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powerpc-perf/hx-24x7: Don't log failed hcall twice

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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.

Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Thiago Jung Bauermann 2017-06-29 18:55:34 -03:00 committed by Michael Ellerman
parent 41f577eb01
commit 62714a1492
1 changed files with 12 additions and 23 deletions
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35
arch/powerpc/perf/hv-24x7.c
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@ -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);