linux-kernel - [tip:x86/idle] x86/cpufeature: Provide helper to set bugs bits

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Date:   Fri, 9 Dec 2016 12:30:56 -0800
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, jolsa@...hat.com, hpa@...or.com,
        mingo@...nel.org, bp@...e.de, tglx@...utronix.de
Subject: [tip:x86/idle] x86/cpufeature: Provide helper to set bugs bits

Commit-ID:  a588b9836447ac683a8f63949ad55265813826f5
Gitweb:     http://git.kernel.org/tip/a588b9836447ac683a8f63949ad55265813826f5
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Fri, 9 Dec 2016 19:29:08 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 9 Dec 2016 21:23:20 +0100

x86/cpufeature: Provide helper to set bugs bits

Will be used in a later patch to set bug bits for bugs which need late
detection.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/r/20161209182912.2726-2-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/include/asm/cpufeature.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 1d2b69f..d59c15c 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -204,6 +204,7 @@ static __always_inline __pure bool _static_cpu_has(u16 bit)
 
 #define static_cpu_has_bug(bit)		static_cpu_has((bit))
 #define boot_cpu_has_bug(bit)		cpu_has_bug(&boot_cpu_data, (bit))
+#define boot_cpu_set_bug(bit)		set_cpu_cap(&boot_cpu_data, (bit))
 
 #define MAX_CPU_FEATURES		(NCAPINTS * 32)
 #define cpu_have_feature		boot_cpu_has