linux-kernel - Re: [GIT *] intel-iommu updates for 2.6.30 (second batch)

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Date:	Tue, 7 Apr 2009 08:15:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	torvalds@...ux-foundation.org, iommu@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT *] intel-iommu updates for 2.6.30 (second batch)


* David Woodhouse <dwmw2@...radead.org> wrote:

> I think the problem here is actually the fact that we used 
> 'select' instead of proper dependencies. I wouldn't normally have 
> used the abomination that is 'select', but since I was just moving 
> things around I ended up doing so by accident.

Yeah, it's genuinely fragile.

> X2APIC currently selects INTR_REMAP, and the bug would never have 
> happened if we'd made X2APIC _depend_ on INTR_REMAP instead.
>
> This is a better fix:

Yep, that patch looks better - it gets rid of a select and 
establishes proper dependencies - applied it to x86/urgent
and will get it to Linus later today.

Thanks,

	Ingo
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