Messages in this thread |  | | Date | Fri, 5 Sep 2014 16:19:25 +0900 | From | Tejun Heo <> | Subject | Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM |
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On Thu, Sep 04, 2014 at 11:37:24PM -0700, Luis R. Rodriguez wrote: ... > + /* > + * I got SIGKILL, but wait for 60 more seconds for completion > + * unless chosen by the OOM killer. This delay is there as a > + * workaround for boot failure caused by SIGKILL upon device > + * driver initialization timeout. > + * > + * N.B. this will actually let the thread complete regularly, > + * wait_for_completion() will be used eventually, the 60 second > + * try here is just to check for the OOM over that time. > + */ > + WARN_ONCE(!test_thread_flag(TIF_MEMDIE), > + "Got SIGKILL but not from OOM, if this issue is on probe use .driver.async_probe\n"); > + for (i = 0; i < 60 && !test_thread_flag(TIF_MEMDIE); i++) > + if (wait_for_completion_timeout(&done, HZ)) > + goto wait_done; > +
Ugh... Jesus, this is way too hacky, so now we fail on 90s timeout instead of 30? Why do we even need this with the proposed async probing changes?
Thanks.
-- tejun
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