From: Thomas Gleixner <tglx@linutronix.de>
To: speck@linutronix.de
Subject: [patch V11 07/16] SSB 7
Date: Wed, 02 May 2018 23:51:09 +0200 [thread overview]
Message-ID: <20180502215416.637328986@linutronix.de> (raw)
In-Reply-To: 20180502215102.192655950@linutronix.de
Add the CPU feature bit CPUID.7.0.EDX[31] which indicates whether the CPU
supports Reduced Data Speculation.
[ tglx: Split it out from a later patch ]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/asm/cpufeatures.h | 1 +
1 file changed, 1 insertion(+)
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -334,6 +334,7 @@
#define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */
#define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */
#define X86_FEATURE_ARCH_CAPABILITIES (18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */
+#define X86_FEATURE_RDS (18*32+31) /* Reduced Data Speculation */
/*
* BUG word(s)
next prev parent reply other threads:[~2018-05-02 23:17 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 21:51 [patch V11 00/16] SSB 0 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 01/16] SSB 1 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 02/16] SSB 2 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 03/16] SSB 3 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 04/16] SSB 4 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 05/16] SSB 5 Thomas Gleixner
2018-05-10 17:52 ` [MODERATED] " Andi Kleen
2018-05-10 18:30 ` Konrad Rzeszutek Wilk
2018-05-10 19:08 ` Andi Kleen
2018-05-10 21:22 ` Konrad Rzeszutek Wilk
2018-05-10 22:25 ` Andi Kleen
2018-05-10 23:50 ` Konrad Rzeszutek Wilk
2018-05-11 16:11 ` Andi Kleen
2018-05-16 7:55 ` Paolo Bonzini
2018-05-16 13:52 ` Konrad Rzeszutek Wilk
2018-05-02 21:51 ` [patch V11 06/16] SSB 6 Thomas Gleixner
2018-05-02 21:51 ` Thomas Gleixner [this message]
2018-05-02 21:51 ` [patch V11 08/16] SSB 8 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 09/16] SSB 9 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 10/16] SSB 10 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 11/16] SSB 11 Thomas Gleixner
2018-05-04 20:58 ` [MODERATED] " Konrad Rzeszutek Wilk
2018-05-02 21:51 ` [patch V11 12/16] SSB 12 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 13/16] SSB 13 Thomas Gleixner
2018-05-02 21:51 ` [patch V11 14/16] SSB 14 Thomas Gleixner
2018-05-03 7:19 ` [MODERATED] " Konrad Rzeszutek Wilk
2018-05-03 7:31 ` Thomas Gleixner
2018-05-03 7:22 ` [MODERATED] " Konrad Rzeszutek Wilk
2018-05-02 21:51 ` [patch V11 15/16] SSB 15 Thomas Gleixner
2018-05-03 7:21 ` [MODERATED] " Konrad Rzeszutek Wilk
2018-05-02 21:51 ` [patch V11 16/16] SSB 16 Thomas Gleixner
2018-05-02 23:21 ` [patch V11 00/16] SSB 0 Thomas Gleixner
2018-05-03 4:27 ` [MODERATED] Encrypted Message Tim Chen
2018-05-03 6:10 ` [MODERATED] Re: [patch V11 00/16] SSB 0 Ingo Molnar
2018-05-03 6:30 ` Thomas Gleixner
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