qemu/Revert-vfio-common-Avoid-unmap-ram-section-at-vfio_l.patch
yezengruan dec64939c6 Qemu update to version 6.2.0-59
- arm/virt: Fix vcpu hotplug idx_from_topo_ids
- Revert patches related to the vSVA
- sync some bugfix patches from upstream
- add generic vDPA device support

Signed-off-by: yezengruan <yezengruan@huawei.com>
(cherry picked from commit b99dbfd9847104300672fb4f559f1c2abba8aa33)
2022-12-06 09:18:10 +08:00

38 lines
1.2 KiB
Diff

From 2dc27b19fd8a17b23b112e84b9d7286d8c5f30ca Mon Sep 17 00:00:00 2001
From: Kunkun Jiang <jiangkunkun@huawei.com>
Date: Fri, 18 Nov 2022 15:22:25 +0800
Subject: [PATCH 08/36] Revert "vfio/common: Avoid unmap ram section at
vfio_listener_region_del() in nested mode"
This reverts commit 9d7b782a0b2c5288e82f3064b4c5b7bf18887280.
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
hw/vfio/common.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index bdfcc854fe..d05a485808 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -1441,16 +1441,6 @@ static void vfio_listener_region_del(MemoryListener *listener,
}
}
- /*
- * In nested mode, stage 2 (gpa->hpa) and the stage 1
- * (giova->gpa) are set separately. The ram section
- * will be unmapped in vfio_prereg_listener_region_del().
- * Hence it doesn't need to unmap ram section here.
- */
- if (container->iommu_type == VFIO_TYPE1_NESTING_IOMMU) {
- return;
- }
-
/*
* FIXME: We assume the one big unmap below is adequate to
* remove any individual page mappings in the IOMMU which
--
2.27.0