UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

xen: Convert kmap() to kmap_local_page() 

kmap() is being deprecated and these usages are all local to the thread
so there is no reason kmap_local_page() can't be used.

Replace kmap() calls with kmap_local_page().

Signed-off-by: Alaa Mohamed <eng.alaamohamedsoliman.am@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220419234328.10346-1-eng.alaamohamedsoliman.am@gmail.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Alaa Mohamed 2022-04-20 01:43:28 +02:00 committed by Boris Ostrovsky
parent 262fc47ac1
commit f31076a6b2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/xen/gntalloc.c
View File

@ -178,9 +178,9 @@ static void __del_gref(struct gntalloc_gref *gref)
unsigned long addr;
if (gref->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) {
uint8_t *tmp = kmap(gref->page);
uint8_t *tmp = kmap_local_page(gref->page);
tmp[gref->notify.pgoff] = 0;
kunmap(gref->page);
kunmap_local(tmp);
}
if (gref->notify.flags & UNMAP_NOTIFY_SEND_EVENT) {
notify_remote_via_evtchn(gref->notify.event);