linux-kernel - [PATCH 3/3] perf/core: enabling mapping of the stop filters

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Date:	Fri, 15 Jul 2016 16:25:41 -0600
From:	Mathieu Poirier <mathieu.poirier@...aro.org>
To:	alexander.shishkin@...ux.intel.com
Cc:	peterz@...radead.org, mingo@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] perf/core: enabling mapping of the stop filters

At this time function perf_addr_filter_needs_mmap() will _not_
return true on a user space 'stop' filter.  But stop filters
needs exactly the same kind of mapping that range and start
filters get.

Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index b9aa8f0ff070..b0bf00c728c2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6498,7 +6498,7 @@ got_name:
  */
 static bool perf_addr_filter_needs_mmap(struct perf_addr_filter *filter)
 {
-	return filter->filter && filter->inode;
+	return filter->inode;
 }
 
 /*
-- 
2.7.4