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    SubjectRe: [PATCH 1/2] kthread_create
    Date
    In message <Pine.LNX.4.44.0401032039350.2022-100000@bigblue.dev.mdolabs.com> you write:
    > > You can get around (2) by having a permenant parent "kthread" thread
    > > which is a parent to all the kthreads (it'll get a SIGCHLD when
    > > someone does "do_exit()"). But the implementation was pretty ugly,
    > > since it involved having a communications mechanism with the kthread
    > > parent, which means you have the global ktm_message-like-thing for
    > > this...
    >
    > You will lose in any case. What happens if the thread does do_exit() and
    > you do kthread_stop() after that?

    That's illegal. Either your thread exits, or you call kthread_stop().

    > With the patch I posted to you, the kthread_stop() will simply miss the
    > lookup and return -ENOENT.

    Or find some other random kthread which has reused the task struct and
    kill that 8(

    Rusty.
    --
    Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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