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Open Source and information security mailing list archives
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Date: Thu, 24 Apr 2008 08:33:19 -0700 From: Jesse Barnes <jbarnes@...tuousgeek.org> To: Shaohua Li <shaohua.li@...el.com> Cc: Andi Kleen <andi@...stfloor.org>, Jesper Juhl <jesper.juhl@...il.com>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com> Subject: Re: [PATCH] PCI Express ASPM support should default to 'No' On Thursday, April 24, 2008 1:02 am Shaohua Li wrote: > On Thu, 2008-04-24 at 09:49 +0200, Andi Kleen wrote: > > Shaohua Li <shaohua.li@...el.com> writes: > > > Ok, I'm fine with the patch. Though by default, the policy is to use > > > BIOS setting, that is if BIOS disables ASPM, we don't enable it too. > > > > Once the feature is considered stable it would be nice to make it > > default y > > again. I think any power saving should be on by default (unless > > serious > > issues are known), not off. > > yes, we could do it in next release. When we move to 'default y' we should also update the Kconfig text, removing the experimental tag and changing the advice. And yeah, I'd like to save power by default too, but do you think this has seen enough test coverage to enable it by default? Do we know of any platforms where ASPM causes problems because the BIOS enabled it and we tried to use it? Thanks, Jesse -- 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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