From: Jason Gunthorpe <jgg@nvidia.com>
To: Baolu Lu <baolu.lu@linux.intel.com>
Cc: "Bjorn Helgaas" <helgaas@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Joerg Roedel" <jroedel@suse.de>,
"Matt Fagnani" <matt.fagnani@bell.net>,
"Christian König" <christian.koenig@amd.com>,
"Kevin Tian" <kevin.tian@intel.com>,
"Vasant Hegde" <vasant.hegde@amd.com>,
"Tony Zhu" <tony.zhu@intel.com>,
linux-pci@vger.kernel.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/1] PCI: Add translated request only flag for pci_enable_pasid()
Date: Wed, 1 Feb 2023 10:22:58 -0400 [thread overview]
Message-ID: <Y9p1wqicUQOfQ3B5@nvidia.com> (raw)
In-Reply-To: <9c34747e-453f-8344-e7f2-cc24669160ec@linux.intel.com>
On Wed, Feb 01, 2023 at 02:31:04PM +0800, Baolu Lu wrote:
> > This change doesn't feel safe for all possible devices that have a
> > PASID Capability because we don't know whether they*always* use
> > Translated addresses with PASID TLPs.
>
> I tend to think you are right. :-)
This is why we discussed moving the pci_enable_pasid() into drivers
and out of the core iommu code as a followup
Jason
prev parent reply other threads:[~2023-02-01 14:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-14 7:34 [PATCH v3 1/1] PCI: Add translated request only flag for pci_enable_pasid() Lu Baolu
2023-01-16 15:42 ` Jason Gunthorpe
2023-01-27 11:30 ` Linux kernel regression tracking (Thorsten Leemhuis)
2023-01-27 17:30 ` Bjorn Helgaas
2023-01-28 7:52 ` Tian, Kevin
2023-01-29 8:42 ` Baolu Lu
2023-01-30 18:38 ` Bjorn Helgaas
2023-01-30 18:47 ` Jason Gunthorpe
2023-01-31 23:50 ` Bjorn Helgaas
2023-02-01 2:28 ` Jason Gunthorpe
2023-01-31 12:25 ` Baolu Lu
2023-02-01 16:58 ` Bjorn Helgaas
2023-02-02 3:08 ` Baolu Lu
2023-02-02 20:12 ` Bjorn Helgaas
2023-02-02 20:45 ` Jason Gunthorpe
2023-02-03 18:20 ` Bjorn Helgaas
2023-02-03 18:52 ` Jason Gunthorpe
2023-02-06 4:28 ` Tian, Kevin
2023-01-31 12:56 ` Baolu Lu
2023-02-01 0:14 ` Bjorn Helgaas
2023-02-01 2:36 ` Jason Gunthorpe
2023-02-01 14:09 ` Jonathan Cameron
2023-02-01 5:18 ` Vasant Hegde
2023-02-01 5:51 ` Baolu Lu
2023-02-01 5:59 ` Baolu Lu
2023-02-01 6:31 ` Baolu Lu
2023-02-01 14:22 ` Jason Gunthorpe [this message]
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