David Gibson writes:
Hi, thanks for the review! My comments below:
> On Wed, Dec 11, 2019 at 04:10:13PM -0300, Fabiano Rosas wrote:
>> The hardware singlestep mechanism in POWER works via a Trace Interrupt
>> (0xd00) that happens after any instruction executes, whenever MSR_SE =
>> 1 (PowerISA S
On Wed, Dec 11, 2019 at 04:10:13PM -0300, Fabiano Rosas wrote:
> The hardware singlestep mechanism in POWER works via a Trace Interrupt
> (0xd00) that happens after any instruction executes, whenever MSR_SE =
> 1 (PowerISA Section 6.5.15 - Trace Interrupt).
>
> However, with kvm_hv, the Trace Inte
The hardware singlestep mechanism in POWER works via a Trace Interrupt
(0xd00) that happens after any instruction executes, whenever MSR_SE =
1 (PowerISA Section 6.5.15 - Trace Interrupt).
However, with kvm_hv, the Trace Interrupt happens inside the guest and
KVM has no visibility of it. Therefore