Messages in this thread | | | Subject | Re: [PATCH] livepatch: klp_send_signal should treat PF_IO_WORKER like PF_KTHREAD | From | Jens Axboe <> | Date | Thu, 25 Mar 2021 10:29:44 -0600 |
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On 3/24/21 7:48 PM, Dong Kai wrote: > commit 15b2219facad ("kernel: freezer should treat PF_IO_WORKER like > PF_KTHREAD for freezing") is to fix the freezeing issue of IO threads > by making the freezer not send them fake signals. > > Here live patching consistency model call klp_send_signals to wake up > all tasks by send fake signal to all non-kthread which only check the > PF_KTHREAD flag, so it still send signal to io threads which may lead to > freezeing issue of io threads. > > Here we take the same fix action by treating PF_IO_WORKERS as PF_KTHREAD > within klp_send_signal function.
Reviewed-by: Jens Axboe <axboe@kernel.dk>
-- Jens Axboe
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