lkml.org 
[lkml]   [2022]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] arm_pmu: Drop redundant armpmu->map_event() in armpmu_event_init()
Date
__hw_perf_event_init() already calls armpmu->map_event() callback, and also
returns its error code including -ENOENT, along with a debug callout. Hence
an additional armpmu->map_event() check for -ENOENT is redundant.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
This applies on v6.1-rc6

drivers/perf/arm_pmu.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 6538cec1a601..4be6869005f1 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -529,10 +529,6 @@ static int armpmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
}
}
-
- if (armpmu->map_event(event) == -ENOENT)
- return -ENOENT;
-
return __hw_perf_event_init(event);
}

--
2.25.1
\
 
 \ /
  Last update: 2022-11-30 09:36    [W:0.023 / U:0.432 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site