From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Cc: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>,
alex@shazbot.org, bhelgaas@google.com, jjohnson@kernel.org,
johannes@sipsolutions.net, mani@kernel.org, yishaih@nvidia.com,
skolothumtho@nvidia.com, kevin.tian@intel.com,
linux-pci@vger.kernel.org, kvm@vger.kernel.org,
linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
ath12k@lists.infradead.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Baochen Qiang <baochen.qiang@oss.qualcomm.com>,
Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
Subject: Re: [PATCH v2 0/7] Enable Qualcomm WiFi PCIe passthrough to VMs
Date: Mon, 12 Oct 2026 11:48:35 -0300 [thread overview]
Message-ID: <20261012144835.GG14213@ziepe.ca> (raw)
In-Reply-To: <b1a3f755-19e3-407e-b8f8-b494de83f59a@oss.qualcomm.com>
On Sun, Oct 11, 2026 at 11:22:26AM -0700, Jeff Johnson wrote:
> Thank you for providing this level of detail in your cover letter. I've raised
> this issue with the engineering team in the past, but I've once again raised
> the issue with your in-depth analysis.
The main issue here is the driver can't use a normal MSI-X in the
normal MSI-X table.
"private" MSI registers don't work for virtualization.
Jason
prev parent reply other threads:[~2026-10-12 14:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-11 7:45 [PATCH v2 0/7] Enable Qualcomm WiFi PCIe passthrough to VMs Jose Ignacio Tornos Martinez
2026-10-11 7:45 ` [PATCH v2 1/7] PCI: Add pci_find_free_ext_cap_offset() helper Jose Ignacio Tornos Martinez
2026-10-11 7:57 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 2/7] vfio: Add qcom_vfio.h header for MSI cache protocol Jose Ignacio Tornos Martinez
2026-10-11 7:59 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 3/7] vfio/pci: Add qcom-vfio-pci variant driver Jose Ignacio Tornos Martinez
2026-10-11 8:07 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 4/7] ath11k: add PCIe link recovery retry Jose Ignacio Tornos Martinez
2026-10-11 7:59 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 5/7] ath11k: Use VFIO MSI cache when available Jose Ignacio Tornos Martinez
2026-10-11 8:04 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 6/7] ath12k: add PCIe link recovery retry Jose Ignacio Tornos Martinez
2026-10-11 8:05 ` sashiko-bot
2026-10-11 7:45 ` [PATCH v2 7/7] ath12k: Use VFIO MSI cache when available Jose Ignacio Tornos Martinez
2026-10-11 8:02 ` sashiko-bot
2026-10-11 18:22 ` [PATCH v2 0/7] Enable Qualcomm WiFi PCIe passthrough to VMs Jeff Johnson
2026-10-12 14:48 ` Jason Gunthorpe [this message]
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=20261012144835.GG14213@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=alex@shazbot.org \
--cc=ath11k@lists.infradead.org \
--cc=ath12k@lists.infradead.org \
--cc=baochen.qiang@oss.qualcomm.com \
--cc=bhelgaas@google.com \
--cc=jeff.johnson@oss.qualcomm.com \
--cc=jjohnson@kernel.org \
--cc=johannes@sipsolutions.net \
--cc=jtornosm@redhat.com \
--cc=kevin.tian@intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=mani@kernel.org \
--cc=rameshkumar.sundaram@oss.qualcomm.com \
--cc=skolothumtho@nvidia.com \
--cc=yishaih@nvidia.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