linux-kernel - [RFC PATCH v9 4/7] perf: export perf_event_update

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Message-Id: <20170829131238.4988-5-jglauber@cavium.com>
Date:   Tue, 29 Aug 2017 15:12:35 +0200
From:   Jan Glauber <jglauber@...ium.com>
To:     Mark Rutland <mark.rutland@....com>,
        Will Deacon <will.deacon@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Suzuki K Poulose <Suzuki.Poulose@....com>,
        Borislav Petkov <bp@...en8.de>,
        David Daney <david.daney@...ium.com>,
        Jan Glauber <jglauber@...ium.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: [RFC PATCH v9 4/7] perf: export perf_event_update_userpage()

Export perf_event_update_userpage(). This change is needed to allow
building a PMU driver as a kernel module.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>

Signed-off-by: Jan Glauber <jglauber@...ium.com>
---
 kernel/events/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 3504125..639bbf5 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4977,6 +4977,7 @@ void perf_event_update_userpage(struct perf_event *event)
 unlock:
 	rcu_read_unlock();
 }
+EXPORT_SYMBOL_GPL(perf_event_update_userpage);
 
 static int perf_mmap_fault(struct vm_fault *vmf)
 {
-- 
2.9.0.rc0.21.g7777322