linux-kernel - [PATCH v2 14/20] crypto/arm64: nhpoly1305

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Message-ID: <20251001210201.838686-36-ardb+git@google.com>
Date: Wed,  1 Oct 2025 23:02:16 +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 14/20] crypto/arm64: nhpoly1305 - Switch to 'ksimd' scoped
 guard API

From: Ard Biesheuvel <ardb@...nel.org>

Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
---
 arch/arm64/crypto/nhpoly1305-neon-glue.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/crypto/nhpoly1305-neon-glue.c b/arch/arm64/crypto/nhpoly1305-neon-glue.c
index e4a0b463f080..013de6ac569a 100644
--- a/arch/arm64/crypto/nhpoly1305-neon-glue.c
+++ b/arch/arm64/crypto/nhpoly1305-neon-glue.c
@@ -25,9 +25,8 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
 	do {
 		unsigned int n = min_t(unsigned int, srclen, SZ_4K);
 
-		kernel_neon_begin();
-		crypto_nhpoly1305_update_helper(desc, src, n, nh_neon);
-		kernel_neon_end();
+		scoped_ksimd()
+			crypto_nhpoly1305_update_helper(desc, src, n, nh_neon);
 		src += n;
 		srclen -= n;
 	} while (srclen);
-- 
2.51.0.618.g983fd99d29-goog