14bde8cd76
LFENCE and SFENCE were introduced with the original SSE instruction set; marking them incorrectly as cpuid(SSE2) causes failures for CPU models that lack SSE2, for example pentium3. Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>