Hi, On Thursday, 19 April 2007 14:02, Gautham R Shenoy wrote: > This patch fixes the race pointed out by Oleg Nesterov. > > * Freezer marks a thread as freezeable. > * The thread now marks itself PF_NOFREEZE causing it to > freeze on calling try_to_freeze(). Thus the task is frozen, even though > it doesn't want to. > * Subsequent thaw_processes() will also fail to thaw the task since it is > marked PF_NOFREEZE. > > Avoid this problem by checking the current task's PF_NOFREEZE status in the > refrigerator before marking current as frozen. > > Signed-off-by: Gautham R Shenoy <[EMAIL PROTECTED]>
Looks good, although I'm not sure if we don't need to call recalc_sigpending() for tasks that turn out to be PF_NOFREEZE. Greetings, Rafael - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/