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Message-ID: <s5hbqn99f2v.wl%tiwai@suse.de> Date: Wed, 15 Nov 2006 11:31:04 +0100 From: Takashi Iwai <tiwai@...e.de> To: David Miller <davem@...emloft.net> Cc: torvalds@...l.org, jeff@...zik.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default At Tue, 14 Nov 2006 19:21:17 -0800 (PST), David Miller wrote: > > From: Linus Torvalds <torvalds@...l.org> > Date: Tue, 14 Nov 2006 19:10:42 -0800 (PST) > > > Yours was still an example of "nice". And it had absolutely nothing > > to do with the _PROBLEM_. > > Understood. > > BTW, some drivers have taken the approch to add MSI self-tests > inside of the driver to ensure correct option of MSI on a given > machine. There's a lot of resistence to that, the reasons for > which I grok fully, but I'm not sure other suggestions such as > black lists are any better. The snd-hda-intel driver has a test of MSI, but it seems not working on every machine. It caused non-cared interrupts and the kernel disabled that irq. > Given current experience maybe white-lists are in fact the way > to go. Could it be whitelisted in the PCI driver side? I don't think it's good to have a huge white/blacklist in each device driver. Takashi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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