Re: mm: deadlock between get_online_cpus/pcpu_alloc
From: Michal Hocko <mhocko@kernel.org>
Date: 2017-02-08 12:23:40
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On Wed 08-02-17 13:02:07, Thomas Gleixner wrote:
On Wed, 8 Feb 2017, Michal Hocko wrote:
[...]
Well, yes. It's simple, but from an RT point of view I really don't like it as we have to fix it up again.
I thought that preempt_disable would turn into migrate_disable or something like that which shouldn't cause too much trouble. Or am I missing something? Which part of the patch is so RT unfriendly? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>