Messages in this thread | | | From | Yong Wu <> | Subject | [PATCH v5 0/7] Improve tlb range flush | Date | Mon, 4 Nov 2019 15:01:01 +0800 |
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This patchset mainly fixes a tlb flush timeout issue and use the new iommu_gather to re-implement the tlb flush flow. and several clean up patches about the tlb_flush.
change note:
v5: No code change. Only update the commit message of the last patch[7/7] suggested from Tomasz in the internal review.
v4: https://lore.kernel.org/linux-iommu/1571196792-12382-1-git-send-email-yong.wu@mediatek.com/#t 1. Add a new tlb_lock for tlb operations. 2. Delete the pgtlock. 3. Remove the "writel" patch.
v3: https://lore.kernel.org/linux-iommu/1571035101-4213-1-git-send-email-yong.wu@mediatek.com/T/#t 1. Use the gather to implement the tlb_flush suggested from Tomasz. 2. add some clean up patches.
v2: https://lore.kernel.org/linux-iommu/1570627143-29441-1-git-send-email-yong.wu@mediatek.com/T/#t 1. rebase on v5.4-rc1 2. only split to several patches.
v1: https://lore.kernel.org/linux-iommu/CAAFQd5C3U7pZo4SSUJ52Q7E+0FaUoORQFbQC5RhCHBhi=NFYTw@mail.gmail.com/T/#t
Yong Wu (7): iommu/mediatek: Correct the flush_iotlb_all callback iommu/mediatek: Add a new tlb_lock for tlb_flush iommu/mediatek: Use gather to achieve the tlb range flush iommu/mediatek: Delete the leaf in the tlb_flush iommu/mediatek: Move the tlb_sync into tlb_flush iommu/mediatek: Get rid of the pgtlock iommu/mediatek: Reduce the tlb flush timeout value
drivers/iommu/mtk_iommu.c | 88 +++++++++++++++-------------------------------- drivers/iommu/mtk_iommu.h | 2 +- 2 files changed, 29 insertions(+), 61 deletions(-)
-- 1.9.1
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