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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: <paulus@samba.org>
Cc: <linux-kernel@vger.kernel.org>, "David S. Miller" <davem@redhat.com>,
        <torvalds@transmeta.com>, <marcelo@conectiva.com.br>,
        <linux-ia64@linuxia64.org>
Subject: Re: alpha bug in signal handling
Date: Wed, 5 Dec 2001 22:15:50 +0100
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>
>I think David (Mosberger, not Miller :) is right here, and in fact
>this is also wrong on PPC at the moment.  However, the worst case is
>that the reschedule or signal delivery will get delayed until the next
>interrupt on that cpu (max 1/HZ seconds).  Since it is a pretty narrow
>window for the race I think it would be hard to observe the effect of
>the bug.

Yup, I found that some time ago. I though I even fixed it while hacking
on the return from exception path. The fix has probably been lost along
with some of that experimental stuff I was doing at that time though,
I remember you saying the problem wasn't that big.

Ben.


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