Messages in this thread | | | Date | Tue, 21 May 2002 14:16:14 -0700 | From | Bob Miller <> | Subject | Re: Oops from local semaphore race condition |
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On Tue, May 21, 2002 at 03:41:19PM -0400, Ron Niles wrote: > > > Ron.Niles@falconstor.com said: > >> Then I realized it can possibly go corrupt, due to a race condition > >> which lets down() continue before up() is complete: > > From: David Woodhouse [mailto:dwmw2@infradead.org] > > >This is what completions were added for. > > Thanks, struct completion is the best way; it's gonna be tough to maintain > backward compatibility though. > > One comment; it looks like the implementation in sched.c should more > properly be using wq_write_lock_irqsave on the lock. > I sent patches to Linus to fix this back in February. Dave Jones picked them up and they are still in his tree. I don't know when/if he is going to forward them onto Linus for inclusion into his tree.
-- Bob Miller Email: rem@osdl.org Open Source Development Lab Phone: 503.626.2455 Ext. 17 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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