From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id 5E22F3865C2D for ; Thu, 28 Jan 2021 13:04:07 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 5E22F3865C2D Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10SD2DJw053127; Thu, 28 Jan 2021 08:04:03 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 36b5tdy06y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 28 Jan 2021 08:04:03 -0500 Received: from m0098394.ppops.net (m0098394.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 10SD2fs3056728; Thu, 28 Jan 2021 08:04:02 -0500 Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com with ESMTP id 36b5tdy06c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 28 Jan 2021 08:04:02 -0500 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10SCwTct015556; Thu, 28 Jan 2021 13:04:01 GMT Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by ppma02wdc.us.ibm.com with ESMTP id 36acj9hhc1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 28 Jan 2021 13:04:01 +0000 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10SD40Ag21692800 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 28 Jan 2021 13:04:00 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3AEC1C6059; Thu, 28 Jan 2021 13:04:00 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EB06CC605A; Thu, 28 Jan 2021 13:03:58 +0000 (GMT) Received: from work-tp (unknown [9.65.209.189]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTPS; Thu, 28 Jan 2021 13:03:58 +0000 (GMT) Date: Thu, 28 Jan 2021 10:03:55 -0300 From: Raoni Fassina Firmino To: Andreas Schwab Cc: libc-alpha@sourceware.org, fweimer@redhat.com Subject: Re: [PATCH] powerpc64: Workaround sigtramp vdso return call. Message-ID: <20210128130355.izhbyg5p6nbrclth@work-tp> Mail-Followup-To: Andreas Schwab , libc-alpha@sourceware.org, fweimer@redhat.com References: <20210126130515.jivsqeoyj5nu5znk@work-tp> <87wnvx8mro.fsf@igel.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87wnvx8mro.fsf@igel.home> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-28_08:2021-01-28, 2021-01-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 clxscore=1011 mlxscore=0 phishscore=0 malwarescore=0 mlxlogscore=917 lowpriorityscore=0 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101280064 X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Jan 2021 13:04:08 -0000 On Thu, Jan 28, 2021 at 09:54:19AM +0100, Andreas Schwab wrote: > Please explain why this cannot be fixed in the kernel, given the strict > no-regression policy. Yes, I think it can and I am already looking into it. But I also think it can be improved on the glic side, like I hinted in [1]. [1] https://sourceware.org/pipermail/libc-alpha/2021-January/121951.html