x86: Move kernel_fpu_using to irq_fpu_usable in asm/i387.h

[cascardo/linux.git] / arch / x86 / crypto / aesni-intel_glue.c

diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index c580c5e..7667235 100644 (file)
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -59,13 +59,6 @@ asmlinkage void aesni_cbc_enc(struct crypto_aes_ctx *ctx, u8 *out,
 asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out,
                              const u8 *in, unsigned int len, u8 *iv);
 
-static inline int kernel_fpu_using(void)
-{
-       if (in_interrupt() && !(read_cr0() & X86_CR0_TS))
-               return 1;
-       return 0;
-}
-
 static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
 {
        unsigned long addr = (unsigned long)raw_ctx;
@@ -89,7 +82,7 @@ static int aes_set_key_common(struct crypto_tfm *tfm, void *raw_ctx,
                return -EINVAL;
        }
 
-       if (kernel_fpu_using())
+       if (irq_fpu_usable())
                err = crypto_aes_expand_key(ctx, in_key, key_len);
        else {
                kernel_fpu_begin();
@@ -110,7 +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 (kernel_fpu_using())
+       if (irq_fpu_usable())
                crypto_aes_encrypt_x86(ctx, dst, src);
        else {
                kernel_fpu_begin();
@@ -123,7 +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 (kernel_fpu_using())
+       if (irq_fpu_usable())
                crypto_aes_decrypt_x86(ctx, dst, src);
        else {
                kernel_fpu_begin();
@@ -349,7 +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 (kernel_fpu_using()) {
+       if (irq_fpu_usable()) {
                struct ablkcipher_request *cryptd_req =
                        ablkcipher_request_ctx(req);
                memcpy(cryptd_req, req, sizeof(*req));
@@ -370,7 +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 (kernel_fpu_using()) {
+       if (irq_fpu_usable()) {
                struct ablkcipher_request *cryptd_req =
                        ablkcipher_request_ctx(req);
                memcpy(cryptd_req, req, sizeof(*req));