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SubjectRe: [PATCH 2/3] perf: clarify comment regarding event merging
On Thu, Jan 09, 2014 at 03:51:31PM -0800, Cody P Schafer wrote:
> There are actually 2 things about software events that allow us to
> merge them: they never fail to schedule _and_ they have transaction
> handlers we can (and do, when they are added to !sw groups) ignore. Note
> both of these in the comment on adding sw events to !sw groups.

The latter is a direct consequence of the former. Since they can always
be scheduled, they don't need any schedulability testing, and therefore
the transaction stuff is useless.




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