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[PATCH] make vfio and DAX cache work together by skipping virtio fs cach
From: |
Edge NFV |
Subject: |
[PATCH] make vfio and DAX cache work together by skipping virtio fs cache section during vfio memory region add |
Date: |
Mon, 26 Apr 2021 01:58:29 -0700 |
Signed-off-by: Edge NFV <edgenfv@gmail.com>
---
hw/vfio/common.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index ae5654fcdb..83e15bf7a3 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -668,6 +668,15 @@ static void vfio_listener_region_add(MemoryListener
*listener,
int128_get64(int128_sub(section->size, int128_one())));
return;
}
+
+ /* Do not add virtio fs cache section */
+ if (!strcmp(memory_region_name(section->mr), "virtio-fs-cache")) {
+ trace_vfio_listener_region_add_skip(
+ section->offset_within_address_space,
+ section->offset_within_address_space +
+ int128_get64(int128_sub(section->size, int128_one())));
+ return;
+ }
if (unlikely((section->offset_within_address_space &
~qemu_real_host_page_mask) !=
--
2.25.1
- [PATCH] make vfio and DAX cache work together by skipping virtio fs cache section during vfio memory region add,
Edge NFV <=