[PATCH] powerpc, perf: Fix processing conditions for invalid BHRB entries

[Anshuman Khandual]

Fixing some conditions during BHRB entry processing.

Signed-off-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
---
 arch/powerpc/perf/core-book3s.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 09db68d..1de2756 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -1481,25 +1481,25 @@ void power_pmu_bhrb_read(struct cpu_hw_events *cpuhw)
 			target = val & BHRB_TARGET;
 
 			/* Probable Missed entry: Not applicable for POWER8 */
-			if ((addr == 0) && (target == 0) && (pred == 1)) {
+			if ((addr == 0) && (!target) && pred) {
 				r_index++;
 				continue;
 			}
 
 			/* Real Missed entry: Power8 based missed entry */
-			if ((addr == 0) && (target == 1) && (pred == 1)) {
+			if ((addr == 0) && target && pred) {
 				r_index++;
 				continue;
 			}
 
 			/* Reserved condition: Not a valid entry  */
-			if ((addr == 0) && (target == 1) && (pred == 0)) {
+			if ((addr == 0) && target && (!pred)) {
 				r_index++;
 				continue;
 			}
 
 			/* Is a target address */
-			if (val & BHRB_TARGET) {
+			if (target) {
 				/* First address cannot be a target address */
 				if (r_index == 0) {
 					r_index++;
-- 
1.7.11.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/