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[5.186.114.252]) by smtp.gmail.com with ESMTPSA id x16sm1584012lff.26.2018.11.09.15.11.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 09 Nov 2018 15:11:26 -0800 (PST) From: Rasmus Villemoes To: Andrew Morton , Jason Baron Cc: linux-kernel@vger.kernel.org, Rasmus Villemoes , x86@kernel.org, Ingo Molnar Subject: [PATCH v3 22/23] x86: jump_label: introduce asm macros STATIC_KEY_INIT{,_TRUE,_FALSE} Date: Sat, 10 Nov 2018 00:10:20 +0100 Message-Id: <20181109231021.11658-23-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.19.1.6.gbde171bbf5 In-Reply-To: <20181109231021.11658-1-linux@rasmusvillemoes.dk> References: <20181009112013.14238-1-linux@rasmusvillemoes.dk> <20181109231021.11658-1-linux@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These will be useful when defining the contents of (a struct containing) a static key in assembly. Cc: x86@kernel.org Cc: Ingo Molnar Cc: Jason Baron Signed-off-by: Rasmus Villemoes --- arch/x86/include/asm/jump_label.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index a5fb34fe56a4..f8b5c77ec96d 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -12,6 +12,7 @@ #include #include +#include #ifndef __ASSEMBLY__ @@ -64,6 +65,22 @@ static __always_inline bool arch_static_branch_jump(struct static_key *key, bool .popsection .endm +.macro STATIC_KEY_INIT enabled:req type:req + .long \enabled # .enabled +#ifdef CONFIG_X86_64 + .long 0 # +#endif + _ASM_PTR \type # .type +.endm + +.macro STATIC_KEY_INIT_TRUE + STATIC_KEY_INIT 1 JUMP_TYPE_TRUE +.endm + +.macro STATIC_KEY_INIT_FALSE + STATIC_KEY_INIT 0 JUMP_TYPE_FALSE +.endm + #endif /* __ASSEMBLY__ */ #endif -- 2.19.1.6.gbde171bbf5