From: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [RFT] mmu optimizations branch
Date: Wed, 3 Jan 2007 12:30:44 +0100 [thread overview]
Message-ID: <20070103113044.GE19989@elte.hu> (raw)
In-Reply-To: <459B8267.5080000-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
* Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
> A question. What's __flush_tlb() doing in the context switch path?
> Shouldn't it just load the new cr3 and be done with it?
hmm .... it /does/ use load_cr3, which uses write_cr3(). Maybe i'm wrong
about this analysis and the 'speedup' was a cache alignment fluke ...
Ingo
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prev parent reply other threads:[~2007-01-03 11:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-01 10:32 [RFT] mmu optimizations branch Avi Kivity
[not found] ` <4598E33B.608-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-02 16:11 ` Ingo Molnar
[not found] ` <20070102161117.GA3306-X9Un+BFzKDI@public.gmane.org>
2007-01-02 16:32 ` Avi Kivity
[not found] ` <459A8909.7020600-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-02 16:49 ` Ingo Molnar
[not found] ` <20070102164912.GA25271-X9Un+BFzKDI@public.gmane.org>
2007-01-02 17:07 ` Avi Kivity
2007-01-02 17:01 ` Michael Riepe
[not found] ` <459A8FE0.2030202-0QoEqw4nQxo@public.gmane.org>
2007-01-03 8:49 ` Avi Kivity
2007-01-02 17:02 ` Ingo Molnar
[not found] ` <20070102170212.GB25271-X9Un+BFzKDI@public.gmane.org>
2007-01-02 17:09 ` Avi Kivity
2007-01-03 2:22 ` Ingo Molnar
[not found] ` <20070103022241.GA13840-X9Un+BFzKDI@public.gmane.org>
2007-01-03 3:05 ` Anthony Liguori
[not found] ` <459B1D8A.6040604-NZpS4cJIG2HvQtjrzfazuQ@public.gmane.org>
2007-01-03 8:35 ` Avi Kivity
2007-01-03 8:32 ` Avi Kivity
[not found] ` <459B6A15.4010208-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 10:02 ` Ingo Molnar
[not found] ` <20070103100235.GA17168-X9Un+BFzKDI@public.gmane.org>
2007-01-03 10:16 ` Avi Kivity
[not found] ` <459B8267.5080000-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-01-03 11:30 ` Ingo Molnar [this message]
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