[PATCH for-4.21] x86emul: drop open-coding of REX.W prefixes

2025-01-21 Thread Jan Beulich
Along the lines of 0e3642514719 ("x86: drop REX64_PREFIX"), move to well formed FXSAVEQ / FXRSTORQ here as well. Signed-off-by: Jan Beulich --- a/xen/arch/x86/x86_emulate/blk.c +++ b/xen/arch/x86/x86_emulate/blk.c @@ -259,16 +259,7 @@ int x86_emul_blk( if ( s->op_bytes < sizeof(*fxsr) )

Re: [PATCH for-4.21] x86emul: drop open-coding of REX.W prefixes

2025-01-21 Thread Andrew Cooper
On 21/01/2025 4:44 pm, Jan Beulich wrote: > Along the lines of 0e3642514719 ("x86: drop REX64_PREFIX"), move to well > formed FXSAVEQ / FXRSTORQ here as well. > > Signed-off-by: Jan Beulich Acked-by: Andrew Cooper