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5dd33c9a4c
linux/crypto
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NeilBrown 5dd33c9a4c md/async: don't pass a memory pointer as a page pointer. 
md/raid6 passes a list of 'struct page *' to the async_tx routines,
which then either DMA map them for offload, or take the page_address
for CPU based calculations.

For RAID6 we sometime leave 'blanks' in the list of pages.
For CPU based calcs, we want to treat theses as a page of zeros.
For offloaded calculations, we simply don't pass a page to the
hardware.

Currently the 'blanks' are encoded as a pointer to
raid6_empty_zero_page.  This is a 4096 byte memory region, not a
'struct page'.  This is mostly handled correctly but is rather ugly.

So change the code to pass and expect a NULL pointer for the blanks.
When taking page_address of a page, we need to check for a NULL and
in that case use raid6_empty_zero_page.

Signed-off-by: NeilBrown <neilb@suse.de>
2009-10-16 16:40:25 +11:00
..
async_tx md/async: don't pass a memory pointer as a page pointer. 2009-10-16 16:40:25 +11:00
ablkcipher.c crypto: blkcipher - Do not use eseqiv on stream ciphers 2009-08-14 22:58:18 +10:00
aead.c crypto: aead - Avoid infinite loop when nivaead fails selftest 2009-02-18 21:21:24 +08:00
aes_generic.c crypto: aes - Undefined behaviour in crypto_aes_expand_key 2009-07-24 13:59:17 +08:00
ahash.c crypto: ahash - Use GFP_KERNEL on allocation if the request can sleep 2009-07-24 13:56:31 +08:00
algapi.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2009-09-11 09:38:37 -07:00
algboss.c crypto: api - Add new template create function 2009-07-07 12:30:33 +08:00
ansi_cprng.c crypto: ansi_cprng - Fix module initialization 2009-08-29 17:36:25 +10:00
anubis.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
api.c crypto: api - Remove frontend argument from extsize/init_tfm 2009-07-14 12:58:15 +08:00
arc4.c
authenc.c crypto: authenc - Convert to ahash 2009-08-05 19:35:34 +10:00
blkcipher.c crypto: skcipher - Avoid infinite loop when cipher fails selftest 2009-02-18 21:20:06 +08:00
blowfish.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
camellia.c crypto: camellia - use kernel-provided bitops, unaligned access 2008-12-25 11:01:15 +11:00
cast5.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
cast6.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
cbc.c
ccm.c crypto: ccm - Fix handling of null assoc data 2009-01-27 17:11:15 +11:00
chainiv.c crypto: chainiv - Use kcrypto_wq instead of keventd_wq 2009-02-19 14:44:02 +08:00
cipher.c
compress.c
crc32c.c libcrc32c: Move implementation to crypto crc32c 2008-12-25 11:01:40 +11:00
cryptd.c crypto: cryptd - Add support to access underlaying shash 2009-08-06 15:35:20 +10:00
crypto_null.c crypto: null - Switch to shash 2008-12-25 11:02:07 +11:00
crypto_wq.c crypto: api - Use dedicated workqueue for crypto subsystem 2009-02-19 14:33:40 +08:00
ctr.c crypto: ctr - Use chainiv on raw counter mode 2009-08-13 23:10:39 +10:00
cts.c [CRYPTO] cts: Init SG tables 2008-06-02 15:46:51 +10:00
deflate.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
des_generic.c crypto: des3_ede - permit weak keys unless REQ_WEAK_KEY set 2008-12-25 11:02:28 +11:00
digest.c crypto: hash - Fix digest size check for digest type 2008-08-13 20:08:38 +10:00
ecb.c
eseqiv.c crypto: eseqiv - Fix IV generation for sync algorithms 2009-04-15 20:45:03 +08:00
fcrypt.c crypto: remove uses of __constant_{endian} helpers 2008-12-25 11:02:03 +11:00
