Re: [BUG] linux-2.6.28-rc3 regression: IRQ smp_affinities notrespected

From: David Miller
Date: Wed Nov 05 2008 - 04:59:21 EST


From: "Michael Chan" <mchan@xxxxxxxxxxxx>
Date: Tue, 4 Nov 2008 22:45:43 -0800

> I believe this may be the patch that broke it:
>
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce6fce4295ba727b36fdc73040e444bd1aae64cd
>
> I don't remember all the details, but the Broadcom 5708 chip is
> affected because it does not support MSI per-vector masking.
>
> One way to get around is to disable MSI with bnx2 parameter
> disable_msi=1.

On first glance my reaction is that I think that patch should be
reverted, given what the tradeoff appears to be.

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