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Date: Thu, 10 Nov 2022 18:42:04 +0800 From: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com> To: Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Ard Biesheuvel <ardb@...nel.org>, kernel test robot <lkp@...el.com>, linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com> Subject: [PATCH] crypto: arm64 - Fix unused variable compilation warnings of cpu_feature The cpu feature defined by MODULE_DEVICE_TABLE is only referenced when compiling as a module, and the warning of unused variable will be encountered when compiling with intree. The warning can be removed by adding the __maybe_unused flag. Fixes: 03c9a333fef1 ("crypto: arm64/ghash - add NEON accelerated fallback for 64-bit PMULL") Fixes: ae1b83c7d572 ("crypto: arm64/sm4 - add CE implementation for GCM mode") Reported-by: kernel test robot <lkp@...el.com> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com> --- arch/arm64/crypto/ghash-ce-glue.c | 2 +- arch/arm64/crypto/sm4-ce-gcm-glue.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c index 15794fe21a0b..e5e9adc1fcf4 100644 --- a/arch/arm64/crypto/ghash-ce-glue.c +++ b/arch/arm64/crypto/ghash-ce-glue.c @@ -508,7 +508,7 @@ static void __exit ghash_ce_mod_exit(void) crypto_unregister_shash(&ghash_alg); } -static const struct cpu_feature ghash_cpu_feature[] = { +static const struct cpu_feature __maybe_unused ghash_cpu_feature[] = { { cpu_feature(PMULL) }, { } }; MODULE_DEVICE_TABLE(cpu, ghash_cpu_feature); diff --git a/arch/arm64/crypto/sm4-ce-gcm-glue.c b/arch/arm64/crypto/sm4-ce-gcm-glue.c index e90ea0f17beb..c450a2025ca9 100644 --- a/arch/arm64/crypto/sm4-ce-gcm-glue.c +++ b/arch/arm64/crypto/sm4-ce-gcm-glue.c @@ -271,7 +271,7 @@ static void __exit sm4_ce_gcm_exit(void) crypto_unregister_aead(&sm4_gcm_alg); } -static const struct cpu_feature sm4_ce_gcm_cpu_feature[] = { +static const struct cpu_feature __maybe_unused sm4_ce_gcm_cpu_feature[] = { { cpu_feature(PMULL) }, {} }; -- 2.24.3 (Apple Git-128)
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