Messages in this thread | | | Date | Fri, 17 Mar 2000 16:34:49 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [PATCH] unnecessary blocking interrupts in exit_notify() |
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On Fri, 17 Mar 2000, Jun Sun wrote: > > Would you please take this patch? It improves interrupt responsiveness, > especially important for embedded systems.
It has a very serious bug.
It can deadlock due to an interrupt doing a read_lock() on the tasklist_lock while we hold the write lock.
Linus
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