Re: [Xen-devel] [PATCH 2/2] x86: fix asm() constraint for GS selector update

2017-10-26 Thread Andrew Cooper
On 26/10/17 08:57, Jan Beulich wrote: > Exception fixup code may alter the operand, which ought to be reflected > in the constraint. > > Signed-off-by: Jan Beulich Reviewed-by: Andrew Cooper Hopefully this won't have caused us any real problems in

[Xen-devel] [PATCH 2/2] x86: fix asm() constraint for GS selector update

2017-10-26 Thread Jan Beulich
Exception fixup code may alter the operand, which ought to be reflected in the constraint. Signed-off-by: Jan Beulich --- a/xen/arch/x86/x86_64/mm.c +++ b/xen/arch/x86/x86_64/mm.c @@ -1062,7 +1062,7 @@ long do_set_segment_base(unsigned int wh " jmp 1b