From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rik van Riel <riel@redhat.com>
Subject: Re: x86: kvmclock: drop rdtsc_barrier()
Date: Fri, 24 Apr 2015 21:45:47 -0400
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References: <20150425013614.GA12023@amt.cnet>
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Cc: Andy Lutomirski <luto@amacapital.net>
To: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
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On 04/24/2015 09:36 PM, Marcelo Tosatti wrote:
> 
> Drop unnecessary rdtsc_barrier(), as has been determined empirically,
> see 057e6a8c660e95c3f4e7162e00e2fee1fc90c50d for details.
> 
> Noticed by Andy Lutomirski.
> 
> Improves clock_gettime() by approximately 15% on 
> Intel i7-3520M @ 2.90GHz.
> 
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Acked-by: Rik van Riel <riel@redhat.com>

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