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Commit 465345ca authored by Sukadev Bhattiprolu's avatar Sukadev Bhattiprolu Committed by Michael Ellerman
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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: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 40386217

arch/powerpc/perf/hv-24x7.c

+1 −3
Original line number Diff line number Diff line
@@ -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);