Re: x86: Is there still value in having a special tlb flush IPI vector?

From: Andi Kleen
Date: Mon Jul 28 2008 - 22:12:34 EST


On Mon, Jul 28, 2008 at 04:20:53PM -0700, Jeremy Fitzhardinge wrote:
> Resend to cc: Andi on an address which actually works.
>
> Jeremy Fitzhardinge wrote:
> >Now that normal smp_function_call is no longer an enormous bottleneck,

Hmm? It still uses a global lock at least as of current git tree.

-Andi
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