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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-12 16:42:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-12 16:42:00 -0800
commitce990f1de0bc6ff3de43d385e0985efa980fba24 (patch)
tree44e2c7054f9cf324a090bb0423d837a4f02d2196 /drivers/xen/gntdev.c
parent64ad9461521b1a357846ef6cedc4bccd48a046e0 (diff)
parent54bb4a91b281e1b21235a4bc175e1293e787c016 (diff)
Merge tag 'for-linus-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross: - a fix for the Xen gntdev driver - a fix for running as Xen dom0 booted via EFI and the EFI framebuffer being located above 4GB - a series for support of mapping other guest's memory by using zone device when running as Xen guest on Arm * tag 'for-linus-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: dt-bindings: xen: Clarify "reg" purpose arm/xen: Read extended regions from DT and init Xen resource xen/unpopulated-alloc: Add mechanism to use Xen resource xen/balloon: Bring alloc(free)_xenballooned_pages helpers back arm/xen: Switch to use gnttab_setup_auto_xlat_frames() for DT xen/unpopulated-alloc: Drop check for virt_addr_valid() in fill_list() xen/x86: obtain upper 32 bits of video frame buffer address for Dom0 xen/gntdev: fix unmap notification order
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index fec1b65371665..59ffea8000791 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -250,13 +250,13 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map)
if (!refcount_dec_and_test(&map->users))
return;
+ if (map->pages && !use_ptemod)
+ unmap_grant_pages(map, 0, map->count);
+
if (map->notify.flags & UNMAP_NOTIFY_SEND_EVENT) {
notify_remote_via_evtchn(map->notify.event);
evtchn_put(map->notify.event);
}
-
- if (map->pages && !use_ptemod)
- unmap_grant_pages(map, 0, map->count);
gntdev_free_map(map);
}