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