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Wed, 01 Oct 2025 14:04:08 -0700 (PDT) Date: Wed, 1 Oct 2025 23:02:17 +0200 In-Reply-To: <20251001210201.838686-22-ardb+git@google.com> Mime-Version: 1.0 References: <20251001210201.838686-22-ardb+git@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=1318; i=ardb@kernel.org; h=from:subject; bh=BbTS+F2Hc8gpl9Sr4HMF4TFtbcI93GDZQRNcqkbkuTA=; b=owGbwMvMwCVmkMcZplerG8N4Wi2JIePudC6Lped/zOCRfMt7unjXmYQ+kcVzAvhS/eemiCUfz t6g+T+so5SFQYyLQVZMkUVg9t93O09PlKp1niULM4eVCWQIAxenAExk4SGG//GN1sFvpTfVrWH9 f3uiyOZP6mo2vN0rTN9+FCjYZLt+6SRGhtdlH6cWzU+SZXQ/xhwiOKOJ4/bkx6xftlrdcBX3Pf5 7KwsA X-Mailer: git-send-email 2.51.0.618.g983fd99d29-goog Message-ID: <20251001210201.838686-37-ardb+git@google.com> Subject: [PATCH v2 15/20] crypto/arm64: polyval - Switch to 'ksimd' scoped guard API From: Ard Biesheuvel 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 , Marc Zyngier , Will Deacon , Mark Rutland , Kees Cook , Catalin Marinas , Mark Brown , Eric Biggers Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251001_140411_317935_10FD771F X-CRM114-Status: GOOD ( 11.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Ard Biesheuvel Signed-off-by: Ard Biesheuvel --- 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 +#include #include #include #include @@ -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