From: Jason Gunthorpe <jgg@nvidia.com>
To: Pranjal Shrivastava <praan@google.com>
Cc: "Nicolin Chen" <nicolinc@nvidia.com>,
"Will Deacon" <will@kernel.org>, "Joerg Roedel" <joro@8bytes.org>,
"Jean-Philippe Brucker" <jpb@kernel.org>,
"Robin Murphy" <robin.murphy@arm.com>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Mikołaj Lenczewski" <miko.lenczewski@arm.com>,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/arm-smmu-v3-sva: Enable Hardware Access and Hardware Dirty bits
Date: Fri, 8 May 2026 10:27:20 -0300 [thread overview]
Message-ID: <20260508132719.GC9254@nvidia.com> (raw)
In-Reply-To: <af3hWGp3etGOIdEn@google.com>
On Fri, May 08, 2026 at 01:12:56PM +0000, Pranjal Shrivastava wrote:
> Are we assuming that if the SMMU IDR presents HTTU capability the MMU
> would also have it? I think an unconditional enablement is risky as we
> may not have system-wide HTTU support.
Oh, yes! That is missing here it should not be turned on unless the
CPU side is also using it.
Jason
next prev parent reply other threads:[~2026-05-08 13:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-03 13:54 [PATCH] iommu/arm-smmu-v3-sva: Enable Hardware Access and Hardware Dirty bits Nicolin Chen
2026-05-07 22:30 ` Pranjal Shrivastava
2026-05-08 12:35 ` Jason Gunthorpe
2026-05-08 13:12 ` Pranjal Shrivastava
2026-05-08 13:27 ` Jason Gunthorpe [this message]
2026-05-08 13:31 ` Robin Murphy
2026-05-08 13:57 ` Pranjal Shrivastava
2026-05-08 14:24 ` Robin Murphy
2026-05-09 7:56 ` Nicolin Chen
2026-05-11 13:22 ` Pranjal Shrivastava
2026-05-13 11:42 ` Will Deacon
2026-05-13 14:27 ` Pranjal Shrivastava
2026-05-13 14:32 ` Jason Gunthorpe
2026-05-13 17:38 ` Pranjal Shrivastava
2026-05-11 13:21 ` Pranjal Shrivastava
2026-05-19 15:23 ` 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=20260508132719.GC9254@nvidia.com \
--to=jgg@nvidia.com \
--cc=catalin.marinas@arm.com \
--cc=iommu@lists.linux.dev \
--cc=joro@8bytes.org \
--cc=jpb@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=miko.lenczewski@arm.com \
--cc=nicolinc@nvidia.com \
--cc=praan@google.com \
--cc=robin.murphy@arm.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.