fips.c crypto: api - Add fips_enable flag 2008-08-29 15:50:02 +10:00
gcm.c crypto: gcm - Use GHASH digest algorithm 2009-08-06 15:34:26 +10:00
gf128mul.c crypto: Fix dead links 2009-03-04 14:43:52 +08:00
ghash-generic.c crypto: ghash - Add GHASH digest algorithm for GCM 2009-08-06 15:32:38 +10:00
hash.c crypto: hash - Move ahash functions into crypto/hash.h 2008-07-10 20:35:18 +08:00
hmac.c crypto: hmac - Prehash ipad/opad 2009-07-24 15:18:41 +08:00
internal.h crypto: cryptd - Switch to template create API 2009-07-14 18:45:45 +08:00
Kconfig crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
khazad.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
krng.c crypto: rng - RNG interface and implementation 2008-08-29 15:50:04 +10:00
lrw.c crypto: lrw - Fix big endian support 2009-02-17 20:00:11 +08:00
lzo.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
Makefile crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
md4.c crypto: md4 - Switch to shash 2008-12-25 11:02:16 +11:00
md5.c crypto: md5 - Switch to shash 2008-12-25 11:02:18 +11:00
michael_mic.c crypto: michael_mic - Switch to shash 2008-12-25 11:02:24 +11:00
pcbc.c
pcompress.c crypto: api - Remove frontend argument from extsize/init_tfm 2009-07-14 12:58:15 +08:00
proc.c crypto: api - Call type show function before legacy for proc 2008-12-25 11:01:32 +11:00
ripemd.h [CRYPTO] ripemd: Put all common RIPEMD values in header file 2008-07-10 20:35:12 +08:00
rmd128.c crypto: rmd128 - Switch to shash 2008-12-25 11:02:09 +11:00
rmd160.c crypto: rmd160 - Switch to shash 2008-12-25 11:02:10 +11:00
rmd256.c crypto: rmd256 - Switch to shash 2008-12-25 11:02:12 +11:00
rmd320.c crypto: rmd320 - Switch to shash 2008-12-25 11:02:13 +11:00
rng.c crypto: rng - Fix typo 2009-08-13 11:53:56 +10:00
salsa20_generic.c crypto: salsa20 - Remove private wrappers around various operations 2008-12-25 11:02:30 +11:00
scatterwalk.c crypto: scatterwalk - Avoid flush_dcache_page on slab pages 2009-02-09 14:30:25 +11:00
seed.c
seqiv.c crypto: skcipher - Use RNG interface instead of get_random_bytes 2008-08-29 15:50:06 +10:00
serpent.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
sha1_generic.c crypto: sha1_generic - Add export/import support 2009-07-11 18:23:33 +08:00
sha256_generic.c crypto: sha256_generic - Add export/import support 2009-07-11 18:23:34 +08:00
sha512_generic.c crypto: sha512_generic - Use 64-bit counters 2009-07-22 14:38:13 +08:00
shash.c crypto: shash - Test for the algorithms import function before exporting it 2009-07-24 13:57:13 +08:00
tcrypt.c crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
tcrypt.h crypto: cryptomgr - Add test infrastructure 2008-08-29 15:49:55 +10:00
tea.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
testmgr.c crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
testmgr.h crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
tgr192.c crypto: tgr192 - Switch to shash 2008-12-25 11:02:21 +11:00
twofish_common.c
twofish.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
vmac.c crypto: vmac - New hash algorithm for intel_txt support 2009-09-02 20:05:22 +10:00
wp512.c crypto: wp512 - Switch to shash 2008-12-25 11:02:22 +11:00
xcbc.c crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx 2009-08-20 17:58:04 +10:00
xor.c crypto: don't track xor test pages with kmemcheck 2009-06-15 12:40:10 +02:00
xts.c [CRYPTO] xts: Use proper alignment 2008-03-06 18:56:19 +08:00
zlib.c crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final} 2009-06-02 14:04:56 +10:00