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669ab0b210
linux/crypto
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Dan Williams 669ab0b210 async_tx: fix handling of the "out of descriptor" condition in async_xor 
Ensure forward progress is made when a dmaengine driver is unable to
allocate an xor descriptor by breaking the dependency chain with
async_tx_quisce() and issue any pending descriptors.

Tested with iop-adma by setting device->max_xor = 2 to force multiple
calls to device_prep_dma_xor for each call to async_xor and limiting the
descriptor slot pool to 5.  Discovered that the minimum descriptor pool
size for iop-adma is 2 * iop_chan_xor_slot_cnt(device->max_xor) + 1.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-07-17 17:59:55 -07:00
..
async_tx async_tx: fix handling of the "out of descriptor" condition in async_xor 2008-07-17 17:59:55 -07:00
ablkcipher.c
aead.c
aes_generic.c [CRYPTO] aes: Export generic setkey 2008-04-21 10:19:34 +08:00
algapi.c
anubis.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
api.c [CRYPTO] api: Make the crypto subsystem fully modular 2008-04-21 10:19:23 +08:00
arc4.c
authenc.c [CRYPTO] authenc: Fix async crypto crash in crypto_authenc_genicv() 2008-05-01 18:22:28 +08:00
blkcipher.c
blowfish.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
camellia.c
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
chainiv.c
cipher.c
compress.c
crc32c.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
cryptd.c [CRYPTO] cryptd: Correct kzalloc error test 2008-05-01 18:22:28 +08:00
crypto_null.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
cryptomgr.c
ctr.c
cts.c [CRYPTO] cts: Add CTS mode required for Kerberos AES support 2008-04-21 10:19:23 +08:00
deflate.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
des_generic.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
digest.c
ecb.c
eseqiv.c [CRYPTO] eseqiv: Fix off-by-one encryption 2008-05-01 18:22:28 +08:00
fcrypt.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
gcm.c
gf128mul.c
hash.c
hmac.c [CRYPTO] hmac: Avoid calling virt_to_page on key 2008-05-07 21:08:56 +08:00
internal.h
Kconfig [CRYPTO] kconfig: Ordering cleanup 2008-04-21 10:19:34 +08:00
khazad.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
lrw.c [CRYPTO] lrw: Replace all adds to big endians variables with be*_add_cpu 2008-04-21 10:19:22 +08:00
lzo.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
Makefile [CRYPTO] api: Make the crypto subsystem fully modular 2008-04-21 10:19:23 +08:00
md4.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
md5.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
michael_mic.c
pcbc.c
proc.c [CRYPTO] api: Constify function pointer tables 2008-04-21 10:19:22 +08:00
salsa20_generic.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
scatterwalk.c
seed.c
seqiv.c
serpent.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
sha1_generic.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
sha256_generic.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
sha512_generic.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
tcrypt.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
tcrypt.h [CRYPTO] cts: Add CTS mode required for Kerberos AES support 2008-04-21 10:19:23 +08:00
tea.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
tgr192.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
twofish_common.c
twofish.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
wp512.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
xcbc.c
xor.c
xts.c