Update Linux to v5.4.148

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz

Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index e69f449..f2e9d2b 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -595,8 +595,8 @@
 {
 	struct c2c_hist_entry *c2c_left;
 	struct c2c_hist_entry *c2c_right;
-	unsigned int tot_hitm_left;
-	unsigned int tot_hitm_right;
+	uint64_t tot_hitm_left;
+	uint64_t tot_hitm_right;
 
 	c2c_left  = container_of(left, struct c2c_hist_entry, he);
 	c2c_right = container_of(right, struct c2c_hist_entry, he);
@@ -629,7 +629,8 @@
 									\
 	c2c_left  = container_of(left, struct c2c_hist_entry, he);	\
 	c2c_right = container_of(right, struct c2c_hist_entry, he);	\
-	return c2c_left->stats.__f - c2c_right->stats.__f;		\
+	return (uint64_t) c2c_left->stats.__f -				\
+	       (uint64_t) c2c_right->stats.__f;				\
 }
 
 #define STAT_FN(__f)		\
@@ -682,7 +683,8 @@
 	c2c_left  = container_of(left, struct c2c_hist_entry, he);
 	c2c_right = container_of(right, struct c2c_hist_entry, he);
 
-	return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
+	return (uint64_t) llc_miss(&c2c_left->stats) -
+	       (uint64_t) llc_miss(&c2c_right->stats);
 }
 
 static uint64_t total_records(struct c2c_stats *stats)