From 2dc27b19fd8a17b23b112e84b9d7286d8c5f30ca Mon Sep 17 00:00:00 2001 From: Kunkun Jiang 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 --- 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