>>> On 15.02.17 at 12:27, wrote:
> On 15/02/17 11:06, Jan Beulich wrote:
>> --- a/xen/arch/x86/x86_emulate/x86_emulate.c
>> +++ b/xen/arch/x86/x86_emulate/x86_emulate.c
>> @@ -604,14 +604,42 @@ do{ asm volatile (
>> #define __emulate_1op_8byte(_op, _dst, _eflags)
>> #endif /* __i386__ */
>>
>>
On 15/02/17 11:06, Jan Beulich wrote:
> --- a/xen/arch/x86/x86_emulate/x86_emulate.c
> +++ b/xen/arch/x86/x86_emulate/x86_emulate.c
> @@ -604,14 +604,42 @@ do{ asm volatile (
> #define __emulate_1op_8byte(_op, _dst, _eflags)
> #endif /* __i386__ */
>
> +#ifdef __XEN__
> +# define invoke_stub(pr
Before adding more use of stubs cloned from decoded guest insns, guard
ourselves against mistakes there: Should an exception (with the
noteworthy exception of #PF) occur inside the stub, forward it to the
guest.
Since the exception fixup table entry can't encode the address of the
faulting insn it
