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i386: Add "stibp" flag name

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The STIBP flag may be supported by the host KVM module, so QEMU
can allow it to be configured manually, and it can be exposed to
guests when using "-cpu host".

No additional migration code is required because the whole
contents of spec_ctrl is already migrated in the "cpu/spec_ctrl"
section.

Corresponding KVM patch was submitted at:
https://lore.kernel.org/lkml/20181205191956.31480-1-ehabkost@redhat.com/

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181210180250.31299-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2018-12-10 16:02:50 -02:00
parent 9115bb1213
commit 0e89165829
1 changed files with 1 additions and 1 deletions
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target/i386/cpu.c
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@ -1042,7 +1042,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, "pconfig", NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "spec-ctrl", NULL,
NULL, NULL, "spec-ctrl", "stibp",
NULL, "arch-capabilities", NULL, "ssbd",
},
.cpuid = {