linux-kernel - [PATCH 0/7] vfio: iommu_type1: Some fixes and optimization

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Date:   Thu, 10 Dec 2020 15:34:18 +0800
From:   Keqian Zhu <zhukeqian1@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <kvm@...r.kernel.org>,
        <kvmarm@...ts.cs.columbia.edu>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>
CC:     Joerg Roedel <joro@...tes.org>,
        Catalin Marinas <catalin.marinas@....com>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexios Zavras <alexios.zavras@...el.com>,
        <wanghaibin.wang@...wei.com>, <jiangkunkun@...wei.com>,
        Keqian Zhu <zhukeqian1@...wei.com>
Subject: [PATCH 0/7] vfio: iommu_type1: Some fixes and optimization

Hi folks,

This patch series aim to fix up or optimize some code about vfio
dirty log tracking.

patch   1: Optimize dirty log when unwind pin pages.
patch 2-3: Optimize promoting pinned_page_dirty_scope.
patch   4: Fix up dirty log missing when promote pinned_page_dirty_scope.
patch 5-7: Drop superfluous parameter "pgsize" of some functions.

Wish they improves the robustness of vfio dirty log tracking.

Thanks,
Keqian

Keqian Zhu (7):
  vfio: iommu_type1: Clear added dirty bit when unwind pin
  vfio: iommu_type1: Initially set the pinned_page_dirty_scope
  vfio: iommu_type1: Make an explicit "promote" semantic
  vfio: iommu_type1: Fix missing dirty page when promote pinned_scope
  vfio: iommu_type1: Drop parameter "pgsize" of
    vfio_dma_bitmap_alloc_all
  vfio: iommu_type1: Drop parameter "pgsize" of vfio_iova_dirty_bitmap.
  vfio: iommu_type1: Drop parameter "pgsize" of update_user_bitmap

 drivers/vfio/vfio_iommu_type1.c | 108 +++++++++++++++++++-------------
 1 file changed, 65 insertions(+), 43 deletions(-)

-- 
2.23.0