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authorEric Biggers <ebiggers@google.com>2022-11-18 11:44:12 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2022-11-25 17:39:19 +0800
commit0f8bc4bd48dd148046c19c38568cd9449c79b45f (patch)
tree14c6cb075ee6ca20ce1a526c1e69b07e924d5bac /arch/x86/crypto/nhpoly1305-avx2-glue.c
parentc67b553a4f4a8bd921e4c9ceae00e111be09c488 (diff)
crypto: x86/nhpoly1305 - eliminate unnecessary CFI wrappers
Since the CFI implementation now supports indirect calls to assembly functions, take advantage of that rather than use wrapper functions. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/nhpoly1305-avx2-glue.c')
-rw-r--r--arch/x86/crypto/nhpoly1305-avx2-glue.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/x86/crypto/nhpoly1305-avx2-glue.c b/arch/x86/crypto/nhpoly1305-avx2-glue.c
index 8ea5ab0f1ca7..46b036204ed9 100644
--- a/arch/x86/crypto/nhpoly1305-avx2-glue.c
+++ b/arch/x86/crypto/nhpoly1305-avx2-glue.c
@@ -14,14 +14,7 @@
#include <asm/simd.h>
asmlinkage void nh_avx2(const u32 *key, const u8 *message, size_t message_len,
- u8 hash[NH_HASH_BYTES]);
-
-/* wrapper to avoid indirect call to assembly, which doesn't work with CFI */
-static void _nh_avx2(const u32 *key, const u8 *message, size_t message_len,
- __le64 hash[NH_NUM_PASSES])
-{
- nh_avx2(key, message, message_len, (u8 *)hash);
-}
+ __le64 hash[NH_NUM_PASSES]);
static int nhpoly1305_avx2_update(struct shash_desc *desc,
const u8 *src, unsigned int srclen)
@@ -33,7 +26,7 @@ static int nhpoly1305_avx2_update(struct shash_desc *desc,
unsigned int n = min_t(unsigned int, srclen, SZ_4K);
kernel_fpu_begin();
- crypto_nhpoly1305_update_helper(desc, src, n, _nh_avx2);
+ crypto_nhpoly1305_update_helper(desc, src, n, nh_avx2);
kernel_fpu_end();
src += n;
srclen -= n;