perf report: Switch filtered from u8 to u16

We already have all u8 bits taken, adding one more filter leads to unpleasant
failure mode, where code compiles w/o warnings, but the last filters silently
don't work. Add a typedef and switch to u16.

Signed-off-by: Dmitry Vyukov <[e-mail]>
Reviewed-by: Andi Kleen <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Namhyung Kim <[e-mail]>

tools/perf/util/addr_location.h

···
 	const char    *srcline;
 	u64	      addr;
 	char	      level;
-	u8	      filtered;
 	u8	      cpumode;
+	u16	      filtered;
 	s32	      cpu;
 	s32	      socket;
 	/* Same as machine.parallelism but within [1, nr_cpus]. */

tools/perf/util/hist.c

···
 	return he;
 }
 
-static u8 symbol__parent_filter(const struct symbol *parent)
+static filter_mask_t symbol__parent_filter(const struct symbol *parent)
 {
 	if (symbol_conf.exclude_other && parent == NULL)
 		return 1 << HIST_FILTER__PARENT;

tools/perf/util/hist.h

···
 	HIST_FILTER__C2C,
 };
 
+typedef u16 filter_mask_t;
+
 enum hist_column {
 	HISTC_SYMBOL,
 	HISTC_TIME,
···
 	bool			leaf;
 
 	char			level;
-	u8			filtered;
+	filter_mask_t		filtered;
 
 	u16			callchain_size;
 	union {