linux-kernel - Re: [PATCH v2 2/5] x86/PCI: Support additional MMIO range capabilities

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Message-ID: <20140430095129.GP32718@rric.localhost>
Date:	Wed, 30 Apr 2014 11:51:29 +0200
From:	Robert Richter <rric@...nel.org>
To:	Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Cc:	Myron Stowe <myron.stowe@...il.com>,
	Borislav Petkov <bp@...en8.de>, Borislav Petkov <bp@...e.de>,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Myron Stowe <myron.stowe@...hat.com>,
	Aravind Gopalakrishnan <aravind.gopalakrishnan@....com>,
	linux-pci <linux-pci@...r.kernel.org>, kim.naru@....com,
	Daniel J Blueman <daniel@...ascale.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86 <x86@...nel.org>,
	Steffen Persvold <sp@...ascale.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jan Beulich <JBeulich@...e.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH v2 2/5] x86/PCI: Support additional MMIO range
 capabilities

On 30.04.14 02:50:21, Suravee Suthikulpanit wrote:
> Actually, if ECS is needed by IBS, then wouldn't this still be needed for
> every family since 10h and later (except family11h).

Yes, but you have stated that pci mmconfig should work on families >
10h. Thus, ECS would work there out-of-the-box (at least after the
system brought pci up, ibs is initialized after pci setup).

-Robert
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