x86, xen: degrade BUG to WARN when multicall fails

If one of the components of a multicall fails, WARN rather than BUG,
to help with debugging.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index 82f2513..6cffd55 100644 (file)
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -179,7 +179,7 @@ void xen_mc_flush(void)
        }
        b->cbidx = 0;
 
-       BUG_ON(ret);
+       WARN_ON(ret);
 }
 
 struct multicall_space __xen_mc_entry(size_t args)