From: Baolu Lu <baolu.lu@linux.intel.com>
To: Alex Williamson <alex.williamson@nvidia.com>,
jgg@nvidia.com, joro@8bytes.org
Cc: kevin.tian@intel.com, robin.murphy@arm.com, will@kernel.org,
iommu@lists.linux.dev
Subject: Re: [PATCH] iommu/vt-d: Restore IOMMU_CAP_CACHE_COHERENCY
Date: Thu, 9 Apr 2026 11:19:03 +0800 [thread overview]
Message-ID: <6ce82bd0-5f19-4dfa-97ca-d0d69b098229@linux.intel.com> (raw)
In-Reply-To: <20260408184443.3077333-1-alex.williamson@nvidia.com>
On 4/9/26 02:44, Alex Williamson wrote:
> In removing IOMMU_CAP_DEFERRED_FLUSH, the below referenced commit
> was over-eager in removing the return, resulting in the test for
> IOMMU_CAP_CACHE_COHERENCY falling through to an irrelevant option.
>
> Restore dropped return.
>
> Fixes: 1c18a1212c77 ("iommu/dma: Always allow DMA-FQ when iommupt provides the iommu_domain")
> Signed-off-by: Alex Williamson<alex.williamson@nvidia.com>
> ---
> drivers/iommu/intel/iommu.c | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
next prev parent reply other threads:[~2026-04-09 3:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-08 18:44 [PATCH] iommu/vt-d: Restore IOMMU_CAP_CACHE_COHERENCY Alex Williamson
2026-04-08 23:49 ` Jason Gunthorpe
2026-04-09 1:46 ` Tian, Kevin
2026-04-09 3:19 ` Baolu Lu [this message]
2026-04-09 13:01 ` Will Deacon
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