Re: [PATCH] x86/hpet: Read HPET directly if panic in progress

[Tony W Wang-oc]

On 2024/5/29 15:45, Thomas Gleixner wrote:
> [这封邮件来自外部发件人 谨防风险]
>
> On Wed, May 29 2024 at 14:44, Tony W Wang-oc wrote:
> > Actually, this scenario is what this patch is trying to solve.
> >
> > We encountered hpet_lock deadlock from the call path of the MCE handler,
> > and this hpet_lock deadlock scenario may happen when others exceptions'
> > handler like #PF/#GP... to call the panic. So read_hpet should avoid
> > deadlock if panic in progress.
>
> That's not what your changelog says.

Yes.
The example flow I gave with the MCE handler in my changelog is misleading.