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Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm guest

From Wanpeng Li <kernellwp@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm guest
Date 2016-06-23 09:40 +0200
Message-ID <rN7p0-6Je-21@gated-at.bofh.it> (permalink)
References <rMF9n-57L-11@gated-at.bofh.it> <rN75E-6BB-13@gated-at.bofh.it> <rN7fj-6FF-1@gated-at.bofh.it>
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Hi Jacob,
2016-06-23 15:28 GMT+08:00 Wanpeng Li <kernellwp@gmail.com>:
> 2016-06-23 15:09 GMT+08:00 Thomas Gleixner <tglx@linutronix.de>:
>> On Wed, 22 Jun 2016, Wanpeng Li wrote:
>>> After commit (fc141535ad8 : "x86 tsc_msr: Extend to include Intel Core
>>
>> Where did you find that commit? It's neither in Linus tree nor in tip.
>
> It is reported by lkp. https://lkml.org/lkml/2016/6/20/110 The patch
> is against x86 branch on Len Brown's tree. And try to fix this commit:
> https://git.kernel.org/cgit/linux/kernel/git/lenb/linux.git/commit/?h=x86&id=fc141535ad8a67fd58623289c04e35465e2a07f2

I prefer this patch can be applied separately instead of fold into the
bad commit since it shows the issue when access MSR_PLATFORM_INFO in
kvm guest and other guys who want to access MSR_PLATFORM_INFO later
can find the changelog and make better decisions.

Regards,
Wanpeng Li

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[PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm guest Wanpeng Li <kernellwp@gmail.com> - 2016-06-22 03:30 +0200
  Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm  guest Paolo Bonzini <pbonzini@redhat.com> - 2016-06-22 19:50 +0200
  Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm  guest Thomas Gleixner <tglx@linutronix.de> - 2016-06-23 09:20 +0200
    Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm guest Wanpeng Li <kernellwp@gmail.com> - 2016-06-23 09:30 +0200
      Re: [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in kvm guest Wanpeng Li <kernellwp@gmail.com> - 2016-06-23 09:40 +0200
    Re: [LKP] [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in  kvm guest Yu Chen <yu.chen.surf@gmail.com> - 2016-06-23 09:40 +0200
      Re: [LKP] [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in  kvm guest Wanpeng Li <kernellwp@gmail.com> - 2016-06-23 09:50 +0200
        Re: [LKP] [PATCH] x86: fix rdmsr MSR_PLATFORM_INFO unsafe warning in  kvm guest Wanpeng Li <kernellwp@gmail.com> - 2016-06-23 10:10 +0200

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