Re: [PATCH] updated preempt-kernel

From: Taral (taral@taral.net)
Date: Mon Oct 22 2001 - 10:36:57 EST


On Sun, Oct 21, 2001 at 02:16:18PM -0400, Robert Love wrote:
> Colin, can you try Andrew's patch and report back? This problem has
> been reported before -- its a tty bug that preempt (and SMP I wager)
> just aggravate. I have a patch that I know fixes it, but Andrew's is
> _much_ simpler. I will send you that if this fails. Please let me
> know.

This also looks a bit wrong:
> > + if (vt) {
> > + /*
> > + * If we raced with con_close(), `vt' may be null.
> > + * Hence this bandaid. - akpm
> > + */
> > + acquire_console_sem();
> > + set_cursor(vt->vc_num);
> > + release_console_sem();
> > + }

Maybe should be:

acquire_console_sem();
if (vt) set_cursor(vt->vc_num);
release_console_sem();

??

-- 
Taral <taral@taral.net>
This message is digitally signed. Please PGP encrypt mail to me.
"Any technology, no matter how primitive, is magic to those who don't
understand it." -- Florence Ambrose
-
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/



This archive was generated by hypermail 2b29 : Tue Oct 23 2001 - 21:00:31 EST