diff --git a/[refs] b/[refs]
index e74e62debc79..72d028f6f3c4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8bbd9f04b7d982d1c6aeb5c08f5983b3d0b9e2fe
+refs/heads/master: 53d5defcfa8c9603554a3174cbe206fb69f6e8ef
diff --git a/trunk/arch/arm64/kernel/perf_event.c b/trunk/arch/arm64/kernel/perf_event.c
index 1e49e5eb81e9..9ba33c40cdf8 100644
--- a/trunk/arch/arm64/kernel/perf_event.c
+++ b/trunk/arch/arm64/kernel/perf_event.c
@@ -1336,6 +1336,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry,
 		return;
 	}
 
+	perf_callchain_store(entry, regs->pc);
 	tail = (struct frame_tail __user *)regs->regs[29];
 
 	while (entry->nr < PERF_MAX_STACK_DEPTH &&
diff --git a/trunk/arch/tile/lib/exports.c b/trunk/arch/tile/lib/exports.c
index 4385cb6fa00a..a93b02a25222 100644
--- a/trunk/arch/tile/lib/exports.c
+++ b/trunk/arch/tile/lib/exports.c
@@ -84,4 +84,6 @@ uint64_t __ashrdi3(uint64_t, unsigned int);
 EXPORT_SYMBOL(__ashrdi3);
 uint64_t __ashldi3(uint64_t, unsigned int);
 EXPORT_SYMBOL(__ashldi3);
+int __ffsdi2(uint64_t);
+EXPORT_SYMBOL(__ffsdi2);
 #endif