* [BUGFIX 3/3] crypto: Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu template
@ 2009-06-15 9:05 Huang Ying
0 siblings, 0 replies; only message in thread
From: Huang Ying @ 2009-06-15 9:05 UTC (permalink / raw)
To: Herbert Xu; +Cc: linux-kernel, linux-crypto
kernel_fpu_begin/end used preempt_disable/enable, so sleep should be
prevented between kernel_fpu_begin/end.
Signed-off-by: Huang Ying <ying.huang@intel.com>
---
arch/x86/crypto/fpu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/crypto/fpu.c
+++ b/arch/x86/crypto/fpu.c
@@ -48,7 +48,7 @@ static int crypto_fpu_encrypt(struct blk
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 blk
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();
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2009-06-15 9:05 [BUGFIX 3/3] crypto: Remove CRYPTO_TFM_REQ_MAY_SLEEP from fpu template Huang Ying
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