murthy <arunrmurthy83@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

79c09c12

crypto: caam - fix error IDs for SEC v5.x RNG4 · 39ab7358

由 Horia Geanta 提交于 9月 15, 2012

According to SEC v5.0-v5.3 reference manuals.
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Acked-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

39ab7358

07 9月, 2012 18 次提交

hwrng: mxc-rnga - Access data via structure · 821873ab

由 Fabio Estevam 提交于 9月 04, 2012

In current driver, everytime we need to access the rng clock
,ie to enable or disable it, a call to clk_get is done.

This is not correct and the preferred way is to provide a rng data structure
that could be used for accessing rng resources.
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

821873ab

hwrng: mxc-rnga - Adapt clocks to new i.mx clock framework · a9ccb7bd

由 Fabio Estevam 提交于 9月 04, 2012

Adapt clocks to the new i.mx clock framework and fix the following warning:

------------[ cut here ]------------
WARNING: at drivers/clk/clk.c:511 __clk_enable+0x9c/0xac()
Modules linked in:
Backtrace:
[<800124c8>] (dump_backtrace+0x0/0x10c) from [<804172dc>] (dump_stack+0x18/0x1c)
 r7:00000009 r6:000001ff r5:8032cb50 r4:00000000
[<804172c4>] (dump_stack+0x0/0x1c) from [<80021834>] (warn_slowpath_common+0x54)
[<800217e0>] (warn_slowpath_common+0x0/0x6c) from [<80021870>] (warn_slowpath_n)
 r9:80581cac r8:8700a9c0 r7:805ab070 r6:80000013 r5:806133d4
r4:8700a9c0
[<8002184c>] (warn_slowpath_null+0x0/0x2c) from [<8032cb50>] (__clk_enable+0x9c)
[<8032cab4>] (__clk_enable+0x0/0xac) from [<8032cb88>] (clk_enable+0x28/0x44)
 r5:806133d4 r4:8700a9c0
[<8032cb60>] (clk_enable+0x0/0x44) from [<80560f14>] (mxc_rnga_probe+0x68/0x164)
 r7:805ab070 r6:8706ec00 r5:80611314 r4:00000000
[<80560eac>] (mxc_rnga_probe+0x0/0x164) from [<8025914c>] (platform_drv_probe+0)
[<8025912c>] (platform_drv_probe+0x0/0x24) from [<80257c7c>] (driver_probe_devi)
[<80257bfc>] (driver_probe_device+0x0/0x204) from [<80257e94>] (__driver_attach)
 r9:80581cac r8:0000008e r7:00000000 r6:8706ec3c r5:805ab070
r4:8706ec08
[<80257e00>] (__driver_attach+0x0/0x98) from [<8025642c>] (bus_for_each_dev+0x6)
 r7:00000000 r6:80257e00 r5:87035e98 r4:805ab070
[<802563c4>] (bus_for_each_dev+0x0/0x94) from [<80257adc>] (driver_attach+0x20/)
 r7:00000000 r6:873f2380 r5:805ab338 r4:805ab070
[<80257abc>] (driver_attach+0x0/0x28) from [<80256d50>] (bus_add_driver+0x18c/0)
[<80256bc4>] (bus_add_driver+0x0/0x268) from [<802584c4>] (driver_register+0x80)
[<80258444>] (driver_register+0x0/0x134) from [<802594f4>] (platform_driver_reg)
 r7:00000000 r6:805c2e00 r5:00000007 r4:805ab05c
[<802594a8>] (platform_driver_register+0x0/0x60) from [<80259528>] (platform_dr)
[<80259508>] (platform_driver_probe+0x0/0xa4) from [<80560ea0>] (mod_init+0x18/)
 r7:00000000 r6:805c2e00 r5:00000007 r4:87034000
[<80560e88>] (mod_init+0x0/0x24) from [<800086b4>] (do_one_initcall+0x40/0x194)
[<80008674>] (do_one_initcall+0x0/0x194) from [<8053d3f4>] (kernel_init+0xfc/0x)
[<8053d2f8>] (kernel_init+0x0/0x1cc) from [<80027190>] (do_exit+0x0/0x7ec)
---[ end trace 4198eed02050f461 ]---
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

a9ccb7bd

crypto: caam - add IPsec ESN support · 891104ed

由 Horia Geanta 提交于 9月 04, 2012

Support for ESNs (extended sequence numbers).
Tested with strongswan by connecting back-to-back P1010RDB with P2020RDB.
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

891104ed

crypto: 842 - remove .cra_list initialization · c2b3711d

由 Jussi Kivilinna 提交于 8月 29, 2012

.cra_list initialization is unneeded and have been removed from all other
crypto modules except 842.

Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: NSeth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

c2b3711d

Revert "[CRYPTO] cast6: inline bloat--" · 312639bb

由 Jussi Kivilinna 提交于 8月 28, 2012

This reverts commit e6ccc727.

Above commit caused performance regression for CAST6. Reverting gives
following increase in tcrypt speed tests (revert-vs-old ratios).

AMD Phenom II X6 1055T, x86-64:

size ecb cbc ctr lrw xts
enc dec enc dec enc dec enc dec enc dec
16b 1.15x 1.17x 1.16x 1.17x 1.16x 1.16x 1.14x 1.19x 1.05x 1.07x
64b 1.19x 1.23x 1.20x 1.22x 1.19x 1.19x 1.16x 1.24x 1.12x 1.12x
256b 1.21x 1.24x 1.22x 1.24x 1.20x 1.20x 1.17x 1.21x 1.16x 1.14x
1kb 1.21x 1.25x 1.22x 1.24x 1.21x 1.21x 1.18x 1.22x 1.17x 1.15x
8kb 1.21x 1.25x 1.22x 1.24x 1.21x 1.21x 1.18x 1.22x 1.18x 1.15x

Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

312639bb

crypto: cast6 - fix sparse warnings (symbol was not declared, should be static?) · 35434c5f

由 Jussi Kivilinna 提交于 8月 28, 2012

Fix "symbol 'x' was not declared. Should it be static?" sparse warnings.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

35434c5f

crypto: cast5 - fix sparse warnings (symbol was not declared, should be static?) · 3cfad0d0

由 Jussi Kivilinna 提交于 8月 28, 2012

Fix "symbol 'x' was not declared. Should it be static?" sparse warnings.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

3cfad0d0

crypto: camellia-x86_64 - fix sparse warnings (constant is so big) · 1ffb72a3

由 Jussi Kivilinna 提交于 8月 28, 2012

Fix "constant 0xXXXXXXXXXXXXXXXX is so big it's unsigned long" sparse warnings.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

1ffb72a3

crypto: crypto_user - fix sparse warnings (symbol was not declared, should be static?) · 66ce0b0f

由 Jussi Kivilinna 提交于 8月 28, 2012

Fix "symbol 'x' was not declared. Should it be static?" sparse warnings.
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

66ce0b0f

crypto: cast6-avx - tune assembler code for more performance · c09220e1

由 Jussi Kivilinna 提交于 8月 28, 2012

Patch replaces 'movb' instructions with 'movzbl' to break false register
dependencies, interleaves instructions better for out-of-order scheduling
and merges constant 16-bit rotation with round-key variable rotation.

tcrypt ECB results:

Intel Core i5-2450M:

size    old-vs-new      new-vs-generic  old-vs-generic
        enc     dec     enc     dec     enc     dec
256     1.13x   1.19x   2.05x   2.17x   1.82x   1.82x
1k      1.18x   1.21x   2.26x   2.33x   1.93x   1.93x
8k      1.19x   1.19x   2.32x   2.33x   1.95x   1.95x

[v2]
 - Do instruction interleaving another way to avoid adding new FPU<=>CPU
   register moves as these cause performance drop on Bulldozer.
 - Improvements to round-key variable rotation handling.
 - Further interleaving improvements for better out-of-order scheduling.

Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

c09220e1

crypto: cast5-avx - tune assembler code for more performance · ddaea786

由 Jussi Kivilinna 提交于 8月 28, 2012

Patch replaces 'movb' instructions with 'movzbl' to break false register
dependencies, interleaves instructions better for out-of-order scheduling
and merges constant 16-bit rotation with round-key variable rotation.

tcrypt ECB results (128bit key):

Intel Core i5-2450M:

size    old-vs-new      new-vs-generic  old-vs-generic
        enc     dec     enc     dec     enc     dec
256     1.18x   1.18x   2.45x   2.47x   2.08x   2.10x
1k      1.20x   1.20x   2.73x   2.73x   2.28x   2.28x
8k      1.20x   1.19x   2.73x   2.73x   2.28x   2.29x

[v2]
 - Do instruction interleaving another way to avoid adding new FPU<=>CPU
   register moves as these cause performance drop on Bulldozer.
 - Improvements to round-key variable rotation handling.
 - Further interleaving improvements for better out-of-order scheduling.

Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

ddaea786

crypto: twofish-avx - tune assembler code for more performance · f94a73f8

由 Jussi Kivilinna 提交于 8月 28, 2012

Patch replaces 'movb' instructions with 'movzbl' to break false register
dependencies and interleaves instructions better for out-of-order scheduling.

