From: Valdis.Kletnieks@vt.edu
To: Joerg Roedel <joro@8bytes.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Joerg Roedel <joerg.roedel@amd.com>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] PCI: Add support for PASID capability
Date: Wed, 28 Sep 2011 15:18:15 -0400 [thread overview]
Message-ID: <15060.1317237495@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Tue, 27 Sep 2011 00:15:39 +0200." <20110926221539.GG15002@8bytes.org>
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On Tue, 27 Sep 2011 00:15:39 +0200, Joerg Roedel said:
> PASID stands for Process Address Space ID, it basically allows a PCI
> device to access multiple IO address spaces at the same time using an
> IOMMU. Users should enable it when they want to compile an IOMMU driver
> into the kernel that supports PASIDs for the translated devices.
> I'll add all that information to the Kconfig help. Thanks a lot for your
> feedback :)
Is this a case where the PCI device drivers in question should be doing a
'select' or 'depends on' if they support talking to an IOMMU using PASID?
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next prev parent reply other threads:[~2011-09-28 19:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-22 15:49 [PATCH 0/4] Support for PRI and " Joerg Roedel
2011-09-22 15:49 ` [PATCH 1/4] PCI: Move ATS implementation into own file Joerg Roedel
2011-09-22 15:49 ` [PATCH 2/4] PCI: Export ATS functions to modules Joerg Roedel
2011-09-22 15:49 ` [PATCH 3/4] PCI: Add implementation for PRI capability Joerg Roedel
2011-09-22 15:49 ` [PATCH 4/4] PCI: Add support for PASID capability Joerg Roedel
2011-09-26 20:58 ` Bjorn Helgaas
2011-09-26 22:15 ` Joerg Roedel
2011-09-28 19:18 ` Valdis.Kletnieks [this message]
2011-09-29 9:26 ` Roedel, Joerg
2011-09-26 14:26 ` [PATCH 0/4] Support for PRI and " Joerg Roedel
2011-09-26 20:42 ` Bjorn Helgaas
2011-09-26 20:59 ` Joerg Roedel
2011-09-27 13:57 [PATCH 0/4 v2] PCI: Add support for " Joerg Roedel
2011-09-27 13:57 ` [PATCH 4/4] " Joerg Roedel
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