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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 5 Mar 2019 14:07:42 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x25E7fwI59965606 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 5 Mar 2019 14:07:41 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A62D0A405F; Tue, 5 Mar 2019 14:07:41 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 58254A405B; Tue, 5 Mar 2019 14:07:41 +0000 (GMT) Received: from [9.152.212.90] (unknown [9.152.212.90]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 5 Mar 2019 14:07:41 +0000 (GMT) Subject: Re: [PATCH v3 3/3] gcov: docs: add a note on GCC vs Clang differences To: Tri Vo Cc: ghackmann@android.com, ndesaulniers@google.com, linux-kernel@vger.kernel.org, kernel-team@android.com, yamada.masahiro@socionext.com References: <20190122233749.42220-1-trong@android.com> <20190122233749.42220-4-trong@android.com> From: Peter Oberparleiter Date: Tue, 5 Mar 2019 15:07:41 +0100 MIME-Version: 1.0 In-Reply-To: <20190122233749.42220-4-trong@android.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19030514-0008-0000-0000-000002C8CCF3 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19030514-0009-0000-0000-00002234D399 Message-Id: <018fe29b-bad5-e789-1fe7-73f42a90a65e@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-05_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903050096 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23.01.2019 00:37, Tri Vo wrote: > Document some things of note to gcov users: > 1. GCC gcov and Clang llvm-cov tools are not compatible. > 2. The use of GCC vs Clang is transparent at build-time. For completeness sake please also add something like the following to the commit message: Also adjust the documentation to account for the removal of config symbol CONFIG_GCOV_FORMAT_AUTODETECT by commit 6a61b70b43c9 ("gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT"). > > Signed-off-by: Tri Vo > --- > Documentation/dev-tools/gcov.rst | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) Reviewed-by: Peter Oberparleiter -- Peter Oberparleiter Linux on Z Development - IBM Germany