crypto: x86 - convert to use crypto_simd_usable()
Replace all calls to irq_fpu_usable() in the x86 crypto code with
crypto_simd_usable(), in order to allow testing the no-SIMD code paths.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c
index 5773e11..a58fe21 100644
--- a/arch/x86/crypto/crc32c-intel_glue.c
+++ b/arch/x86/crypto/crc32c-intel_glue.c
@@ -29,10 +29,11 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
#include <asm/cpufeatures.h>
#include <asm/cpu_device_id.h>
-#include <asm/fpu/internal.h>
+#include <asm/simd.h>
#define CHKSUM_BLOCK_SIZE 1
#define CHKSUM_DIGEST_SIZE 4
@@ -177,7 +178,7 @@ static int crc32c_pcl_intel_update(struct shash_desc *desc, const u8 *data,
* use faster PCL version if datasize is large enough to
* overcome kernel fpu state save/restore overhead
*/
- if (len >= CRC32C_PCL_BREAKEVEN && irq_fpu_usable()) {
+ if (len >= CRC32C_PCL_BREAKEVEN && crypto_simd_usable()) {
kernel_fpu_begin();
*crcp = crc_pcl(data, len, *crcp);
kernel_fpu_end();
@@ -189,7 +190,7 @@ static int crc32c_pcl_intel_update(struct shash_desc *desc, const u8 *data,
static int __crc32c_pcl_intel_finup(u32 *crcp, const u8 *data, unsigned int len,
u8 *out)
{
- if (len >= CRC32C_PCL_BREAKEVEN && irq_fpu_usable()) {
+ if (len >= CRC32C_PCL_BREAKEVEN && crypto_simd_usable()) {
kernel_fpu_begin();
*(__le32 *)out = ~cpu_to_le32(crc_pcl(data, len, *crcp));
kernel_fpu_end();