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From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"jbarnes@virtuousgeek.org" <jbarnes@virtuousgeek.org>,
	"bhelgaas@google.com" <bhelgaas@google.com>
Subject: Re: [PATCH] pci: More PRI/PASID cleanup
Date: Tue, 8 Nov 2011 18:54:10 +0100	[thread overview]
Message-ID: <20111108175410.GH5182@amd.com> (raw)
In-Reply-To: <1320773518.19116.30.camel@bling.home>

On Tue, Nov 08, 2011 at 10:31:58AM -0700, Alex Williamson wrote:
> On Tue, 2011-11-08 at 18:17 +0100, Roedel, Joerg wrote:
> > On Tue, Nov 08, 2011 at 09:44:30AM -0700, Alex Williamson wrote:
> > 
> > > bit 0 (PCI_PASID_ENABLE) is reserved in the CAP register...
> > 
> > Is it? Which spec are you using? In my version it is not reserved but
> > states if it is supported to set the enable-bit.
> 
> Latest I can find is the March 31, 2011 PASID ECN, which just lists that
> bit as reserved.

Okay, my one is older and there it is stated as I implemented it. I will
check with reality first before changing the code...

> I can drop it if need be, was just trying to do some cleanup on the
> consistency of pci_reg.h before adding a bunch more defines to help
> bounds checking and parsing for vfio-pci.  Unless my spec is outdated,
> it seems like there's more than an aesthetic change here though, so
> resolving the conflicts with your latest work might be warranted.

Fine with me. The best is probably when I carry this change forward
(when Jesse is ok with that) and put my changes on-top of that.

Thanks,

	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632


  reply	other threads:[~2011-11-08 17:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-03  3:53 [PATCH] pci: More PRI/PASID cleanup Alex Williamson
2011-11-08 16:28 ` Roedel, Joerg
2011-11-08 16:44   ` Alex Williamson
2011-11-08 17:17     ` Roedel, Joerg
2011-11-08 17:31       ` Alex Williamson
2011-11-08 17:54         ` Roedel, Joerg [this message]
2011-11-08 18:20           ` Alex Williamson
2011-11-09  9:59             ` Roedel, Joerg

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