Merge branch 'x86/core' into tracing/textedit

Conflicts:
	arch/x86/Kconfig
	block/blktrace.c
	kernel/irq/handle.c

Semantic conflict:
	kernel/trace/blktrace.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 10 insertions, 5 deletions

diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c
index c738644b5435..8bff7e7c290b 100644
--- a/arch/x86/xen/multicalls.c
+++ b/arch/x86/xen/multicalls.c
@@ -39,6 +39,7 @@ struct mc_buffer {
 	struct multicall_entry entries[MC_BATCH];
 #if MC_DEBUG
 	struct multicall_entry debug[MC_BATCH];
+	void *caller[MC_BATCH];
 #endif
 	unsigned char args[MC_ARGS];
 	struct callback {
@@ -154,11 +155,12 @@ void xen_mc_flush(void)
 			       ret, smp_processor_id());
 			dump_stack();
 			for (i = 0; i < b->mcidx; i++) {
-				printk(KERN_DEBUG "  call %2d/%d: op=%lu arg=[%lx] result=%ld\n",
+				printk(KERN_DEBUG "  call %2d/%d: op=%lu arg=[%lx] result=%ld\t%pF\n",
 				       i+1, b->mcidx,
 				       b->debug[i].op,
 				       b->debug[i].args[0],
-				       b->entries[i].result);
+				       b->entries[i].result,
+				       b->caller[i]);
 			}
 		}
 #endif
@@ -168,8 +170,6 @@ void xen_mc_flush(void)
 	} else
 		BUG_ON(b->argidx != 0);
 
-	local_irq_restore(flags);
-
 	for (i = 0; i < b->cbidx; i++) {
 		struct callback *cb = &b->callbacks[i];
 
@@ -177,7 +177,9 @@ void xen_mc_flush(void)
 	}
 	b->cbidx = 0;
 
-	BUG_ON(ret);
+	local_irq_restore(flags);
+
+	WARN_ON(ret);
 }
 
 struct multicall_space __xen_mc_entry(size_t args)
@@ -197,6 +199,9 @@ struct multicall_space __xen_mc_entry(size_t args)
 	}
 
 	ret.mc = &b->entries[b->mcidx];
+#ifdef MC_DEBUG
+	b->caller[b->mcidx] = __builtin_return_address(0);
+#endif
 	b->mcidx++;
 	ret.args = &b->args[argidx];
 	b->argidx = argidx + args;