From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Ohad Ben-Cohen <ohad@wizery.com>
Cc: "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"laurent.pinchart@ideasonboard.com"
<laurent.pinchart@ideasonboard.com>,
"Hiroshi.DOYU@nokia.com" <Hiroshi.DOYU@nokia.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"davidb@codeaurora.org" <davidb@codeaurora.org>,
Omar Ramirez Luna <omar.ramirez@ti.com>
Subject: Re: [RFC 0/6] iommu: generic api migration and grouping
Date: Mon, 6 Jun 2011 17:35:57 +0200 [thread overview]
Message-ID: <20110606153557.GE1953@amd.com> (raw)
In-Reply-To: <BANLkTi=i2s-Ujiy4qn_XQv+9dMjUC9R66A@mail.gmail.com>
On Mon, Jun 06, 2011 at 11:15:30AM -0400, Ohad Ben-Cohen wrote:
> This is insufficient; users need somehow to tell what page sizes are
> supported by the underlying hardware (we can't assume host page-sizes,
> and we want to use bigger pages whenever possible, to relax the TLB
> pressure).
/
What does the IOMMU-API user need this info for? On the x86 IOMMUs these
details are handled transparently by the IOMMU driver.
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
WARNING: multiple messages have this Message-ID (diff)
From: Joerg.Roedel@amd.com (Roedel, Joerg)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 0/6] iommu: generic api migration and grouping
Date: Mon, 6 Jun 2011 17:35:57 +0200 [thread overview]
Message-ID: <20110606153557.GE1953@amd.com> (raw)
In-Reply-To: <BANLkTi=i2s-Ujiy4qn_XQv+9dMjUC9R66A@mail.gmail.com>
On Mon, Jun 06, 2011 at 11:15:30AM -0400, Ohad Ben-Cohen wrote:
> This is insufficient; users need somehow to tell what page sizes are
> supported by the underlying hardware (we can't assume host page-sizes,
> and we want to use bigger pages whenever possible, to relax the TLB
> pressure).
/
What does the IOMMU-API user need this info for? On the x86 IOMMUs these
details are handled transparently by the IOMMU driver.
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
next prev parent reply other threads:[~2011-06-06 15:35 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 22:27 [RFC 0/6] iommu: generic api migration and grouping Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 1/6] omap: iommu: generic iommu api migration Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-07 9:22 ` Laurent Pinchart
2011-06-07 9:22 ` Laurent Pinchart
2011-06-07 9:22 ` Laurent Pinchart
2011-06-07 11:19 ` Ohad Ben-Cohen
2011-06-07 11:19 ` Ohad Ben-Cohen
2011-06-07 11:19 ` Ohad Ben-Cohen
2011-06-07 11:40 ` Laurent Pinchart
2011-06-07 11:40 ` Laurent Pinchart
2011-06-07 12:27 ` Ohad Ben-Cohen
2011-06-07 12:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 2/6] omap: iovmm: " Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-07 9:05 ` Laurent Pinchart
2011-06-07 9:05 ` Laurent Pinchart
2011-06-07 10:28 ` Ohad Ben-Cohen
2011-06-07 10:28 ` Ohad Ben-Cohen
2011-06-07 11:26 ` Laurent Pinchart
2011-06-07 11:26 ` Laurent Pinchart
2011-06-07 13:46 ` Ohad Ben-Cohen
2011-06-07 13:46 ` Ohad Ben-Cohen
2011-06-08 10:46 ` Laurent Pinchart
2011-06-08 10:46 ` Laurent Pinchart
2011-06-09 6:42 ` Ohad Ben-Cohen
2011-06-09 6:42 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 3/6] media: omap3isp: " Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 4/6] drivers: iommu: move to a dedicated folder Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 5/6] omap: iommu/iovmm: move to dedicated iommu folder Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 22:27 ` [RFC 6/6] msm: iommu: move to dedicated iommu drivers folder Ohad Ben-Cohen
2011-06-02 22:27 ` Ohad Ben-Cohen
2011-06-02 23:57 ` [RFC 0/6] iommu: generic api migration and grouping Kyungmin Park
2011-06-02 23:57 ` Kyungmin Park
2011-06-05 19:43 ` Ohad Ben-Cohen
2011-06-05 19:43 ` Ohad Ben-Cohen
2011-06-03 15:53 ` Arnd Bergmann
2011-06-03 15:53 ` Arnd Bergmann
2011-06-05 19:39 ` Ohad Ben-Cohen
2011-06-05 19:39 ` Ohad Ben-Cohen
2011-06-06 9:10 ` Arnd Bergmann
2011-06-06 9:10 ` Arnd Bergmann
2011-06-06 15:17 ` Ohad Ben-Cohen
2011-06-06 15:17 ` Ohad Ben-Cohen
2011-06-03 20:26 ` Ohad Ben-Cohen
2011-06-06 10:09 ` Roedel, Joerg
2011-06-06 10:09 ` Roedel, Joerg
2011-06-06 15:15 ` Ohad Ben-Cohen
2011-06-06 15:15 ` Ohad Ben-Cohen
2011-06-06 15:15 ` Ohad Ben-Cohen
2011-06-06 15:35 ` Roedel, Joerg [this message]
2011-06-06 15:35 ` Roedel, Joerg
2011-06-06 16:36 ` Ohad Ben-Cohen
2011-06-06 16:36 ` Ohad Ben-Cohen
2011-06-06 19:20 ` Roedel, Joerg
2011-06-06 19:20 ` Roedel, Joerg
2011-06-06 19:20 ` Roedel, Joerg
2011-06-06 20:09 ` Ohad Ben-Cohen
2011-06-06 20:09 ` Ohad Ben-Cohen
2011-06-07 7:52 ` Roedel, Joerg
2011-06-07 7:52 ` Roedel, Joerg
2011-06-07 9:22 ` Ohad Ben-Cohen
2011-06-07 9:22 ` Ohad Ben-Cohen
2011-06-07 9:22 ` Ohad Ben-Cohen
2011-06-07 9:58 ` Roedel, Joerg
2011-06-07 9:58 ` Roedel, Joerg
2011-06-07 10:30 ` Ohad Ben-Cohen
2011-06-07 10:30 ` Ohad Ben-Cohen
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