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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-21 13:14:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-21 13:14:07 -0700
commit00d94a6a5e3d6a44818e2911a4d606e28e29fecb (patch)
tree15a524318349cb4075f6dd69d87e4414ba54ed31 /arch/x86
parent8b12e2505ad8c5010922e45f896d908fd1436709 (diff)
parentb6f34d44cb341ad32f08717d1a2c418e6053a031 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aes-ni - Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu template crypto: aes-ni - Do not sleep when using the FPU crypto: aes-ni - Fix cbc mode IV saving crypto: padlock-aes - work around Nano CPU errata in CBC mode crypto: padlock-aes - work around Nano CPU errata in ECB mode
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/crypto/aesni-intel_asm.S5
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c4
-rw-r--r--arch/x86/crypto/fpu.c4
3 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index caba9960170..eb0566e8331 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -845,7 +845,7 @@ ENTRY(aesni_cbc_enc)
*/
ENTRY(aesni_cbc_dec)
cmp $16, LEN
- jb .Lcbc_dec_ret
+ jb .Lcbc_dec_just_ret
mov 480(KEYP), KLEN
add $240, KEYP
movups (IVP), IV
@@ -891,6 +891,7 @@ ENTRY(aesni_cbc_dec)
add $16, OUTP
cmp $16, LEN
jge .Lcbc_dec_loop1
- movups IV, (IVP)
.Lcbc_dec_ret:
+ movups IV, (IVP)
+.Lcbc_dec_just_ret:
ret
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 4e663398f77..c580c5ec1ca 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -198,6 +198,7 @@ static int ecb_encrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
kernel_fpu_begin();
while ((nbytes = walk.nbytes)) {
@@ -221,6 +222,7 @@ static int ecb_decrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
kernel_fpu_begin();
while ((nbytes = walk.nbytes)) {
@@ -266,6 +268,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
kernel_fpu_begin();
while ((nbytes = walk.nbytes)) {
@@ -289,6 +292,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
+ desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
kernel_fpu_begin();
while ((nbytes = walk.nbytes)) {
diff --git a/arch/x86/crypto/fpu.c b/arch/x86/crypto/fpu.c
index 5f9781a3815..daef6cd2b45 100644
--- a/arch/x86/crypto/fpu.c
+++ b/arch/x86/crypto/fpu.c
@@ -48,7 +48,7 @@ static int crypto_fpu_encrypt(struct blkcipher_desc *desc_in,
struct blkcipher_desc desc = {
.tfm = child,
.info = desc_in->info,
- .flags = desc_in->flags,
+ .flags = desc_in->flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
};
kernel_fpu_begin();
@@ -67,7 +67,7 @@ static int crypto_fpu_decrypt(struct blkcipher_desc *desc_in,
struct blkcipher_desc desc = {
.tfm = child,
.info = desc_in->info,
- .flags = desc_in->flags,
+ .flags = desc_in->flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
};
kernel_fpu_begin();