[Xen-changelog] [qemu-xen master] i386: Add spec-ctrl CPUID bit

[patchbot@xxxxxxx]

commit 803d42fa65a371f7bb13180a5953299dc3a160e0
Author:     Eduardo Habkost <ehabkost@xxxxxxxxxx>
AuthorDate: Tue Jan 9 13:45:15 2018 -0200
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue Jan 23 17:08:04 2018 -0600

    i386: Add spec-ctrl CPUID bit
    
    Add the feature name and a CPUID_7_0_EDX_SPEC_CTRL macro.
    
    Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
    Message-Id: <20180109154519.25634-4-ehabkost@xxxxxxxxxx>
    Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
    (cherry picked from commit a2381f0934432ef2cd47a335348ba8839632164c)
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 target/i386/cpu.c | 2 +-
 target/i386/cpu.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 6327952..dddd622 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -458,7 +458,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, "spec-ctrl", NULL,
             NULL, NULL, NULL, NULL,
         },
         .cpuid_eax = 7,
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 03de74a..8bf9879 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -642,6 +642,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
 
 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network 
Instructions */
 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation 
Single Precision */
+#define CPUID_7_0_EDX_SPEC_CTRL     (1U << 26) /* Speculation Control */
 
 #define CPUID_XSAVE_XSAVEOPT   (1U << 0)
 #define CPUID_XSAVE_XSAVEC     (1U << 1)
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master

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