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IOMMU Fix for Linux v6.6-rc7

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- Fix boot regression for Sapphire Rapids with Intel VT-d driver
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Merge tag 'iommu-fix-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:

 - Fix boot regression for Sapphire Rapids with Intel VT-d driver

* tag 'iommu-fix-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu: Avoid unnecessary cache invalidations
This commit is contained in:
Linus Torvalds 2023-10-27 05:43:05 -10:00
commit 888cf78c29
1 changed files with 2 additions and 1 deletions
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3
drivers/iommu/iommu.c
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@ -1108,7 +1108,8 @@ map_end:
}
iommu_flush_iotlb_all(domain);
if (!list_empty(&mappings) && iommu_is_dma_domain(domain))
iommu_flush_iotlb_all(domain);
out:
iommu_put_resv_regions(dev, &mappings);