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authorDaniel P. Berrangé <berrange@redhat.com>2018-05-21 22:54:22 +0100
committerEduardo Habkost <ehabkost@redhat.com>2018-05-21 18:59:01 -0300
commitd19d1f965904a533998739698020ff4ee8a103da (patch)
treefa2bc1ae62248b71fd6a270475a84982cc5f0a10 /target/i386/cpu.c
parent9802316ed6c19fd45b4c498523df02ca370d0586 (diff)
downloadqemu-d19d1f965904a533998739698020ff4ee8a103da.zip
i386: define the 'ssbd' CPUID feature bit (CVE-2018-3639)
New microcode introduces the "Speculative Store Bypass Disable" CPUID feature bit. This needs to be exposed to guest OS to allow them to protect against CVE-2018-3639. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Message-Id: <20180521215424.13520-2-berrange@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target/i386/cpu.c')
-rw-r--r--target/i386/cpu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index e5e66a75d4..a1185b17d1 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -805,7 +805,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "spec-ctrl", NULL,
- NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, "ssbd",
},
.cpuid_eax = 7,
.cpuid_needs_ecx = true, .cpuid_ecx = 0,