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SubjectRe: [PATCH 3/5] sched/deadline: Fix wrong cpudl_find() in check_preempt_equal_dl()
On Mon, Jan 19, 2015 at 04:49:38AM +0000, Xunlei Pang wrote:
> In check_preempt_equal_dl(), cpudl_find() is called with a NULL
> later_mask, thus cpudl_find() here doesn't check cpudl::free_cpus
> at all.
>
> This patch takles this issue by always passing a non-NULL later_mask
> to cpudl_find(), thereby fixing this issue.

Fix what issue? Afaict this is an optimization not a fix.


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