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From: Ard Biesheuvel <ardb+git@google.com>
To: linux-arm-kernel@lists.infradead.org
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
	 herbert@gondor.apana.org.au, linux@armlinux.org.uk,
	 Ard Biesheuvel <ardb@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Will Deacon <will@kernel.org>,
	 Mark Rutland <mark.rutland@arm.com>,
	Kees Cook <keescook@chromium.org>,
	 Catalin Marinas <catalin.marinas@arm.com>,
	Mark Brown <broonie@kernel.org>,
	 Eric Biggers <ebiggers@kernel.org>
Subject: [PATCH v2 15/20] crypto/arm64: polyval - Switch to 'ksimd' scoped guard API
Date: Wed,  1 Oct 2025 23:02:17 +0200	[thread overview]
Message-ID: <20251001210201.838686-37-ardb+git@google.com> (raw)
In-Reply-To: <20251001210201.838686-22-ardb+git@google.com>

From: Ard Biesheuvel <ardb@kernel.org>

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 arch/arm64/crypto/polyval-ce-glue.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/crypto/polyval-ce-glue.c b/arch/arm64/crypto/polyval-ce-glue.c
index c4e653688ea0..51eefbe97885 100644
--- a/arch/arm64/crypto/polyval-ce-glue.c
+++ b/arch/arm64/crypto/polyval-ce-glue.c
@@ -15,7 +15,7 @@
  * ARMv8 Crypto Extensions instructions to implement the finite field operations.
  */
 
-#include <asm/neon.h>
+#include <asm/simd.h>
 #include <crypto/internal/hash.h>
 #include <crypto/polyval.h>
 #include <crypto/utils.h>
@@ -45,16 +45,14 @@ asmlinkage void pmull_polyval_mul(u8 *op1, const u8 *op2);
 static void internal_polyval_update(const struct polyval_tfm_ctx *keys,
 	const u8 *in, size_t nblocks, u8 *accumulator)
 {
-	kernel_neon_begin();
-	pmull_polyval_update(keys, in, nblocks, accumulator);
-	kernel_neon_end();
+	scoped_ksimd()
+		pmull_polyval_update(keys, in, nblocks, accumulator);
 }
 
 static void internal_polyval_mul(u8 *op1, const u8 *op2)
 {
-	kernel_neon_begin();
-	pmull_polyval_mul(op1, op2);
-	kernel_neon_end();
+	scoped_ksimd()
+		pmull_polyval_mul(op1, op2);
 }
 
 static int polyval_arm64_setkey(struct crypto_shash *tfm,
-- 
2.51.0.618.g983fd99d29-goog



  parent reply	other threads:[~2025-10-01 21:04 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-01 21:02 [PATCH v2 00/20] arm64: Move kernel mode FPSIMD buffer to the stack Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 01/20] arm64: Revert support for generic kernel mode FPU Ard Biesheuvel
2025-10-02 16:23   ` Mark Brown
2025-10-08 12:44     ` Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 02/20] arm64/simd: Add scoped guard API for kernel mode SIMD Ard Biesheuvel
2025-10-02 16:17   ` Kees Cook
2025-10-14 14:34   ` Mark Brown
2025-10-01 21:02 ` [PATCH v2 03/20] ARM/simd: " Ard Biesheuvel
2025-10-02 16:18   ` Kees Cook
2025-10-01 21:02 ` [PATCH v2 04/20] crypto: aegis128-neon - Move to more abstract 'ksimd' guard API Ard Biesheuvel
2025-10-02 16:20   ` Kees Cook
2025-10-02 16:48     ` Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 05/20] raid6: " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 06/20] crypto/arm64: aes-ce-ccm - Avoid pointless yield of the NEON unit Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 07/20] crypto/arm64: sm4-ce-ccm " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 08/20] crypto/arm64: sm4-ce-gcm " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 09/20] lib/crc: Switch ARM and arm64 to 'ksimd' scoped guard API Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 10/20] lib/crypto: " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 11/20] crypto/arm64: aes-ccm - Switch " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 12/20] crypto/arm64: aes-blk " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 13/20] crypto/arm64: aes-gcm " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 14/20] crypto/arm64: nhpoly1305 " Ard Biesheuvel
2025-10-01 21:02 ` Ard Biesheuvel [this message]
2025-10-01 21:02 ` [PATCH v2 16/20] crypto/arm64: sha3 " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 17/20] crypto/arm64: sm3 " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 18/20] crypto/arm64: sm4 " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 19/20] arm64/xorblocks: " Ard Biesheuvel
2025-10-01 21:02 ` [PATCH v2 20/20] arm64/fpsimd: Allocate kernel mode FP/SIMD buffers on the stack Ard Biesheuvel
2025-10-02 16:22   ` Kees Cook
2025-10-02 16:51     ` Ard Biesheuvel
2025-10-03 20:18   ` Eric Biggers
2025-10-05 14:54     ` Ard Biesheuvel
2025-10-03 20:28 ` [PATCH v2 00/20] arm64: Move kernel mode FPSIMD buffer to " Eric Biggers

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