Re: [PATCH 0/4] x86/mce: protect nr_cpus from rebooting by broadcast mce

From: Thomas Gleixner
Date: Thu Aug 08 2019 - 02:52:07 EST


On Thu, 8 Aug 2019, Pingfan Liu wrote:
> On Wed, Aug 7, 2019 at 9:07 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> >
> [...]
> > > > >
> > > > > *** Back ground ***
> > > > >
> > > > > On x86 it's required to have all logical CPUs set CR4.MCE=1. Otherwise, a
> > > > > broadcast MCE observing CR4.MCE=0b on any core will shutdown the machine.
> >
> > Pingfan, please trim your replies and remove the useless gunk after your answer.
> OK. I will.
>
> Thanks,
> Pingfan
> >
> > Thanks,
> >
> > tglx
>

First attempt to do so failed :)