diff options
| author | Eric Biggers <ebiggers@google.com> | 2019-03-13 06:12:48 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-03-22 13:57:27 +0100 |
| commit | f2abe0d72b21671ad19db075262411e3d4a828dd (patch) | |
| tree | 3f79646d9642c62169f7b42f872f5ef400f870ee /arch/x86/crypto/crct10dif-pclmul_glue.c | |
| parent | crypto: simd,testmgr - introduce crypto_simd_usable() (diff) | |
| download | linux-f2abe0d72b21671ad19db075262411e3d4a828dd.tar.xz linux-f2abe0d72b21671ad19db075262411e3d4a828dd.zip | |
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>
Diffstat (limited to 'arch/x86/crypto/crct10dif-pclmul_glue.c')
| -rw-r--r-- | arch/x86/crypto/crct10dif-pclmul_glue.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/crypto/crct10dif-pclmul_glue.c b/arch/x86/crypto/crct10dif-pclmul_glue.c index 0e785c0b2354..64f17d2d8b67 100644 --- a/arch/x86/crypto/crct10dif-pclmul_glue.c +++ b/arch/x86/crypto/crct10dif-pclmul_glue.c @@ -26,12 +26,13 @@ #include <linux/module.h> #include <linux/crc-t10dif.h> #include <crypto/internal/hash.h> +#include <crypto/internal/simd.h> #include <linux/init.h> #include <linux/string.h> #include <linux/kernel.h> -#include <asm/fpu/api.h> #include <asm/cpufeatures.h> #include <asm/cpu_device_id.h> +#include <asm/simd.h> asmlinkage u16 crc_t10dif_pcl(u16 init_crc, const u8 *buf, size_t len); @@ -53,7 +54,7 @@ static int chksum_update(struct shash_desc *desc, const u8 *data, { struct chksum_desc_ctx *ctx = shash_desc_ctx(desc); - if (length >= 16 && irq_fpu_usable()) { + if (length >= 16 && crypto_simd_usable()) { kernel_fpu_begin(); ctx->crc = crc_t10dif_pcl(ctx->crc, data, length); kernel_fpu_end(); @@ -73,7 +74,7 @@ static int chksum_final(struct shash_desc *desc, u8 *out) static int __chksum_finup(__u16 *crcp, const u8 *data, unsigned int len, u8 *out) { - if (len >= 16 && irq_fpu_usable()) { + if (len >= 16 && crypto_simd_usable()) { kernel_fpu_begin(); *(__u16 *)out = crc_t10dif_pcl(*crcp, data, len); kernel_fpu_end(); |