[PATCH v3 2/8] powerpc/perf/hv-24x7: Simplify extracting counter from result buffer
From: Sukadev Bhattiprolu <hidden>
Date: 2015-07-15 03:03:13
Also in:
linux-s390, lkml, sparclinux
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Simplify code that extracts a 24x7 counter from the HCALL's result buffer. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Sukadev Bhattiprolu <redacted> --- arch/powerpc/perf/hv-24x7.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 9d73c69..4d1a8d1 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c@@ -1104,7 +1104,7 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count) unsigned long ret; struct hv_24x7_request_buffer *request_buffer; struct hv_24x7_data_result_buffer *result_buffer; - struct hv_24x7_result *resb; + __be64 val; BUILD_BUG_ON(sizeof(*request_buffer) > 4096); BUILD_BUG_ON(sizeof(*result_buffer) > 4096);
@@ -1125,8 +1125,8 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count) } /* process result from hcall */ - resb = &result_buffer->results[0]; - *count = be64_to_cpu(resb->elements[0].element_data[0]); + val = result_buffer->results[0].elements[0].element_data[0]; + *count = be64_to_cpu(val); out: put_cpu_var(hv_24x7_reqb);
--
1.7.9.5