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Commit 4fe71dba authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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: aesni-intel - Fix irq_fpu_usable usage
  crypto: padlock-sha - Fix stack alignment
parents 4223a4a1 13b79b97

arch/x86/crypto/aesni-intel_glue.c

+5 −5
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ static int aes_set_key_common(struct crypto_tfm *tfm, void *raw_ctx, 
		return -EINVAL;

	}



	if (irq_fpu_usable())

	if (!irq_fpu_usable())

		err = crypto_aes_expand_key(ctx, in_key, key_len);

	else {

		kernel_fpu_begin();
@@ -103,7 +103,7 @@ static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) 
{

	struct crypto_aes_ctx *ctx = aes_ctx(crypto_tfm_ctx(tfm));



	if (irq_fpu_usable())

	if (!irq_fpu_usable())

		crypto_aes_encrypt_x86(ctx, dst, src);

	else {

		kernel_fpu_begin();
@@ -116,7 +116,7 @@ static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) 
{

	struct crypto_aes_ctx *ctx = aes_ctx(crypto_tfm_ctx(tfm));



	if (irq_fpu_usable())

	if (!irq_fpu_usable())

		crypto_aes_decrypt_x86(ctx, dst, src);

	else {

		kernel_fpu_begin();
@@ -342,7 +342,7 @@ static int ablk_encrypt(struct ablkcipher_request *req) 
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);

	struct async_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);



	if (irq_fpu_usable()) {

	if (!irq_fpu_usable()) {

		struct ablkcipher_request *cryptd_req =

			ablkcipher_request_ctx(req);

		memcpy(cryptd_req, req, sizeof(*req));
@@ -363,7 +363,7 @@ static int ablk_decrypt(struct ablkcipher_request *req) 
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);

	struct async_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);



	if (irq_fpu_usable()) {

	if (!irq_fpu_usable()) {

		struct ablkcipher_request *cryptd_req =

			ablkcipher_request_ctx(req);

		memcpy(cryptd_req, req, sizeof(*req));

drivers/crypto/padlock-sha.c

+12 −2
Original line number Diff line number Diff line
@@ -24,6 +24,12 @@ 
#include <asm/i387.h>

#include "padlock.h"



#ifdef CONFIG_64BIT

#define STACK_ALIGN 16

#else

#define STACK_ALIGN 4

#endif



struct padlock_sha_desc {

	struct shash_desc fallback;

};
@@ -64,7 +70,9 @@ static int padlock_sha1_finup(struct shash_desc *desc, const u8 *in, 
	/* We can't store directly to *out as it may be unaligned. */

	/* BTW Don't reduce the buffer size below 128 Bytes!

	 *     PadLock microcode needs it that big. */

	char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT)));

	char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__

		((aligned(STACK_ALIGN)));

	char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);

	struct padlock_sha_desc *dctx = shash_desc_ctx(desc);

	struct sha1_state state;

	unsigned int space;
@@ -128,7 +136,9 @@ static int padlock_sha256_finup(struct shash_desc *desc, const u8 *in, 
	/* We can't store directly to *out as it may be unaligned. */

	/* BTW Don't reduce the buffer size below 128 Bytes!

	 *     PadLock microcode needs it that big. */

	char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT)));

	char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__

		((aligned(STACK_ALIGN)));

	char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);

	struct padlock_sha_desc *dctx = shash_desc_ctx(desc);

	struct sha256_state state;

	unsigned int space;