Tested on Intel Core i5-2450M and AMD FX-8100.

tcrypt ECB results:

Intel Core i5-2450M:

size    old-vs-new      new-vs-3way     old-vs-3way
        enc     dec     enc     dec     enc     dec
256     1.12x   1.13x   1.36x   1.37x   1.21x   1.22x
1k      1.14x   1.14x   1.48x   1.49x   1.29x   1.31x
8k      1.14x   1.14x   1.50x   1.52x   1.32x   1.33x

AMD FX-8100:

size    old-vs-new      new-vs-3way     old-vs-3way
        enc     dec     enc     dec     enc     dec
256     1.10x   1.11x   1.01x   1.01x   0.92x   0.91x
1k      1.11x   1.12x   1.08x   1.07x   0.97x   0.96x
8k      1.11x   1.13x   1.10x   1.08x   0.99x   0.97x

[v2]
 - Do instruction interleaving another way to avoid adding new FPU<=>CPU
   register moves as these cause performance drop on Bulldozer.
 - Further interleaving improvements for better out-of-order scheduling.
Tested-by: NBorislav Petkov <bp@alien8.de>
Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

f94a73f8

crypto: geode-aes - Use module_pci_driver · 49d30d3d

由 Sachin Kamat 提交于 8月 27, 2012

module_pci_driver makes the code simpler by eliminating
module_init and module_exit calls.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

49d30d3d

crypto: remove duplicated include · 21a5b95f

由 Wei Yongjun 提交于 8月 26, 2012

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Remove duplicated include.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

21a5b95f

crypto: caam - coccicheck fixes · 2af8f4a2

由 Kim Phillips 提交于 9月 07, 2012

use true/false for bool, fix code alignment, and fix two allocs with
no test.
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

2af8f4a2

crypto: ux500/hash - remove unneeded return at ux500_hash_mod_fini · 6bbb98dd

由 Devendra Naga 提交于 8月 24, 2012

Signed-off-by: NDevendra Naga <develkernel412222@gmail.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

6bbb98dd

arm/crypto: Add optimized AES and SHA1 routines · f0be44f4

由 David McCullough 提交于 9月 07, 2012

Add assembler versions of AES and SHA1 for ARM platforms. This has provided
up to a 50% improvement in IPsec/TCP throughout for tunnels using AES128/SHA1.

Platform CPU SPeed Endian Before (bps) After (bps) Improvement

IXP425 533 MHz big 11217042 15566294 ~38%
KS8695 166 MHz little 3828549 5795373 ~51%
Signed-off-by: NDavid McCullough <ucdevel@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

f0be44f4

crypto: Add a MAINTAINERS entry for P7+ in-Nest crypto driver · 956c203c

由 Kent Yoder 提交于 9月 07, 2012

Add a MAINTAINERS entry for the IBM Power in-Nest Crypto Acceleators
driver.
Signed-off-by: NKent Yoder <key@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

956c203c

28 8月, 2012 7 次提交

crypto: talitos - add IPsec ESN support · e763eb69

由 Horia Geanta 提交于 8月 08, 2012

Support for ESNs (extended sequence numbers).
Tested with strongswan on a P2020RDB back-to-back setup.
Extracted from /etc/ipsec.conf:
esp=aes-sha1-esn-modp4096!
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

e763eb69

crypto: talitos - support for assoc data provided as scatterlist · 79fd31d3

由 Horia Geanta 提交于 8月 02, 2012

Generate a link table in case assoc data is a scatterlist.
While at it, add support for handling non-contiguous assoc data and iv.
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

79fd31d3

crypto: talitos - change type and name for [src|dst]_is_chained · 2a1cfe46

由 Horia Geanta 提交于 8月 02, 2012

It's more natural to think of these vars as bool rather than int.
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

2a1cfe46

crypto: talitos - prune unneeded descriptor allocation param · 602499a3

由 Horia Geanta 提交于 8月 02, 2012

talitos_edesc_alloc does not need hash_result param.
Checking whether dst scatterlist is NULL or not is all that is required.
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

602499a3

crypto: talitos - fix icv management on outbound direction · 60542505

由 Horia Geanta 提交于 8月 02, 2012

For IPsec encryption, in the case when:
-the input buffer is fragmented (edesc->src_nents > 0)
-the output buffer is not fragmented (edesc->dst_nents = 0)
the ICV is not output in the link table, but after the encrypted payload.

Copying the ICV must be avoided in this case; consequently the condition
edesc->dma_len > 0 must be more specific, i.e. must depend on the type
of the output buffer - fragmented or not.

Testing was performed by modifying testmgr to support src != dst,
since currently native kernel IPsec does in-place encryption
(src == dst).
Signed-off-by: NHoria Geanta <horia.geanta@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

60542505

crypto: talitos - consolidate common cra_* assignments · b286e003

由 Kim Phillips 提交于 8月 08, 2012

the entry points and geniv definitions for all aead,
ablkcipher, and hash algorithms are all common; move them to a
single assignment in talitos_alg_alloc().

