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

To: Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Marcelo Tosatti <mtosatti@xxxxxxxxxx>
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Tue, 23 Dec 2014 08:21:26 +0100
Cc: Gleb Natapov <gleb@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, kvm list <kvm@xxxxxxxxxxxxxxx>, glommer@xxxxxxxxx
Delivery-date: Tue, 23 Dec 2014 07:21:47 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>


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@xxxxxxxxxx>

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

Paolo

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