From: Oleg Nesterov <oleg@tv-sign.ru>
To: paulmck@us.ibm.com, akpm@osdl.org, linux-kernel@vger.kernel.org,
dipankar@in.ibm.com, mingo@elte.hu, suzannew@cs.pdx.edu
Subject: Re: [PATCH] Additional/catchup RCU signal fixes for -mm
Date: Sun, 06 Nov 2005 17:46:09 +0300 [thread overview]
Message-ID: <436E1731.16CFAE41@tv-sign.ru> (raw)
In-Reply-To: <436E1086.EE67F433@tv-sign.ru>
Oleg Nesterov wrote:
>
> "Paul E. McKenney" wrote:
> >
> > + if (p->sighand == NULL) {
> > + ret = 1;
>
> Oh, I think there is another problem here. I'll post a separate
> message.
Sorry, I was not clear. This problem is unrelated. Yes, I think we
should drop the signal. But please note that ret = 1 (sig_ignored)
means (surprise!) "reschedule and re-arm this timer right now" in
cpu-timer case. It is not critical, but may be ret = 0 is better.
Oleg.
next prev parent reply other threads:[~2005-11-06 13:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-05 1:36 Paul E. McKenney
2005-11-05 16:32 ` Oleg Nesterov
2005-11-06 1:00 ` Paul E. McKenney
2005-11-06 14:17 ` Oleg Nesterov
2005-11-06 14:46 ` Oleg Nesterov [this message]
2005-11-06 23:02 ` Paul E. McKenney
2005-11-06 14:32 ` Posix timers vs exec problems Oleg Nesterov
2005-11-07 18:12 ` [PATCH] fix de_thread() vs send_group_sigqueue() race Oleg Nesterov
2005-11-08 20:36 ` Chris Wright
2005-11-08 20:55 ` Linus Torvalds
2005-11-16 23:26 ` [PATCH] sigaction should clear all signals on SIG_IGN, not just < 32 George Anzinger
2005-11-22 1:09 ` Thread group exec race -> null pointer... HELP George Anzinger
2005-11-22 14:45 ` Oleg Nesterov
2005-11-23 20:30 ` George Anzinger
2005-11-25 15:03 ` Ingo Molnar
2005-11-22 19:20 ` [PATCH] fix do_wait() vs exec() race Oleg Nesterov
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