From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Juergen Gross <jgross@suse.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: [PATCH RFC 1/4] x86: introduce cpu_has_invpcid
Date: Thu, 15 Feb 2018 12:10:37 +0000 [thread overview]
Message-ID: <20180215121040.20585-2-wei.liu2@citrix.com> (raw)
In-Reply-To: <20180215121040.20585-1-wei.liu2@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/include/asm-x86/cpufeature.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/include/asm-x86/cpufeature.h b/xen/include/asm-x86/cpufeature.h
index 55b696ed07..db8072279d 100644
--- a/xen/include/asm-x86/cpufeature.h
+++ b/xen/include/asm-x86/cpufeature.h
@@ -93,6 +93,7 @@
#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
#define cpu_has_smep boot_cpu_has(X86_FEATURE_SMEP)
#define cpu_has_bmi2 boot_cpu_has(X86_FEATURE_BMI2)
+#define cpu_has_invpcid boot_cpu_has(X86_FEATURE_INVPCID)
#define cpu_has_rtm boot_cpu_has(X86_FEATURE_RTM)
#define cpu_has_fpu_sel (!boot_cpu_has(X86_FEATURE_NO_FPU_SEL))
#define cpu_has_mpx boot_cpu_has(X86_FEATURE_MPX)
--
2.11.0
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next prev parent reply other threads:[~2018-02-15 12:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-15 12:10 [PATCH RFC 0/4] Use INVPCID to flush global mappings Wei Liu
2018-02-15 12:10 ` Wei Liu [this message]
2018-02-15 12:31 ` [PATCH RFC 1/4] x86: introduce cpu_has_invpcid Jan Beulich
2018-02-15 12:10 ` [PATCH RFC 2/4] x86: report if PCID and INVPCID are supported Wei Liu
2018-02-15 12:10 ` [PATCH RFC 3/4] x86: add invpcid.h Wei Liu
2018-02-15 12:15 ` Andrew Cooper
2018-02-15 12:24 ` Wei Liu
2018-02-15 12:26 ` Andrew Cooper
2018-02-15 12:34 ` Jan Beulich
2018-02-15 12:35 ` Wei Liu
2018-02-15 13:23 ` Jan Beulich
2018-02-15 12:10 ` [PATCH RFC 4/4] x86: use invpcid to do global flush Wei Liu
2018-02-15 15:38 ` [PATCH RFC 0/4] Use INVPCID to flush global mappings Juergen Gross
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