Re: [PATCH] PPC601 MQ handling

2 messages, 2 authors, 2004-06-17 · open the first message on its own page

Re: [PATCH] PPC601 MQ handling

From: Stef Simoens <hidden>
Date: 2004-06-17 09:19:54

Did you check it was actually saved/restored by the signal code ?

Ben.
I looked up when XER gets saved/restored to save/restore MQ.

I tested my patch with
mqtest &
(start other programs which are 'MQ-enabled')
fg
^Z
...
and mqtest gave me the correct output.

I used the same principle to patch my 2.4 kernel and I'm running with the patch for over 3 months now.

If this isn't the answer you wanted, could you please point out what I should be testing?

Thanks

Stef


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Re: [PATCH] PPC601 MQ handling

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2004-06-17 16:27:06

On Thu, 2004-06-17 at 04:19, Stef Simoens wrote:
quoted
Did you check it was actually saved/restored by the signal code ?

Ben.
I looked up when XER gets saved/restored to save/restore MQ.

I tested my patch with
mqtest &
(start other programs which are 'MQ-enabled')
fg
^Z
...
and mqtest gave me the correct output.
I was concerned about arch/ppc/kernel/signal.c but it seems that it's ok,
it will save & restore it properly.

Paul, do we want this patch in ?

Ben.


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
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