Andrew,
On Thu, Mar 01, 2007 at 04:47:42PM -0800, Andrew Morton wrote:
> On Thu, 01 Mar 2007 15:32:22 +0100
> "Uwe Bugla" <[EMAIL PROTECTED]> wrote:
>
> > Hi folks,
> > this patch fixes the floppy mount bug (i. e. regression) in kernel
> > 2.6.21-rc1. It was inspired by Stephane Eranian. It was tested on an Intel
> > P4 1800 MHz
> > (Intel ICH4 chipset) and on an AMD Athlon XP 1800 MHz (Silicon Integrated
> > Systems chipset 740, 5513).
> > My deep thanks and respect go to:
> > Stephane Eranian, Linus Torvalds, Jiri Slaby. You are truthfully real men
> > and reliable, accurate, fine chaps. It feels great to have you in this
> > world-wide community!
> > Would you still call the whole i386 architecture "a small number of
> > machines", Mister Andrew Morton? If yes, in how far please?
> >
> > Signed-off-by: Uwe Bugla <[EMAIL PROTECTED]>
> >
> > --- a/arch/i386/kernel/process.c
> > +++ b/arch/i386/kernel/process.c
> > @@ -154,6 +154,7 @@
> > current_thread_info()->status |= TS_POLLING;
> > } else {
> > /* loop is done by the caller */
> > + local_irq_enable();
> > cpu_relax();
> > }
> > }
>
> Linus reverted the offending patch "[PATCH] i386: add idle notifier"
> on Feb 26, so this fix should no longer be needed, and 2.6.21-rc2 should
> be working again.
>
> Hopefully Stephane will fold this fix into any future version of that patch,
> if appropriate.
Well, given that nobody really liked this idle notifier, I am trying to do
differently on all architectures which unfortunately is not an easy thing
to do.
What I did not really like in all of this is that people come up with
arguments without providing the data to prove it, e.g., increase interrupt
latency (by how much?).
--
-Stephane
-
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