[PATCH 4/8] powerpc-perf/hx-24x7: Don't log failed hcall twice
From: Thiago Jung Bauermann <hidden>
Date: 2017-06-01 21:03:26
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
make_24x7_request already calls log_24x7_hcall if it fails, so callers don't have to do it again. In fact, since the latter is now only called from the former, there's no need for a separate log_24x7_hcall anymore so remove it. Signed-off-by: Thiago Jung Bauermann <redacted> --- arch/powerpc/perf/hv-24x7.c | 35 ++++++++++++----------------------- 1 file changed, 12 insertions(+), 23 deletions(-)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 8b1a3e849d23..111c61ea7416 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c@@ -1044,21 +1044,6 @@ static const struct attribute_group *attr_groups[] = { NULL, }; -static void log_24x7_hcall(struct hv_24x7_request_buffer *request_buffer, - struct hv_24x7_data_result_buffer *result_buffer, - unsigned long ret) -{ - struct hv_24x7_request *req; - - req = &request_buffer->requests[0]; - pr_notice_ratelimited("hcall failed: [%d %#x %#x %d] => " - "ret 0x%lx (%ld) detail=0x%x failing ix=%x\n", - req->performance_domain, req->data_offset, - req->starting_ix, req->starting_lpar_ix, ret, ret, - result_buffer->detailed_rc, - result_buffer->failing_request_ix); -} - /* * Start the process for a new H_GET_24x7_DATA hcall. */
@@ -1091,8 +1076,16 @@ static int make_24x7_request(struct hv_24x7_request_buffer *request_buffer, virt_to_phys(request_buffer), H24x7_DATA_BUFFER_SIZE, virt_to_phys(result_buffer), H24x7_DATA_BUFFER_SIZE); - if (ret) - log_24x7_hcall(request_buffer, result_buffer, ret); + if (ret) { + struct hv_24x7_request *req; + + req = &request_buffer->requests[0]; + pr_notice_ratelimited("hcall failed: [%d %#x %#x %d] => ret 0x%lx (%ld) detail=0x%x failing ix=%x\n", + req->performance_domain, req->data_offset, + req->starting_ix, req->starting_lpar_ix, + ret, ret, result_buffer->detailed_rc, + result_buffer->failing_request_ix); + } return ret; }
@@ -1163,10 +1156,8 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count) goto out; ret = make_24x7_request(request_buffer, result_buffer); - if (ret) { - log_24x7_hcall(request_buffer, result_buffer, ret); + if (ret) goto out; - } result = result_buffer->results;
@@ -1428,10 +1419,8 @@ static int h_24x7_event_commit_txn(struct pmu *pmu) result_buffer = (void *)get_cpu_var(hv_24x7_resb); ret = make_24x7_request(request_buffer, result_buffer); - if (ret) { - log_24x7_hcall(request_buffer, result_buffer, ret); + if (ret) goto put_reqb; - } h24x7hw = &get_cpu_var(hv_24x7_hw);
--
2.7.4