From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D78D16C6BE for ; Wed, 12 Jun 2024 09:15:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718183722; cv=none; b=q3aK3E84DIS7IZGzXGAyOagxshB1tqr1xRo2P5gzQh+i8+wC0XALlK4+6NSRZ/60XXZQRZdbX1XvmfZwN7Z6sBngPg3S+j9AdEhLhJ2S6YV9lGY52Br7PjvH/+6et+0WlFZlZIdAFLytjhefvmZQmx0qk90MyT6yQdZ5+70wySs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718183722; c=relaxed/simple; bh=VpRg2jBtDxnDxNjNIMBIDuNbYxBpIvKSKffcw3b+yic=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JD0GGNVhJNEBGQgL3MSlLjLhxo5fz106yKKa2IbZ0aXV6WJzzCuNa00KhpUxQ9+Ry49G9kDUKhChxTVHukLKJkHeiyv2b0K79FED0RTcUdyG3hQA1Yzc6exjdViVQOgzSTQ+DvHLxaWhiwu0nc2MKifVbDiRYa1FNIz+tnIipxE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=A0/6rNU1; arc=none smtp.client-ip=148.163.156.1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="A0/6rNU1" Received: from pps.filterd (m0353728.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45C7xAKZ025604; Wed, 12 Jun 2024 09:15:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h= message-id:date:mime-version:subject:to:cc:references:from :in-reply-to:content-type:content-transfer-encoding; s=pp1; bh=p 6+D8/IduoJEGhHkLzHb2IUEldb5xn7XpbW/PKnzI48=; b=A0/6rNU1UlogA4olM Qnopt78RCuzlJpNrXkLAzb/EiFnsDnNDagqqSOjQSmRYjyABI7Ncrjny3ggnHusm U7uc6bYT8Q6gZtsAinr2v+5fZ4GVMjs67qBTA0284PsdTuhRmnllZeeeQpeM32qL oUG1cBHODh/Q6s8k7VvjUPUah+nJ2A9IDklePo0yTUJIYoeTBVdR/IMwtt7qtART 2u/czL0e4Mz9cqU5BqQSG0gARAA9t2Ws6ctwKlBtAQhLV32DCPUpB0GfbhZC3jxm y0w7yjyTSdTprKOcoFE258ueuZ8xNNkhcxH3+LnMBff49HqB6VM7LTjurEeRSBp8 Jpyag== Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yq7rjg8nx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Jun 2024 09:15:10 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 45C81bMx020045; Wed, 12 Jun 2024 09:15:09 GMT Received: from smtprelay07.dal12v.mail.ibm.com ([172.16.1.9]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3yn34n41mc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Jun 2024 09:15:09 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 45C9F6vi39780966 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 12 Jun 2024 09:15:08 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64CE458067; Wed, 12 Jun 2024 09:15:06 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 900F25803F; Wed, 12 Jun 2024 09:15:05 +0000 (GMT) Received: from [9.152.212.241] (unknown [9.152.212.241]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Jun 2024 09:15:05 +0000 (GMT) Message-ID: Date: Wed, 12 Jun 2024 11:14:22 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] gcov: add support for GCC 14 To: Andrew Morton , Chuck Lever Cc: linux-kernel@vger.kernel.org, allison.henderson@oracle.com References: <20240610092743.1609845-1-oberpar@linux.ibm.com> <20240610104542.25a7d777b011d74463df9148@linux-foundation.org> Content-Language: en-US From: Peter Oberparleiter In-Reply-To: <20240610104542.25a7d777b011d74463df9148@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: bF9ilSvL66PaYQjhkjyfuX36AQRAx7Sz X-Proofpoint-ORIG-GUID: bF9ilSvL66PaYQjhkjyfuX36AQRAx7Sz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-12_04,2024-06-11_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 bulkscore=0 spamscore=0 priorityscore=1501 phishscore=0 malwarescore=0 suspectscore=0 mlxlogscore=972 impostorscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406120063 On 10.06.2024 19:45, Andrew Morton wrote: > On Mon, 10 Jun 2024 09:41:19 -0400 Chuck Lever wrote: >> On Mon, Jun 10, 2024 at 11:27:43AM +0200, Peter Oberparleiter wrote: >>> Using gcov on kernels compiled with GCC 14 results in truncated 16-byte >>> long .gcda files with no usable data. To fix this, update GCOV_COUNTERS >>> to match the value defined by GCC 14. >>> >>> Tested with GCC versions 14.1.0 and 13.2.0. >>> >> >> ... >> >> Tested-by: Chuck Lever > > I assume this problem will affect people who use gcc-14 to compile > older kernels, so I have added cc:stable to this patch. Yes, adding this fix also to stable kernels makes sense. -- Peter Oberparleiter Linux on IBM Z Development - IBM Germany R&D