From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 14 Jan 2011 23:36:26 +0000 (+1100)
Subject: xen: export arbitrary_virt_to_machine
X-Git-Tag: firefly_0821_release~7613^2~2687
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=de23be5f3580f7b9b52cad6633bb3a3cd13abafe;p=firefly-linux-kernel-4.4.55.git

xen: export arbitrary_virt_to_machine

Fixes this build error:

 ERROR: "arbitrary_virt_to_machine" [drivers/xen/xen-gntdev.ko] undefined!

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 7575e55cd52e..5e92b61ad574 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -201,6 +201,7 @@ xmaddr_t arbitrary_virt_to_machine(void *vaddr)
 	offset = address & ~PAGE_MASK;
 	return XMADDR(((phys_addr_t)pte_mfn(*pte) << PAGE_SHIFT) + offset);
 }
+EXPORT_SYMBOL_GPL(arbitrary_virt_to_machine);
 
 void make_lowmem_page_readonly(void *vaddr)
 {