From: Jason Gunthorpe <jgg@ziepe.ca>
To: Yu Zhang <zhangyu1@linux.microsoft.com>
Cc: Michael Kelley <mhklinux@outlook.com>,
linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org,
iommu@lists.linux.dev, linux-pci@vger.kernel.org,
linux-arch@vger.kernel.org, wei.liu@kernel.org,
kys@microsoft.com, haiyangz@microsoft.com, decui@microsoft.com,
longli@microsoft.com, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, bhelgaas@google.com,
kwilczynski@kernel.org, lpieralisi@kernel.org, mani@kernel.org,
robh@kernel.org, arnd@arndb.de, jacob.pan@linux.microsoft.com,
tgopinath@linux.microsoft.com,
easwar.hariharan@linux.microsoft.com
Subject: Re: [PATCH v1 4/4] iommu/hyperv: Add page-selective IOTLB flush support
Date: Wed, 20 May 2026 14:29:27 -0300 [thread overview]
Message-ID: <20260520172927.GY7702@ziepe.ca> (raw)
In-Reply-To: <lxmfd2ml5dafkxquuf5i45uqgh6wxl44hlqphu77kvximqrnmi@b3htoyjc6d5z>
On Thu, May 21, 2026 at 01:15:24AM +0800, Yu Zhang wrote:
> 2) Follow what Intel/AMD drivers do: find a single minimal
> 2^N-aligned block that covers the entire range, but may
> over-flush.
If it is plugged straight into a HW invalidation I would do this..
Jason
next prev parent reply other threads:[~2026-05-20 17:29 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 16:24 [PATCH v1 0/4] Hyper-V: Add para-virtualized IOMMU support for Linux guests Yu Zhang
2026-05-11 16:24 ` [PATCH v1 1/4] iommu: Move Hyper-V IOMMU driver to its own subdirectory Yu Zhang
2026-05-15 22:19 ` Jason Gunthorpe
2026-05-20 6:37 ` Yu Zhang
2026-05-20 13:38 ` Jason Gunthorpe
2026-05-11 16:24 ` [PATCH v1 2/4] hyperv: Introduce new hypercall interfaces used by Hyper-V guest IOMMU Yu Zhang
2026-05-12 21:24 ` sashiko-bot
2026-05-11 16:24 ` [PATCH v1 3/4] iommu/hyperv: Add para-virtualized IOMMU support for Hyper-V guest Yu Zhang
2026-05-12 22:30 ` sashiko-bot
2026-05-13 18:39 ` Jacob Pan
2026-05-15 12:38 ` Yu Zhang
2026-05-14 18:13 ` Michael Kelley
2026-05-15 13:59 ` Yu Zhang
2026-05-15 14:51 ` Michael Kelley
2026-05-15 16:53 ` Yu Zhang
2026-05-15 17:36 ` Michael Kelley
2026-05-20 15:50 ` Yu Zhang
2026-05-16 0:11 ` Mukesh R
2026-05-18 9:38 ` Yu Zhang
2026-05-15 22:31 ` Jason Gunthorpe
2026-05-20 15:25 ` Yu Zhang
2026-05-20 18:27 ` Jacob Pan
2026-05-21 12:27 ` Yu Zhang
2026-05-11 16:24 ` [PATCH v1 4/4] iommu/hyperv: Add page-selective IOTLB flush support Yu Zhang
2026-05-12 23:45 ` sashiko-bot
2026-05-14 18:14 ` Michael Kelley
2026-05-14 21:16 ` Michael Kelley
2026-05-15 16:23 ` Yu Zhang
2026-05-15 18:00 ` Michael Kelley
2026-05-15 23:33 ` Michael Kelley
2026-05-20 16:27 ` Yu Zhang
2026-05-15 22:35 ` Jason Gunthorpe
2026-05-20 17:15 ` Yu Zhang
2026-05-20 17:29 ` Jason Gunthorpe [this message]
2026-05-20 19:26 ` Michael Kelley
2026-05-20 20:40 ` Jacob Pan
2026-05-21 15:45 ` Michael Kelley
2026-05-21 14:34 ` Yu Zhang
2026-05-21 15:39 ` Michael Kelley
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=20260520172927.GY7702@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=arnd@arndb.de \
--cc=bhelgaas@google.com \
--cc=decui@microsoft.com \
--cc=easwar.hariharan@linux.microsoft.com \
--cc=haiyangz@microsoft.com \
--cc=iommu@lists.linux.dev \
--cc=jacob.pan@linux.microsoft.com \
--cc=joro@8bytes.org \
--cc=kwilczynski@kernel.org \
--cc=kys@microsoft.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=lpieralisi@kernel.org \
--cc=mani@kernel.org \
--cc=mhklinux@outlook.com \
--cc=robh@kernel.org \
--cc=robin.murphy@arm.com \
--cc=tgopinath@linux.microsoft.com \
--cc=wei.liu@kernel.org \
--cc=will@kernel.org \
--cc=zhangyu1@linux.microsoft.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 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.