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SubjectRe: [PATCH] smp: Remove CSD_FLAG_WAIT flag that's unused
On Fri, Feb 27, 2015 at 12:36:13PM -0800, Tim Chen wrote:
>
> The CSD_FLAG_WAIT is not serving any useful purpose as we do not use
> its value to decide if we are going to wait for a smp call to complete.
> We also never cleared it properly when we are done waiting to indicate
> that the wait is over. So the WARNING debug check in csd_unlock is
> also not serving useful purpose. Propose here to remove it to clean up
> the code.

Linus had a much more comprehensive patch:

http://marc.info/?l=linux-kernel&m=142368734118230


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