linux-kernel - [PATCH 1/5] x86/cpufeature: Provide helper to set bugs bits

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Message-Id: <20161209182912.2726-2-bp@alien8.de>
Date:   Fri,  9 Dec 2016 19:29:08 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...hat.com>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/5] x86/cpufeature: Provide helper to set bugs bits

From: Borislav Petkov <bp@...e.de>

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>
---
 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 1d2b69fc0ceb..d59c15c3defd 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
-- 
2.11.0