linux-kernel - [PATCH] vfio/iommu_type1: Remove unused pinned_page_dirty_scope in vfio

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Message-ID: <20210412024415.30676-1-zhukeqian1@huawei.com>
Date:   Mon, 12 Apr 2021 10:44:15 +0800
From:   Keqian Zhu <zhukeqian1@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <kvm@...r.kernel.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>
CC:     <wanghaibin.wang@...wei.com>, <jiangkunkun@...wei.com>,
        <yuzenghui@...wei.com>, <lushenming@...wei.com>
Subject: [PATCH] vfio/iommu_type1: Remove unused pinned_page_dirty_scope in vfio_iommu

pinned_page_dirty_scope is optimized out by commit 010321565a7d
("vfio/iommu_type1: Mantain a counter for non_pinned_groups"),
but appears again due to some issues during merging branches.
We can safely remove it here.

Signed-off-by: Keqian Zhu <zhukeqian1@...wei.com>
---

However, I'm not clear about the root problem. Is there a bug in git?

---
 drivers/vfio/vfio_iommu_type1.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 45cbfd4879a5..4d1f10a33d74 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -77,7 +77,6 @@ struct vfio_iommu {
 	bool			v2;
 	bool			nesting;
 	bool			dirty_page_tracking;
-	bool			pinned_page_dirty_scope;
 	bool			container_open;
 };
 
-- 
2.19.1