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Message-Id: <1443076656-31776-10-git-send-email-bhe@redhat.com> Date: Thu, 24 Sep 2015 14:37:35 +0800 From: Baoquan He <bhe@...hat.com> To: joro@...tes.org, iommu@...ts.linux-foundation.org Cc: kexec@...ts.infradead.org, linux-kernel@...r.kernel.org, Baoquan He <bhe@...hat.com> Subject: [PATCH 09/10] iommu/amd: Clear the iommu pre enabled setting In the first Now any change of domain can be updated to dev tables and io page table Signed-off-by: Baoquan He <bhe@...hat.com> --- drivers/iommu/amd_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index aee1ae4..1e86f4c 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2469,6 +2469,8 @@ static dma_addr_t __map_single(struct device *dev, unsigned long align_mask = 0; int i; + if (translation_pre_enabled()) + clear_translation_pre_enabled(); pages = iommu_num_pages(paddr, size, PAGE_SIZE); paddr &= PAGE_MASK; -- 2.4.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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