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Message-ID: <CABawtvPL3ECq=QLVxDNtmgjWWV2B6+Z=5S+wJ9VXwT0jRsxh8w@mail.gmail.com> Date: Sat, 5 Oct 2013 18:57:32 +0800 From: Ethan Zhao <ethan.kernel@...il.com> To: Yinghai Lu <yinghai@...nel.org> Cc: Bjorn Helgaas <bhelgaas@...gle.com>, "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Ethan Zhao <ethan.zhao@...cle.com> Subject: Re: Commit 07f9b61 breaks systems that don't implement a _CBA method On Sat, Oct 5, 2013 at 7:55 AM, Yinghai Lu <yinghai@...nel.org> wrote: > On Fri, Oct 4, 2013 at 3:11 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote: >> On Thu, Oct 3, 2013 at 7:18 PM, Hedi Berriche <hedi@....com> wrote: > >> It's regrettable that the code is so subtle. The obvious thing to do >> would be to check for _CBA, and if it doesn't exist, look for an MCFG >> entry. But for various historical reasons, the code is a mess, and we >> haven't figured out how to safely simplify it. >> >> Ethan, Yinghai, any objections to reverting 07f9b61? > > yes, that is right solution. > -- Thanks, pull it out from the trap. > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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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