[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20251001210201.838686-38-ardb+git@google.com>
Date: Wed, 1 Oct 2025 23:02:18 +0200
From: Ard Biesheuvel <ardb+git@...gle.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
herbert@...dor.apana.org.au, linux@...linux.org.uk,
Ard Biesheuvel <ardb@...nel.org>, Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
Mark Rutland <mark.rutland@....com>, Kees Cook <keescook@...omium.org>,
Catalin Marinas <catalin.marinas@....com>, Mark Brown <broonie@...nel.org>,
Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH v2 16/20] crypto/arm64: sha3 - Switch to 'ksimd' scoped guard API
From: Ard Biesheuvel <ardb@...nel.org>
Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
---
arch/arm64/crypto/sha3-ce-glue.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/crypto/sha3-ce-glue.c b/arch/arm64/crypto/sha3-ce-glue.c
index b4f1001046c9..22732760edd3 100644
--- a/arch/arm64/crypto/sha3-ce-glue.c
+++ b/arch/arm64/crypto/sha3-ce-glue.c
@@ -46,9 +46,8 @@ static int sha3_update(struct shash_desc *desc, const u8 *data,
do {
int rem;
- kernel_neon_begin();
- rem = sha3_ce_transform(sctx->st, data, blocks, ds);
- kernel_neon_end();
+ scoped_ksimd()
+ rem = sha3_ce_transform(sctx->st, data, blocks, ds);
data += (blocks - rem) * bs;
blocks = rem;
} while (blocks);
@@ -73,9 +72,8 @@ static int sha3_finup(struct shash_desc *desc, const u8 *src, unsigned int len,
memset(block + len, 0, bs - len);
block[bs - 1] |= 0x80;
- kernel_neon_begin();
- sha3_ce_transform(sctx->st, block, 1, ds);
- kernel_neon_end();
+ scoped_ksimd()
+ sha3_ce_transform(sctx->st, block, 1, ds);
memzero_explicit(block , sizeof(block));
for (i = 0; i < ds / 8; i++)
--
2.51.0.618.g983fd99d29-goog
Powered by blists - more mailing lists