From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
Evan Green <evgreen@chromium.org>, Tomasz Figa <tfiga@google.com>,
<linux-mediatek@lists.infradead.org>,
<srv_heupstream@mediatek.com>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<iommu@lists.linux-foundation.org>, <yong.wu@mediatek.com>,
<youlin.pei@mediatek.com>,
Nicolas Boichat <drinkcat@chromium.org>, <anan.sun@mediatek.com>,
<chao.hao@mediatek.com>, Greg Kroah-Hartman <gregkh@google.com>,
<kernel-team@android.com>
Subject: [PATCH v4 07/24] iommu/io-pgtable-arm-v7s: Use ias to check the valid iova in unmap
Date: Wed, 11 Nov 2020 20:38:21 +0800 [thread overview]
Message-ID: <20201111123838.15682-8-yong.wu@mediatek.com> (raw)
In-Reply-To: <20201111123838.15682-1-yong.wu@mediatek.com>
Use the ias for the valid iova checking in arm_v7s_unmap. This is a
preparing patch for supporting iova 34bit for MediaTek.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
drivers/iommu/io-pgtable-arm-v7s.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index a688f22cbe3b..e880745ab1e8 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -717,7 +717,7 @@ static size_t arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova,
{
struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
- if (WARN_ON(upper_32_bits(iova)))
+ if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias)))
return 0;
return __arm_v7s_unmap(data, gather, iova, size, 1, data->pgd);
--
2.18.0
next prev parent reply other threads:[~2020-11-11 12:39 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-11 12:38 [PATCH v4 00/24] MT8192 IOMMU support Yong Wu
2020-11-11 12:38 ` [PATCH v4 01/24] dt-bindings: iommu: mediatek: Convert IOMMU to DT schema Yong Wu
2020-11-16 17:43 ` Rob Herring
2020-11-11 12:38 ` [PATCH v4 02/24] dt-bindings: memory: mediatek: Add a common larb-port header file Yong Wu
2020-11-11 21:30 ` Krzysztof Kozlowski
2020-11-11 12:38 ` [PATCH v4 03/24] dt-bindings: memory: mediatek: Extend LARB_NR_MAX to 32 Yong Wu
2020-11-11 21:30 ` Krzysztof Kozlowski
2020-11-11 12:38 ` [PATCH v4 04/24] dt-bindings: memory: mediatek: Add domain definition Yong Wu
2020-11-11 21:30 ` Krzysztof Kozlowski
2020-11-16 17:44 ` Rob Herring
2020-11-11 12:38 ` [PATCH v4 05/24] dt-bindings: mediatek: Add binding for mt8192 IOMMU Yong Wu
2020-11-11 21:33 ` Krzysztof Kozlowski
2020-11-12 2:41 ` Yong Wu
2020-11-11 12:38 ` [PATCH v4 06/24] iommu/mediatek: Use the common mtk-smi-larb-port.h Yong Wu
2020-11-11 21:33 ` Krzysztof Kozlowski
2020-11-11 12:38 ` Yong Wu [this message]
2020-11-26 15:41 ` [PATCH v4 07/24] iommu/io-pgtable-arm-v7s: Use ias to check the valid iova in unmap Robin Murphy
2020-11-11 12:38 ` [PATCH v4 08/24] iommu/io-pgtable-arm-v7s: Extend PA34 for MediaTek Yong Wu
2020-11-26 15:49 ` Robin Murphy
2020-11-11 12:38 ` [PATCH v4 09/24] iommu/io-pgtable-arm-v7s: Clear LVL_SHIFT/BITS macro instead of the formula Yong Wu
2020-11-26 16:03 ` Robin Murphy
2020-11-27 6:21 ` Yong Wu
2020-11-11 12:38 ` [PATCH v4 10/24] iommu/io-pgtable-arm-v7s: Add cfg as a param in some macros Yong Wu
2020-11-26 16:09 ` Robin Murphy
2020-11-11 12:38 ` [PATCH v4 11/24] iommu/io-pgtable-arm-v7s: Quad lvl1 pgtable for MediaTek Yong Wu
2020-11-26 16:15 ` Robin Murphy
2020-11-11 12:38 ` [PATCH v4 12/24] iommu/mediatek: Move hw_init into attach_device Yong Wu
2020-11-26 16:43 ` Robin Murphy
2020-11-27 6:23 ` Yong Wu
2020-11-11 12:38 ` [PATCH v4 13/24] iommu/mediatek: Add device link for smi-common and m4u Yong Wu
2020-11-12 1:10 ` Nicolas Boichat
2020-11-12 2:42 ` Yong Wu
2020-11-11 12:38 ` [PATCH v4 14/24] iommu/mediatek: Add pm runtime callback Yong Wu
2020-11-11 12:38 ` [PATCH v4 15/24] iommu/mediatek: Add power-domain operation Yong Wu
2020-11-11 12:38 ` [PATCH v4 16/24] iommu/mediatek: Add iova reserved function Yong Wu
2020-11-11 12:38 ` [PATCH v4 17/24] iommu/mediatek: Add single domain Yong Wu
2020-11-26 17:11 ` Robin Murphy
2020-11-27 6:21 ` Yong Wu
2020-11-11 12:38 ` [PATCH v4 18/24] iommu/mediatek: Support master use iova over 32bit Yong Wu
2020-11-11 21:34 ` Krzysztof Kozlowski
2020-11-11 12:38 ` [PATCH v4 19/24] iommu/mediatek: Support up to 34bit iova in tlb flush Yong Wu
2020-11-11 12:38 ` [PATCH v4 20/24] iommu/mediatek: Support report iova 34bit translation fault in ISR Yong Wu
2020-11-11 12:38 ` [PATCH v4 21/24] iommu/mediatek: Add support for multi domain Yong Wu
2020-11-11 12:38 ` [PATCH v4 22/24] iommu/mediatek: Adjust the structure Yong Wu
2020-11-11 12:38 ` [PATCH v4 23/24] iommu/mediatek: Add mt8192 support Yong Wu
2020-11-11 12:38 ` [PATCH v4 24/24] MAINTAINERS: Add entry for MediaTek IOMMU Yong Wu
2020-11-11 16:52 ` Chun-Kuang Hu
2020-11-25 12:23 ` [PATCH v4 00/24] MT8192 IOMMU support Will Deacon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201111123838.15682-8-yong.wu@mediatek.com \
--to=yong.wu@mediatek.com \
--cc=anan.sun@mediatek.com \
--cc=chao.hao@mediatek.com \
--cc=devicetree@vger.kernel.org \
--cc=drinkcat@chromium.org \
--cc=evgreen@chromium.org \
--cc=gregkh@google.com \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=kernel-team@android.com \
--cc=krzk@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=srv_heupstream@mediatek.com \
--cc=tfiga@google.com \
--cc=will@kernel.org \
--cc=youlin.pei@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).