On 2018-09-28 11:54:11 [-0300], Eduardo Habkost wrote: > On Fri, Sep 28, 2018 at 12:43:19PM +0200, Sebastian Andrzej Siewior wrote: > > Intel SDM says for CPUID function 0DH, sub-function 0: > > > > | • ECX enumerates the size (in bytes) required by the XSAVE instruction > > for an > > | XSAVE area containing all the user state components supported by this > > | processor. > > | • EBX enumerates the size (in bytes) required by the XSAVE instruction > > for an > > | XSAVE area containing all the user state components corresponding to > > bits > > | currently set in XCR0. > > > > Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de> > > --- > > target/i386/cpu.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/target/i386/cpu.c b/target/i386/cpu.c > > index f24295e6e4bb7..00c18444c0bac 100644 > > --- a/target/i386/cpu.c > > +++ b/target/i386/cpu.c > > @@ -4178,7 +4178,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, > > uint32_t count, > > *ecx = xsave_area_size(x86_cpu_xsave_components(cpu)); > > *eax = env->features[FEAT_XSAVE_COMP_LO]; > > *edx = env->features[FEAT_XSAVE_COMP_HI]; > > - *ebx = *ecx; > > + *ebx = xsave_area_size(env->xcr0); > > Reviewed-by: Eduardo Habkost <ehabk...@redhat.com>
ping Sebastian