From: Nicolin Chen <nicolinc@nvidia.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <joro@8bytes.org>,
<jpb@kernel.org>, <praan@google.com>, <smostafa@google.com>,
<linux-arm-kernel@lists.infradead.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
<jonathan.cameron@huawei.com>
Subject: Re: [PATCH v4 03/10] iommu/arm-smmu-v3: Store IOTLB cache tags in struct arm_smmu_attach_state
Date: Fri, 10 Apr 2026 16:04:46 -0700 [thread overview]
Message-ID: <admCDgkdabtx7iFk@Asurada-Nvidia> (raw)
In-Reply-To: <20260410214115.GC2588311@nvidia.com>
On Fri, Apr 10, 2026 at 06:41:15PM -0300, Jason Gunthorpe wrote:
> On Fri, Apr 10, 2026 at 02:23:48PM -0700, Nicolin Chen wrote:
>
> > Reworking the SVA code, I found arm_smmu_update_s1_domain_cd_entry
> > is marked as __maybe_unused and not getting called anywhere(?). Do
> > you recall why we kept it?
>
> I intended to send the vBTM support that uses it, and now that this is
> done it can work properly without races. So lets hang on, I was
> meaning to look at that soon
OK. I assume its caller would hold arm_smmu_asid_mutex, because
it's calling arm_smmu_find_iotlb_tag() now.
Thanks
Nicolin
next prev parent reply other threads:[~2026-04-10 23:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-19 19:51 [PATCH v4 00/10] iommu/arm-smmu-v3: Share domain across SMMU/vSMMU instances Nicolin Chen
2026-03-19 19:51 ` [PATCH v4 01/10] iommu/arm-smmu-v3: Add a wrapper for arm_smmu_make_sva_cd() Nicolin Chen
2026-04-09 23:14 ` Jason Gunthorpe
2026-03-19 19:51 ` [PATCH v4 02/10] iommu/arm-smmu-v3: Pass in arm_smmu_make_cd_fn to arm_smmu_set_pasid() Nicolin Chen
2026-04-09 23:17 ` Jason Gunthorpe
2026-03-19 19:51 ` [PATCH v4 03/10] iommu/arm-smmu-v3: Store IOTLB cache tags in struct arm_smmu_attach_state Nicolin Chen
2026-04-09 23:42 ` Jason Gunthorpe
2026-04-10 18:52 ` Nicolin Chen
2026-04-10 20:47 ` Jason Gunthorpe
2026-04-10 21:23 ` Nicolin Chen
2026-04-10 21:41 ` Jason Gunthorpe
2026-04-10 23:04 ` Nicolin Chen [this message]
2026-03-19 19:51 ` [PATCH v4 04/10] iommu/arm-smmu-v3: Pass in IOTLB cache tag to arm_smmu_master_build_invs() Nicolin Chen
2026-04-09 23:43 ` Jason Gunthorpe
2026-03-19 19:51 ` [PATCH v4 05/10] iommu/arm-smmu-v3: Pass in IOTLB cache tag to CD and STE Nicolin Chen
2026-03-19 19:51 ` [PATCH v4 06/10] iommu/arm-smmu-v3: Introduce INV_TYPE_S2_VMID_VSMMU Nicolin Chen
2026-04-09 23:59 ` Jason Gunthorpe
2026-04-10 22:32 ` Nicolin Chen
2026-03-19 19:51 ` [PATCH v4 07/10] iommu/arm-smmu-v3: Allocate IOTLB cache tag if no id to reuse Nicolin Chen
2026-04-10 0:04 ` Jason Gunthorpe
2026-03-19 19:51 ` [PATCH v4 08/10] iommu/arm-smmu-v3: Allocate INV_TYPE_S2_VMID_VSMMU in arm_vsmmu_init Nicolin Chen
2026-04-10 0:19 ` Jason Gunthorpe
2026-03-19 19:51 ` [PATCH v4 09/10] iommu/arm-smmu-v3: Remove ASID/VMID from arm_smmu_domain Nicolin Chen
2026-04-10 0:27 ` Jason Gunthorpe
2026-04-10 22:06 ` Nicolin Chen
2026-04-10 23:25 ` Jason Gunthorpe
2026-04-11 0:06 ` Nicolin Chen
2026-03-19 19:51 ` [PATCH v4 10/10] iommu/arm-smmu-v3: Allow sharing domain across SMMUs Nicolin Chen
2026-04-10 0:32 ` Jason Gunthorpe
2026-04-10 0:36 ` Jason Gunthorpe
2026-04-10 1:18 ` Nicolin Chen
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=admCDgkdabtx7iFk@Asurada-Nvidia \
--to=nicolinc@nvidia.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@nvidia.com \
--cc=jonathan.cameron@huawei.com \
--cc=joro@8bytes.org \
--cc=jpb@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=praan@google.com \
--cc=robin.murphy@arm.com \
--cc=smostafa@google.com \
--cc=will@kernel.org \
/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