On Fri, Dec 1, 2017 at 8:57 AM, Boris Ostrovsky
wrote:
> On 12/01/2017 11:22 AM, Andy Lutomirski wrote:
>> On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
>> wrote:
>>> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
>>>
On Fri, Dec 1, 2017 at 8:57 AM, Boris Ostrovsky
wrote:
> On 12/01/2017 11:22 AM, Andy Lutomirski wrote:
>> On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
>> wrote:
>>> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
>>> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro
On 12/01/2017 11:22 AM, Andy Lutomirski wrote:
> On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
> wrote:
>> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
>> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
>> eflags using
On 12/01/2017 11:22 AM, Andy Lutomirski wrote:
> On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
> wrote:
>> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
>> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
>> eflags using 'pushfq' instruction when testing
On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
wrote:
> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
> eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
>
On Tue, Nov 28, 2017 at 7:28 AM, Boris Ostrovsky
wrote:
> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
> eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
> guests looking at IF flag
On 28/11/17 16:28, Boris Ostrovsky wrote:
> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
> eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
> guests looking at IF flag directly will
On 28/11/17 16:28, Boris Ostrovsky wrote:
> Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
> them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
> eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
> guests looking at IF flag directly will
Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
guests looking at IF flag directly will always see it set, resulting
in 'ud2'.
Introduce
Commit 1d3e53e8624a ("x86/entry/64: Refactor IRQ stacks and make
them NMI-safe") added DEBUG_ENTRY_ASSERT_IRQS_OFF macro that acceses
eflags using 'pushfq' instruction when testing for IF bit. On PV Xen
guests looking at IF flag directly will always see it set, resulting
in 'ud2'.
Introduce
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