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Re: [Xen-devel] [PATCH v9 03/19] qspinlock: Add pending bit



On 04/18/2014 12:35 PM, Konrad Rzeszutek Wilk wrote:
On Fri, Apr 18, 2014 at 12:23:29PM -0400, Waiman Long wrote:
On 04/18/2014 03:42 AM, Ingo Molnar wrote:
* Waiman Long<Waiman.Long@xxxxxx>   wrote:

Because the qspinlock needs to touch a second cacheline; add a pending
bit and allow a single in-word spinner before we punt to the second
cacheline.

Signed-off-by: Peter Zijlstra<peterz@xxxxxxxxxxxxx>
Signed-off-by: Waiman Long<Waiman.Long@xxxxxx>
This patch should have a "From: Peter" in it as well, right?

Thanks,

        Ingo
Do you mean a "From:" line in the mail header? It will be a bit hard
to have different "From:" header in the same patch series. I can
certainly do that if there is an easy way to do it.
It is pretty easy.

Just do 'git commit --amend --author "The Right Author"' and when
you send the patches (git send-email) it will include that.

Thank for the tip. I will do that in the next version.

-Longman

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