[lkml]   [2007]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Merge the Sonics Silicon Backplane subsystem
On Friday 27 July 2007 22:12:49 Andrew Morton wrote:
> On Fri, 27 Jul 2007 21:43:59 +0200
> Michael Buesch <> wrote:
> > > Sure, but why is the locking interruptible rather than plain old
> > > mutex_lock()?
> >
> > Hm, well. We hold this mutex for several seconds, as writing takes
> > this long. So I simply thought it was worth allowing the waiter
> > to interrupt here. If you say that's not an issue, I'll be happy
> > to use mutex_lock() and reduce code complexity in this area.
> So.. is that what the _interruptible() is for? To allow an impatient user to ^c
> a read?

Yeah, I thought so.

> If so, that sounds reasonable. It's worth a comment explaining these decisions
> to future readers, because it is hard to work out this sort of thinking just
> from the bare C code.

Ok, no problem.

Greetings Michael.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-07-27 22:33    [W:0.058 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site