提交 465345ca 编写于 作者: S Sukadev Bhattiprolu 提交者: Michael Ellerman

powerpc/perf/hv-24x7: Simplify extracting counter from result buffer

Simplify code that extracts a 24x7 counter from the HCALL's result buffer.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 40386217
......@@ -1104,7 +1104,6 @@ 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;
BUILD_BUG_ON(sizeof(*request_buffer) > 4096);
BUILD_BUG_ON(sizeof(*result_buffer) > 4096);
......@@ -1125,8 +1124,7 @@ 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]);
*count = be64_to_cpu(result_buffer->results[0].elements[0].element_data[0]);
out:
put_cpu_var(hv_24x7_reqb);
......
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