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[PATCH v2 10/12] vfio/common: Move VFIO reset handler registration to a
From: |
Zhenzhong Duan |
Subject: |
[PATCH v2 10/12] vfio/common: Move VFIO reset handler registration to a group agnostic function |
Date: |
Tue, 26 Sep 2023 19:32:53 +0800 |
Move the reset handler registration/unregistration to a place that is not
group specific. vfio_[get/put]_address_space are the best places for that
purpose.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
hw/vfio/common.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 65516b319e..12ebf2f11d 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -1909,6 +1909,10 @@ static VFIOAddressSpace
*vfio_get_address_space(AddressSpace *as)
space->as = as;
QLIST_INIT(&space->containers);
+ if (QLIST_EMPTY(&vfio_address_spaces)) {
+ qemu_register_reset(vfio_reset_handler, NULL);
+ }
+
QLIST_INSERT_HEAD(&vfio_address_spaces, space, list);
return space;
@@ -1920,6 +1924,9 @@ static void vfio_put_address_space(VFIOAddressSpace
*space)
QLIST_REMOVE(space, list);
g_free(space);
}
+ if (QLIST_EMPTY(&vfio_address_spaces)) {
+ qemu_unregister_reset(vfio_reset_handler, NULL);
+ }
}
/*
@@ -2385,10 +2392,6 @@ static VFIOGroup *vfio_get_group(int groupid,
AddressSpace *as, Error **errp)
goto close_fd_exit;
}
- if (QLIST_EMPTY(&vfio_group_list)) {
- qemu_register_reset(vfio_reset_handler, NULL);
- }
-
QLIST_INSERT_HEAD(&vfio_group_list, group, next);
return group;
@@ -2417,10 +2420,6 @@ static void vfio_put_group(VFIOGroup *group)
trace_vfio_put_group(group->fd);
close(group->fd);
g_free(group);
-
- if (QLIST_EMPTY(&vfio_group_list)) {
- qemu_unregister_reset(vfio_reset_handler, NULL);
- }
}
struct vfio_device_info *vfio_get_device_info(int fd)
--
2.34.1
- Re: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, (continued)
- Re: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, Eric Auger, 2023/09/27
- RE: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, Duan, Zhenzhong, 2023/09/27
- Re: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, Eric Auger, 2023/09/27
- RE: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, Duan, Zhenzhong, 2023/09/27
- Re: [PATCH v2 08/12] vfio/ap: Use vfio_[attach/detach]_device, Eric Auger, 2023/09/27
[PATCH v2 09/12] vfio/ccw: Use vfio_[attach/detach]_device, Zhenzhong Duan, 2023/09/26
[PATCH v2 10/12] vfio/common: Move VFIO reset handler registration to a group agnostic function,
Zhenzhong Duan <=
[PATCH v2 07/12] vfio/platform: Use vfio_[attach/detach]_device, Zhenzhong Duan, 2023/09/26
[PATCH v2 11/12] vfio/common: Introduce two kinds of VFIO device lists, Zhenzhong Duan, 2023/09/26
[PATCH v2 12/12] vfio/common: Move legacy VFIO backend code into separate container.c, Zhenzhong Duan, 2023/09/26