From: tip-bot for Grzegorz Andrejczuk <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de,
grzegorz.andrejczuk@intel.com, linux-kernel@vger.kernel.org
Subject: [tip:x86/cpufeature] x86/cpufeature: Add RING3MWAIT to CPU features
Date: Sat, 4 Feb 2017 08:31:54 -0800 [thread overview]
Message-ID: <tip-1d12d0ef0194ccc4dcebed3d96bb2301b26fc3ee@git.kernel.org> (raw)
In-Reply-To: <1484918557-15481-4-git-send-email-grzegorz.andrejczuk@intel.com>
Commit-ID: 1d12d0ef0194ccc4dcebed3d96bb2301b26fc3ee
Gitweb: http://git.kernel.org/tip/1d12d0ef0194ccc4dcebed3d96bb2301b26fc3ee
Author: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
AuthorDate: Fri, 20 Jan 2017 14:22:35 +0100
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Sat, 4 Feb 2017 08:51:09 +0100
x86/cpufeature: Add RING3MWAIT to CPU features
Add software-defined CPUID bit for the non-architectural ring 3
MONITOR/MWAIT feature.
Signed-off-by: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
Cc: Piotr.Luc@intel.com
Cc: dave.hansen@linux.intel.com
Link: http://lkml.kernel.org/r/1484918557-15481-4-git-send-email-grzegorz.andrejczuk@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/cpufeatures.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index d9d7136..56e5184 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -100,7 +100,7 @@
#define X86_FEATURE_XTOPOLOGY ( 3*32+22) /* cpu topology enum extensions */
#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */
#define X86_FEATURE_NONSTOP_TSC ( 3*32+24) /* TSC does not stop in C states */
-/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */
+#define X86_FEATURE_RING3MWAIT ( 3*32+25) /* ring 3 MONITOR/MWAIT */
#define X86_FEATURE_EXTD_APICID ( 3*32+26) /* has extended APICID (8 bits) */
#define X86_FEATURE_AMD_DCM ( 3*32+27) /* multi-node processor */
#define X86_FEATURE_APERFMPERF ( 3*32+28) /* APERFMPERF */
next prev parent reply other threads:[~2017-02-04 16:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 13:22 [PATCH v12 0/5] Enabling Ring 3 MONITOR/MWAIT feature for Knights Landing Grzegorz Andrejczuk
2017-01-20 13:22 ` [PATCH v12 1/5] x86/msr: add MSR_MISC_FEATURE_ENABLES and RING3MWAIT bit Grzegorz Andrejczuk
2017-02-04 16:30 ` [tip:x86/cpufeature] x86/msr: Add " tip-bot for Grzegorz Andrejczuk
2017-01-20 13:22 ` [PATCH v12 2/5] x86/elf: add HWCAP2 to expose ring 3 MONITOR/MWAIT Grzegorz Andrejczuk
2017-02-04 16:31 ` [tip:x86/cpufeature] x86/elf: Add " tip-bot for Grzegorz Andrejczuk
2017-01-20 13:22 ` [PATCH v12 3/5] x86/cpufeature: add RING3MWAIT to CPU features Grzegorz Andrejczuk
2017-02-04 16:31 ` tip-bot for Grzegorz Andrejczuk [this message]
2017-01-20 13:22 ` [PATCH v12 4/5] x86/cpufeature: enable RING3MWAIT for Knights Landing Grzegorz Andrejczuk
2017-02-04 16:32 ` [tip:x86/cpufeature] x86/cpufeature: Enable " tip-bot for Grzegorz Andrejczuk
2017-01-20 13:22 ` [PATCH v12 5/5] x86/cpufeature: enable RING3MWAIT for Knights Mill Grzegorz Andrejczuk
2017-02-04 16:32 ` [tip:x86/cpufeature] x86/cpufeature: Enable " tip-bot for Piotr Luc
2017-02-04 21:47 ` Luc, Piotr
2017-02-04 23:24 ` tip-bot for Piotr Luc
2017-02-02 17:23 ` [PATCH v12 0/5] Enabling Ring 3 MONITOR/MWAIT feature for Knights Landing Andrejczuk, Grzegorz
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