lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 19 Aug 2008 15:39:47 -0400 From: Josef Bacik <jbacik@...hat.com> To: Matthew Wilcox <matthew@....cx> Cc: Josef Bacik <jbacik@...hat.com>, linux-kernel@...r.kernel.org, rwheeler@...hat.com, tglx@...utronix.de, linux-fsdevel@...r.kernel.org, chris.mason@...cle.com, linux-ext4@...r.kernel.org Subject: Re: [PATCH 1/2] add hrtimer_sleep_ns helper function On Tue, Aug 19, 2008 at 01:36:57PM -0600, Matthew Wilcox wrote: > On Tue, Aug 19, 2008 at 03:22:16PM -0400, Josef Bacik wrote: > > On Tue, Aug 19, 2008 at 01:15:08PM -0600, Matthew Wilcox wrote: > > > I don't see any users (in this patch or the next) of people wanting > > > uninterruptible nanosleeps. We shouldn't be introducing new > > > TASK_UNINTERRUPTIBLE users, but instead using TASK_KILLABLE if the user > > > really can't cope with signals in a sensible manner. > > > > Hmm doh, sorry about that the 2/2 patch of this series should be passing 0 not 1 > > since we need to be uninterruptible. > > I think that's taught us that '0' and '1' are insufficiently > descriptive, and we should either be passing in a state (ie > do_nanosleep(x, y, TASK_FOO), or have separate do_nanosleep_killable() > and do_nanosleep_interruptible()). > > > I figured this sort of thing would be used > > by fs's/device drivers where TASK_UNINTERRUPTIBLE is desired. If that is not > > appropriate let me know and I can use TASK_KILLABLE or whatever else the > > preference is. Thanks, > > We should be trying to accommodate the user's wishes wherever possible. > If they say kill -9, they really mean it, and we should stop waiting. > Now, I don't think we should abort the journal_stop(). That's probably > going too far in this instance. But we should stop waiting for other > tasks to join in, and finish up as quickly as possible. Fair enough, I will make the changes in the next round, thanks much. Josef -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists