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From: Thomas Gleixner <tglx@linutronix.de>
To: speck@linutronix.de
Subject: [patch V7 06/15] SBB 6
Date: Sun, 29 Apr 2018 21:30:51 +0200	[thread overview]
Message-ID: <20180429193937.966824036@linutronix.de> (raw)
In-Reply-To: 20180429193045.711908246@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>
---
 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
@@ -333,6 +333,7 @@
 #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)

  parent reply	other threads:[~2018-04-29 20:02 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-29 19:30 [patch V7 00/15] SBB 0 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 01/15] SBB 1 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 02/15] SBB 2 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 03/15] SBB 3 Thomas Gleixner
2018-04-29 23:31   ` [MODERATED] " Linus Torvalds
2018-04-30  2:50     ` Konrad Rzeszutek Wilk
2018-04-30  7:09     ` David Woodhouse
2018-04-29 19:30 ` [patch V7 04/15] SBB 4 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 05/15] SBB 5 Thomas Gleixner
2018-04-29 19:30 ` Thomas Gleixner [this message]
2018-04-29 19:30 ` [patch V7 07/15] SBB 7 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 08/15] SBB 8 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 09/15] SBB 9 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 10/15] SBB 10 Thomas Gleixner
2018-04-30  0:16   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-30  7:49     ` Thomas Gleixner
2018-04-29 19:30 ` [patch V7 11/15] SBB 11 Thomas Gleixner
2018-04-29 19:30 ` [patch V7 12/15] SBB 12 Thomas Gleixner
2018-04-30  1:33   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-29 19:30 ` [patch V7 13/15] SBB 13 Thomas Gleixner
2018-04-30  1:48   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-30  2:39     ` Konrad Rzeszutek Wilk
2018-04-30  3:17     ` Jon Masters
2018-04-30  8:35       ` Thomas Gleixner
2018-04-30  2:20   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-30  2:36   ` Konrad Rzeszutek Wilk
2018-04-30 17:28   ` Konrad Rzeszutek Wilk
2018-04-29 19:30 ` [patch V7 14/15] SBB 14 Thomas Gleixner
2018-04-30  2:14   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-30  5:57     ` Thomas Gleixner
2018-04-30 15:49       ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-29 19:31 ` [patch V7 15/15] SBB 15 Thomas Gleixner
2018-04-30  2:32   ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-30 15:56   ` Konrad Rzeszutek Wilk
2018-04-30 16:07     ` Thomas Gleixner
2018-04-30 19:30   ` [MODERATED] " Tim Chen
2018-04-30 19:36     ` Thomas Gleixner
2018-04-30 20:12       ` [MODERATED] " Tim Chen
2018-04-30 20:20         ` Konrad Rzeszutek Wilk
2018-04-30 20:44           ` Tim Chen
2018-04-30 20:28         ` Thomas Gleixner
2018-04-30 20:09     ` [MODERATED] " Konrad Rzeszutek Wilk
2018-04-29 20:14 ` [patch V7 00/15] SBB 0 Thomas Gleixner
2018-04-29 20:35 ` [MODERATED] " Borislav Petkov
2018-04-29 20:46   ` Konrad Rzeszutek Wilk
2018-04-29 20:57     ` Thomas Gleixner
2018-04-29 21:40     ` [MODERATED] " Borislav Petkov
2018-04-29 20:55   ` Thomas Gleixner
2018-04-29 22:05     ` Thomas Gleixner
2018-04-30  0:06       ` [MODERATED] " Jon Masters

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