[3688] in linux-scsi channel archive
Re: Race in AHA1542 detection
daemon@ATHENA.MIT.EDU (Eric Youngdale)
Mon Apr 13 00:31:16 1998
Date: Mon, 13 Apr 1998 00:28:52 -0400 (EDT)
From: Eric Youngdale <eric@andante.jic.com>
To: Keith Owens <kaos@ocs.com.au>
cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <19980223221211.20867.qmail@mail.ocs.com.au>
I gather from messages that I have seen while browsing
linux-kernel that the problem with the spurious messages from the 1542
driver is still with us. I cannot say for sure - I am just digging out
from about a month of being swamped by real work, and I still haven't
looked at any kernels past 2.1.88.
I still don't understand why anyone needed to break cli() so that
it no longer blocks interrupts on all processors, but in this particular
case it doesn't matter much since we sort of expect a spurious interrupt,
and the fix is basically to inhibit the 'no mail' message just after a
boot. The old way of doing things was to turn off interrupts and then
clear the interrupt flag before it could be delivered. I could put
together a patch, but at the moment it would be against 2.1.88 which may
or may not be correct.
Hopefully this week I will get a few moments to update my kernel
tree so I can see what people have been up to. From what I gather, quite
a bit has changed in the past month.
-Eric
"The world was a library, and its books were the stones, leaves,
brooks, grass, and the birds of the earth. We learned to do what only
a student of nature ever learns, and that was to feel beauty."
Chief Luther Standing Bear - Teton Sioux
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