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([193.77.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a568a7e51esm10258097f8f.40.2025.06.16.01.21.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Jun 2025 01:21:22 -0700 (PDT) From: Uros Bizjak To: x86@kernel.org, linux-kernel@vger.kernel.org Cc: Uros Bizjak , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH] x86/percpu: Use BIT_WORD() and BIT_MASK() macros Date: Mon, 16 Jun 2025 10:21:03 +0200 Message-ID: <20250616082119.157062-1-ubizjak@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use BIT_WORD() and BIT_MASK() macros from instead of open-coding them. No functional change intended. Signed-off-by: Uros Bizjak Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" --- arch/x86/include/asm/percpu.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index b0d03b6c279b..69243cb6dc9c 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -23,6 +23,7 @@ #else /* !__ASSEMBLY__: */ =20 #include +#include #include #include #include @@ -575,9 +576,9 @@ do { \ #define x86_this_cpu_constant_test_bit(_nr, _var) \ ({ \ unsigned long __percpu *addr__ =3D \ - (unsigned long __percpu *)&(_var) + ((_nr) / BITS_PER_LONG); \ + (unsigned long __percpu *)&(_var) + BIT_WORD(_nr); \ \ - !!((1UL << ((_nr) % BITS_PER_LONG)) & raw_cpu_read(*addr__)); \ + !!(BIT_MASK(_nr) & raw_cpu_read(*addr__)); \ }) =20 #define x86_this_cpu_variable_test_bit(_nr, _var) \ --=20 2.49.0