From: Simon Horman <horms@verge.net.au>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Joerg Roedel <joro@8bytes.org>,
Magnus Damm <damm+renesas@opensource.se>,
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
iommu@lists.linux-foundation.org,
linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/6] iommu/ipmmu-vmsa: Prepare to handle 40-bit error addresses
Date: Thu, 11 Apr 2019 10:23:40 +0200 [thread overview]
Message-ID: <20190411082340.rtqnhizeb4njafmk@verge.net.au> (raw)
In-Reply-To: <20190403182148.18058-3-geert+renesas@glider.be>
On Wed, Apr 03, 2019 at 08:21:44PM +0200, Geert Uytterhoeven wrote:
> On R-Car Gen3, the faulting virtual address is a 40-bit address, and
> comprised of two registers. Read the upper address part, and combine
> both parts, when running on a 64-bit system.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> Apart from this, the driver doesn't support 40-bit IOVA addresses yet.
None the less this seems like progress.
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
next prev parent reply other threads:[~2019-04-11 8:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-03 18:21 [PATCH v2 0/6] iommu/ipmmu-vmsa: Suspend/resume support and assorted cleanups Geert Uytterhoeven
2019-04-03 18:21 ` [PATCH v2 1/6] iommu/ipmmu-vmsa: Link IOMMUs and devices in sysfs Geert Uytterhoeven
2019-04-11 8:10 ` Simon Horman
2019-04-11 8:12 ` Simon Horman
2019-04-23 15:01 ` Geert Uytterhoeven
2019-04-03 18:21 ` [PATCH v2 2/6] iommu/ipmmu-vmsa: Prepare to handle 40-bit error addresses Geert Uytterhoeven
2019-04-11 8:23 ` Simon Horman [this message]
2019-04-03 18:21 ` [PATCH v2 3/6] iommu/ipmmu-vmsa: Make IPMMU_CTX_MAX unsigned Geert Uytterhoeven
2019-04-11 8:26 ` Simon Horman
2019-04-03 18:21 ` [PATCH v2 4/6] iommu/ipmmu-vmsa: Move num_utlbs to SoC-specific features Geert Uytterhoeven
2019-04-11 8:32 ` Simon Horman
2019-04-11 8:35 ` Simon Horman
2019-04-03 18:21 ` [PATCH v2 5/6] iommu/ipmmu-vmsa: Extract hardware context initialization Geert Uytterhoeven
2019-04-11 8:34 ` Simon Horman
2019-04-03 18:21 ` [PATCH v2 6/6] iommu/ipmmu-vmsa: Add suspend/resume support Geert Uytterhoeven
2019-04-11 8:39 ` Simon Horman
2019-04-23 15:16 ` Geert Uytterhoeven
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