* [PATCH 1/1] powerpc/hv-24x7: Add missing put_cpu_var()
@ 2015-03-31 1:51 Sukadev Bhattiprolu
0 siblings, 0 replies; only message in thread
From: Sukadev Bhattiprolu @ 2015-03-31 1:51 UTC (permalink / raw)
To: Michael Ellerman; +Cc: dev, linux-kernel, linuxppc-dev
From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Date: Tue, 17 Feb 2015 14:14:36 -0500
Subject: [PATCH 1/1] powerpc/hv-24x7: Add missing put_cpu_var()
Add missing put_cpu_var() for 24x7 requests. This went missing in
commit f34b6c7 (3.18-rc3).
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
---
arch/powerpc/perf/hv-24x7.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 46be032..ead8878 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -1096,7 +1096,7 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count)
ret = add_event_to_24x7_request(event, request_buffer);
if (ret)
- return ret;
+ goto out;
ret = make_24x7_request(request_buffer, result_buffer);
if (ret) {
@@ -1109,6 +1109,8 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count)
*count = be64_to_cpu(resb->elements[0].element_data[0]);
out:
+ put_cpu_var(hv_24x7_reqb);
+ put_cpu_var(hv_24x7_resb);
return ret;
}
--
1.8.3.1
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