Messages in this thread | | | From | Qian Cai <> | Subject | Re: [PATCH] sched/core: fix illegal RCU from offline CPUs | Date | Mon, 13 Jan 2020 08:42:55 -0500 |
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> On Jan 13, 2020, at 3:22 AM, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> wrote: > > Is commit 7283094ec3db318e ("kernel, oom: fix potential pgd_lock deadlock from > __mmdrop") about only softirq? Is it guaranteed that smp_call_function_single() > does not hit such race? Then just my overcareful...
That commit looks like a different issue. We are not call mmdrop() from softirq here.
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