| Message ID | 20240620130254.415699-3-pbonzini@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | host/i386: allow configuring the x86-64 baseline | expand |
diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 6d474a6259a..ca74ef04f54 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -38,8 +38,8 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0); info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0); - /* NOTE: our AES support requires SSSE3 (PSHUFB) as well. */ - info |= (c & bit_AES) ? CPUINFO_AES : 0; + /* Our AES support requires PSHUFB as well. */ + info |= ((c & bit_AES) && (c & bit_SSSE3) ? CPUINFO_AES : 0); /* For AVX features, we must check available and usable. */ if ((c & bit_AVX) && (c & bit_OSXSAVE)) {
This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468. The x86-64 instruction set can now be tuned down to x86-64 v1 or i386 Pentium Pro. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- util/cpuinfo-i386.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)