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SubjectRe: regression since 4.8 and newer in select_idle_siblings()
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On Tue, 2016-10-18 at 15:40 +0200, Igor Mammedov wrote:
> kernel crashes at runtime due null pointer dereference at
> select_idle_sibling()
> -> select_idle_cpu()
> ...
> u64 avg_cost = this_sd->avg_scan_cost;
>
> regression bisects to:
> commit 10e2f1acd0106c05229f94c70a344ce3a2c8008b
> Author: Peter Zijlstra <peterz@infradead.org>
> sched/core: Rewrite and improve select_idle_siblings()

http://git.kernel.org/tip/9cfb38a7ba5a9c27c1af8093fb1af4b699c0a441

Already fixed, and will land in Linus' tree soon.

-Mike

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