Re: kvm/x86: perf: Softlockup issue

[Breno Leitao]

Hello Jim,

On Tue, Oct 03, 2023 at 07:36:48AM -0700, Jim Mattson wrote:
> On Tue, Oct 3, 2023 at 6:52 AM Breno Leitao <leitao@xxxxxxxxxx> wrote:
> >
> > I've been pursuing a bug in a virtual machine (KVM) that I would like to share
> > in here. The VM gets stuck when running perf in a VM and getting soft lockups.
> >
> > The bug happens upstream (Linux 6.6-rc4 - 8a749fd1a8720d461). The same kernel
> > is being used in the host and in the guest.
> 
> Have you tried https://lore.kernel.org/kvm/169567819674.170423.4384853980629356216.b4-ty@xxxxxxxxxx/?

Thanks for the heads-up. These two patches indeed fix the problem.
Thanks for getting the problem fixed.

Tested-by: Breno Leitao <leitao@xxxxxxxxxx>

Breno