Re: [PATCH] KVM: x86/xen: Fix sleeping lock in hard IRQ context on PREEMPT_RT

Sebastian Andrzej Siewior
2026-04-02T06:42:12Z

On 2026-04-01 08:40:07 [-0700], Sean Christopherson wrote:
> Re-reading through the thread where you proposed using trylock, and through
> commit bbe17c625d68 ("KVM: x86/xen: Fix potential deadlock in kvm_xen_update_runstate_guest()"),
> I think I agree with using trylock for "fast" paths.

Has bbe17c625d68 been applied for PREEMPT_RT reasons?

Sebastian