[v2,08/20] arm: perf/core: remove unnecessary checks for exclusion

Message ID 1543230756-15319-9-git-send-email-andrew.murray@arm.com
State New
Headers show
Series
  • perf/core: Generalise event exclusion checking
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Commit Message

Andrew Murray Nov. 26, 2018, 11:12 a.m.
For drivers that do not support context exclusion we do not
advertise the PERF_PMU_CAP_EXCLUDE capability. This ensures that
perf will prevent us from handling events where any exclusion
flags are set. Let's remove the now unnecessary check for
exclusion flags.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
 arch/arm/mach-imx/mmdc.c     | 8 +-------
 arch/arm/mm/cache-l2x0-pmu.c | 8 --------
 2 files changed, 1 insertion(+), 15 deletions(-)

Patch

diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 04b3bf7..b937a15 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -293,13 +293,7 @@  static int mmdc_pmu_event_init(struct perf_event *event)
 		return -EOPNOTSUPP;
 	}
 
-	if (event->attr.exclude_user		||
-			event->attr.exclude_kernel	||
-			event->attr.exclude_hv		||
-			event->attr.exclude_idle	||
-			event->attr.exclude_host	||
-			event->attr.exclude_guest	||
-			event->attr.sample_period)
+	if (event->attr.sample_period)
 		return -EINVAL;
 
 	if (cfg < 0 || cfg >= MMDC_NUM_COUNTERS)
diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c
index afe5b4c..ba92f9e 100644
--- a/arch/arm/mm/cache-l2x0-pmu.c
+++ b/arch/arm/mm/cache-l2x0-pmu.c
@@ -314,14 +314,6 @@  static int l2x0_pmu_event_init(struct perf_event *event)
 	    event->attach_state & PERF_ATTACH_TASK)
 		return -EINVAL;
 
-	if (event->attr.exclude_user   ||
-	    event->attr.exclude_kernel ||
-	    event->attr.exclude_hv     ||
-	    event->attr.exclude_idle   ||
-	    event->attr.exclude_host   ||
-	    event->attr.exclude_guest)
-		return -EINVAL;
-
 	if (event->cpu < 0)
 		return -EINVAL;