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Date: Thu, 1 Mar 2007 16:47:42 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: "Uwe Bugla" <uwe.bugla@gmx.de>
Cc: torvalds@linux-foundation.org, linux-dvb@linuxtv.org, domi.dumont@free.fr,
       Jiri Slaby <jirislaby@gmail.com>, bunk@stusta.de,
       linux-kernel@vger.kernel.org, Stephane Eranian <eranian@hpl.hp.com>,
       venkatesh.pallipadi@intel.com
Subject: Re: patch 3 / 3: fix floppy mount bug in kernel 2.6.21-rc1
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On Thu, 01 Mar 2007 15:32:22 +0100
"Uwe Bugla" <uwe.bugla@gmx.de> 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 <uwe.bugla@gmx.de>
> 
> --- 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.