linux-kernel - Re: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups

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Message-ID: <549917F6.1080504@redhat.com>
Date:	Tue, 23 Dec 2014 08:21:26 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Andy Lutomirski <luto@...capital.net>,
	Marcelo Tosatti <mtosatti@...hat.com>
CC:	Gleb Natapov <gleb@...nel.org>, kvm list <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
	glommer@...il.com
Subject: Re: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups



On 23/12/2014 01:39, Andy Lutomirski wrote:
> This is a dramatic simplification and speedup of the vdso pvclock read
> code.  Is it correct?
> 
> Andy Lutomirski (2):
>   x86, vdso: Use asm volatile in __getcpu
>   x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader

Patch 1 is ok,

Acked-by: Paolo Bonzini <pbonzini@...hat.com>

For patch 2 I will defer to Marcelo and Glauber (and the Xen folks).

Paolo
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