From: Jason Gunthorpe <jgg@nvidia.com>
To: Jacob Pan <jacob.pan@linux.microsoft.com>
Cc: linux-kernel@vger.kernel.org,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
"Tian, Kevin" <kevin.tian@intel.com>,
Alex Williamson <alex@shazbot.org>
Subject: Re: [PATCH] iommufd: vfio compatibility extension check for noiommu mode
Date: Mon, 2 Mar 2026 20:29:22 -0400 [thread overview]
Message-ID: <20260303002922.GZ5933@nvidia.com> (raw)
In-Reply-To: <20260213183636.3340-1-jacob.pan@linux.microsoft.com>
On Fri, Feb 13, 2026 at 10:36:36AM -0800, Jacob Pan wrote:
> VFIO_CHECK_EXTENSION should return false for TYPE1_IOMMU variants when
> in NO-IOMMU mode and IOMMUFD compat container is set. This change makes
> the behavior match VFIO_CONTAINER in noiommu mode. It also prevents
> userspace from incorrectly attempting to use TYPE1 IOMMU operations
> in a no-iommu context.
>
> Fixes: d624d6652a65 ("iommufd: vfio container FD ioctl compatibility")
> Signed-off-by: Jacob Pan <jacob.pan@linux.microsoft.com>
> ---
> drivers/iommu/iommufd/vfio_compat.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks
Jason
prev parent reply other threads:[~2026-03-03 0:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-13 18:36 [PATCH] iommufd: vfio compatibility extension check for noiommu mode Jacob Pan
2026-03-03 0:29 ` Jason Gunthorpe [this message]
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