On 26/06/18 10:57, Jan Beulich wrote:
>
>>> +_p(regs->rip), _p(regs->rip), _p(fixup));
>>> +/*
>>> + * We mustn't come here, but for release builds have the recovery
>> "We shouldn't be able to reach here..."
> Well, okay - I did consider this weaker wording, but had
>>> On 26.06.18 at 11:41, wrote:
> On 26/06/18 07:36, Jan Beulich wrote:
>> --- a/xen/arch/x86/traps.c
>> +++ b/xen/arch/x86/traps.c
>> @@ -1749,7 +1749,21 @@ void do_device_not_available(struct cpu_
>> {
>> struct vcpu *curr = current;
>>
>> -BUG_ON(!guest_mode(regs));
>> +if ( !g
On 26/06/18 07:36, Jan Beulich wrote:
> Just in case we still don't get CR0.TS handling right, prevent a host
> crash by honoring exception fixups in do_device_not_available(). This
> would in particular cover emulator stubs raising #NM.
>
> Signed-off-by: Jan Beulich
> ---
> v2: Add ASSERT_UNREAC
Just in case we still don't get CR0.TS handling right, prevent a host
crash by honoring exception fixups in do_device_not_available(). This
would in particular cover emulator stubs raising #NM.
Signed-off-by: Jan Beulich
---
v2: Add ASSERT_UNREACHABLE().
--- a/xen/arch/x86/traps.c
+++ b/xen/arch