This assumes it's ok to assign a setkey() on non-hmac algs.
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

b286e003

crypto: talitos - consolidate cra_type assignments · d4cd3283

由 Kim Phillips 提交于 8月 08, 2012

lighten driver_algs[] by moving them to talitos_alg_alloc().
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

d4cd3283

20 8月, 2012 4 次提交

crypto: atmel - Remove possible typo error · 22eed1ca

由 Tushar Behera 提交于 8月 07, 2012

Commit bd3c7b5c ("crypto: atmel - add Atmel AES driver") possibly
has a typo error of adding an extra CONFIG_.

CC: Nicolas Royer <nicolas@eukrea.com>
Signed-off-by: NTushar Behera <tushar.behera@linaro.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

22eed1ca

drivers/char/hw_random/octeon-rng.c: drop frees of devm allocated data · 4dbb845d

由 Julia Lawall 提交于 8月 04, 2012

devm_kfree and devm_iounmap should not have to be explicitly used.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,d;
@@

x = devm_kzalloc(...)
...
?-devm_kfree(d,x);
// </smpl>
Signed-off-by: NJulia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

4dbb845d

crypto: nx - Remove virt_to_abs() usage in nx-842.c · 33b58b01

由 Michael Ellerman 提交于 8月 03, 2012

virt_to_abs() is just a wrapper around __pa(), use __pa() directly.

We should be including <asm/page.h> to get __pa(). abs_addr.h will be
removed shortly so drop that.

We were getting of.h via abs_addr.h so we need to include that directly.

Having done all that, clean up the ordering of the includes.
Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Acked-by: NSeth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

33b58b01

crypto: aesni_intel - improve lrw and xts performance by utilizing parallel... · 023af608

由 Jussi Kivilinna 提交于 7月 22, 2012

crypto: aesni_intel - improve lrw and xts performance by utilizing parallel AES-NI hardware pipelines

Use parallel LRW and XTS encryption facilities to better utilize AES-NI
hardware pipelines and gain extra performance.

Tcrypt benchmark results (async), old vs new ratios:

Intel Core i5-2450M CPU (fam: 6, model: 42, step: 7)

aes:128bit
        lrw:256bit      xts:256bit
size    lrw-enc lrw-dec xts-dec xts-dec
16B     0.99x   1.00x   1.22x   1.19x
64B     1.38x   1.50x   1.58x   1.61x
256B    2.04x   2.02x   2.27x   2.29x
1024B   2.56x   2.54x   2.89x   2.92x
8192B   2.85x   2.99x   3.40x   3.23x

aes:192bit
        lrw:320bit      xts:384bit
size    lrw-enc lrw-dec xts-dec xts-dec
16B     1.08x   1.08x   1.16x   1.17x
64B     1.48x   1.54x   1.59x   1.65x
256B    2.18x   2.17x   2.29x   2.28x
1024B   2.67x   2.67x   2.87x   3.05x
8192B   2.93x   2.84x   3.28x   3.33x

aes:256bit
        lrw:348bit      xts:512bit
size    lrw-enc lrw-dec xts-dec xts-dec
16B     1.07x   1.07x   1.18x   1.19x
64B     1.56x   1.56x   1.70x   1.71x
256B    2.22x   2.24x   2.46x   2.46x
1024B   2.76x   2.77x   3.13x   3.05x
8192B   2.99x   3.05x   3.40x   3.30x

Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: NJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Reviewed-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

023af608

01 8月, 2012 2 次提交

powerpc/crypto: add 842 crypto driver · 35a1fc18

由 Seth Jennings 提交于 7月 19, 2012

This patch add the 842 cryptographic API driver that
submits compression requests to the 842 hardware compression
accelerator driver (nx-compress).

If the hardware accelerator goes offline for any reason
(dynamic disable, migration, etc...), this driver will use LZO
as a software failover for all future compression requests.
For decompression requests, the 842 hardware driver contains
a software implementation of the 842 decompressor to support
the decompression of data that was compressed before the accelerator
went offline.
Signed-off-by: NRobert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: NSeth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

35a1fc18

powerpc/crypto: add 842 hardware compression driver · 0e16aafb

由 Seth Jennings 提交于 7月 19, 2012

This patch adds the driver for interacting with the 842
compression accelerator on IBM Power7+ systems.

The device is a child of the Platform Facilities Option (PFO)
and shows up as a child of the IBM VIO bus.

The compression/decompression API takes the same arguments
as existing compression methods like lzo and deflate.  The 842
hardware operates on 4K hardware pages and the driver breaks up
input on 4K boundaries to submit it to the hardware accelerator.
Signed-off-by: NRobert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: NSeth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

0e16aafb