Hi Paolo, I've tried to apply the patch, and found that it passed most of the problematic tests I mentioned earlier (IPI related, kvmclock_test). However, it stopped still at "s3" and couldn't finish it. Do you know what might go wrong? Thanks, Shih-Wei On Thu, Jul 30, 2015 at 9:38 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > Keeping the selector that was loaded from the 32-bit GDT is okay, because > only code segment descriptors differ between 32- and 64-bit mode. In > fact the same is true for %ss as well, so let's just remove the whole > segment loading from load_tss. > > Thanks to Bandan Das for debugging. > > Reported-by: Shih-Wei Li <shihwei@xxxxxxxxxxxxxxx> > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > x86/cstart64.S | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/x86/cstart64.S b/x86/cstart64.S > index 8d5ee2d..e947888 100644 > --- a/x86/cstart64.S > +++ b/x86/cstart64.S > @@ -213,12 +213,6 @@ idt_descr: > > load_tss: > lidtq idt_descr > - mov $0x10, %eax > - mov %ax, %ds > - mov %ax, %es > - mov %ax, %fs > - mov %ax, %gs > - mov %ax, %ss > mov $(APIC_DEFAULT_PHYS_BASE + APIC_ID), %eax > mov (%rax), %eax > shr $24, %eax > -- > 1.8.3.1 > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html