From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 9835D1A006B for ; Wed, 15 Jul 2015 13:03:08 +1000 (AEST) Received: from /spool/local by e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 14 Jul 2015 21:03:06 -0600 Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 095C61FF004F for ; Tue, 14 Jul 2015 20:54:14 -0600 (MDT) Received: from d03av05.boulder.ibm.com (d03av05.boulder.ibm.com [9.17.195.85]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t6F333kw54460478 for ; Tue, 14 Jul 2015 20:03:03 -0700 Received: from d03av05.boulder.ibm.com (localhost [127.0.0.1]) by d03av05.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t6F332A3026612 for ; Tue, 14 Jul 2015 21:03:03 -0600 From: Sukadev Bhattiprolu To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Michael Ellerman Cc: , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH v3 2/8] powerpc/perf/hv-24x7: Simplify extracting counter from result buffer Date: Tue, 14 Jul 2015 20:01:49 -0700 Message-Id: <1436929315-28520-3-git-send-email-sukadev@linux.vnet.ibm.com> In-Reply-To: <1436929315-28520-1-git-send-email-sukadev@linux.vnet.ibm.com> References: <1436929315-28520-1-git-send-email-sukadev@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Simplify code that extracts a 24x7 counter from the HCALL's result buffer. Suggested-by: Joe Perches Signed-off-by: Sukadev Bhattiprolu --- 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