Re: [PATCH V4] x86: call smp vmxoff in smp stop

From: Paolo Bonzini
Date: Wed Apr 19 2017 - 04:22:13 EST



> > On 18/01/2017 12:32, Xishi Qiu wrote:
> > > From: Tiantian Feng <fengtiantian@xxxxxxxxxx>
> > >
> > > We need to disable VMX on all CPUs before stop cpu when OS panic,
> > > otherwisewe risk hanging up the machine, because the CPU ignore INIT
> > > signals when VMX is enabled. In kernel mainline this issue existence.
>
> Yes, but the changelog is atrcious:
>
> - title should describe the purpose, not the implementation
>
> - CPU is spelled 'CPU' once, then 'cpu' _in the same sentence_!
>
> - typos
>
> - spelling
>
> - the last sentence doesn't even parse ...
>
> Still it's already at V4 and comes with two signoffs and what amounts to a
> maintainer Ack??

Well, the v2-v4 were really just about getting the signoffs right. At some
point you just get desensitized about the changelog. :(

I'll post v5 with a rewritten commit message.

Paolo