| Message ID | 20230629101918.9800-4-pbonzini@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | [PULL,1/5] icount: don't adjust virtual time backwards after warp | expand |
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index b96a609d966..328779874f2 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1069,6 +1069,13 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = { .msr = { .index = MSR_IA32_ARCH_CAPABILITIES, }, + /* + * FEAT_ARCH_CAPABILITIES only affects a read-only MSR, which + * cannot be read from user mode. Therefore, it has no impact + > on any user-mode operation, and warnings about unsupported + * features do not matter. + */ + .tcg_features = ~0U, }, [FEAT_CORE_CAPABILITY] = { .type = MSR_FEATURE_WORD,
ARCH_CAPABILITIES is only accessible through a read-only MSR, so it has no impact on any user-mode operation (user-mode cannot read the MSR). So do not bother printing warnings about it in user mode emulation. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- target/i386/cpu.c | 7 +++++++ 1 file changed, 7 insertions(+)