Re: [Xen-devel] Xen spinlock questions

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 11/8/08 13:22, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Running kernel builds on 8 vCPU-s competing for 4 pCPU-s shows a 10%
> improvement in performance with the individual wakeup (patch attached
> - probably sub-optimal, but I didn't seem to be able to think of a lock-less
> mechanism to achieve the desired behavior), using ticket locks in the
> kernel.

Could you try with the attached lock-free patch?

 -- Keir

poll.patch
Description: Binary data

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