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From: Pingfan Liu <kernelfans@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Young <dyoung@redhat.com>, Andy Lutomirski <luto@kernel.org>,
	x86@kernel.org, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Masami Hiramatsu <mhiramat@kernel.org>, Qian Cai <cai@lca.pw>,
	Vlastimil Babka <vbabka@suse.cz>,
	Daniel Drake <drake@endlessm.com>,
	Jacob Pan <jacob.jun.pan@linux.intel.com>,
	Michal Hocko <mhocko@suse.com>,
	Eric Biederman <ebiederm@xmission.com>,
	LKML <linux-kernel@vger.kernel.org>, Baoquan He <bhe@redhat.com>,
	kexec@lists.infradead.org, Tony Luck <tony.luck@intel.com>,
	Xunlei Pang <xlpang@linux.alibaba.com>
Subject: Re: [PATCH 0/4] x86/mce: protect nr_cpus from rebooting by broadcast mce
Date: Thu, 8 Aug 2019 13:41:57 +0800	[thread overview]
Message-ID: <CAFgQCTs7XN3xBPt64jPNb4wCGAZRmYSjhPM=tgcLriVCEx+uDA@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1908071504310.24014@nanos.tec.linutronix.de>

On Wed, Aug 7, 2019 at 9:07 PM Thomas Gleixner <tglx@linutronix.de> 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

  reply	other threads:[~2019-08-08  5:42 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-05  8:58 [PATCH 0/4] x86/mce: protect nr_cpus from rebooting by broadcast mce Pingfan Liu
2019-08-05  8:58 ` [PATCH 1/4] x86/apic: correct the ENO in generic_processor_info() Pingfan Liu
2019-08-05  8:58 ` [PATCH 2/4] x86/apic: record capped cpu " Pingfan Liu
2019-08-08  0:17   ` kbuild test robot
2019-08-08  0:17   ` [RFC PATCH] x86/apic: __cpu_capped_mask can be static kbuild test robot
2019-08-05  8:58 ` [PATCH 3/4] x86/smp: send capped cpus to a stable state when smp_init() Pingfan Liu
2019-08-08  1:20   ` kbuild test robot
2019-08-08  1:20   ` [RFC PATCH] x86/smp: __cpu_capped_done_mask can be static kbuild test robot
2019-08-08  2:36   ` [PATCH 3/4] x86/smp: send capped cpus to a stable state when smp_init() kbuild test robot
2019-08-08  5:18   ` kbuild test robot
2019-08-05  8:58 ` [PATCH 4/4] x86/smp: disallow MCE handler on rebooting AP Pingfan Liu
2019-08-07  3:00 ` [PATCH 0/4] x86/mce: protect nr_cpus from rebooting by broadcast mce Dave Young
2019-08-07  7:52   ` Pingfan Liu
2019-08-07 13:07     ` Thomas Gleixner
2019-08-08  5:41       ` Pingfan Liu [this message]
2019-08-08  6:51         ` Thomas Gleixner

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