From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6A505FF8855 for ; Tue, 5 May 2026 14:25:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 940536B0005; Tue, 5 May 2026 10:25:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8F1456B0088; Tue, 5 May 2026 10:25:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7B8B36B008A; Tue, 5 May 2026 10:25:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 68D3F6B0005 for ; Tue, 5 May 2026 10:25:56 -0400 (EDT) Received: from smtpin02.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id F0A911A0523 for ; Tue, 5 May 2026 14:25:55 +0000 (UTC) X-FDA: 84733590270.02.ED6DD7D Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by imf16.hostedemail.com (Postfix) with ESMTP id 6D17D180002 for ; Tue, 5 May 2026 14:25:53 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=kCK8AOLU; spf=pass (imf16.hostedemail.com: domain of jremus@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=jremus@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777991153; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=OcbaiPrXeZHYc5M9HkIsXuvWd1b75GWDcR6c1FbMbYw=; b=P5Rf0HM8zDv7tPhziiPAmpRpfsmJ2Ik190j8GH7H0Rq7ZGupw09NPJrOAM1zbA4n43mqVJ weD8Mzdo+GE1tmLU2uKqcODughDi5V35JKh5WvseqEfSeF67ljDcWvP3hPCkMPQWNQU3x4 PIgK0mh7wgYsP58Lqdk0ofMh1mTa3UY= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=kCK8AOLU; spf=pass (imf16.hostedemail.com: domain of jremus@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=jremus@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777991153; a=rsa-sha256; cv=none; b=Ydl4hXZT9DQ6IT125AtzyFPBhqXfptie8M4fRRy1TyBhNNDqTzC1tz/yPeNgxmPnGEVt76 T29tYBtunFRbFbQIQrfJP7yfeXLgP2m/9/qF6jzWne3yKRS7/xl6QCaPwzLBPC9oUZdzoG 5o4xudguMNESsMPfPCy7xjSZK2ne1wo= Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6458GFvT3351555; Tue, 5 May 2026 14:25:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pp1; bh=OcbaiP rXeZHYc5M9HkIsXuvWd1b75GWDcR6c1FbMbYw=; b=kCK8AOLUroh6Op3oeyQ3tA kzVZqVy8brV9VXXxeWMe1xe0uegxlWAP7GlX8ovDne5GCGOJ6mN9A3M0+tQFZE20 UTAuXEd/hKZHIZs8OG43OgomII2KZKukRUZem/GJs0sfy9YuMQpVUokP8VRGp6vL JYE+nxrBRCmpjDntN+grlI7ctrouR/3JLVJDZB5W5tbJlHV+UI8bCPaHaeHLc8UF TydQHg1610Pfo5WZB90/4C/nUKCa8SmXcog7SJZ71loAJvqR88Kk6S/w+8lgjgWF u2G30tRfEWu8a/MYl7AjhmB16dpF+9ri5gKb0s98DPHx1vLFSdz/DlD+IgM1lFng == Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4dw9w6bs5k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 May 2026 14:25:06 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 645EOgrs014230; Tue, 5 May 2026 14:25:05 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4dwukqa509-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 May 2026 14:25:05 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 645EP1Rl29229442 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 5 May 2026 14:25:01 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A2A3F20043; Tue, 5 May 2026 14:25:01 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0C4A020040; Tue, 5 May 2026 14:25:01 +0000 (GMT) Received: from [9.52.200.195] (unknown [9.52.200.195]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 5 May 2026 14:25:00 +0000 (GMT) Message-ID: Date: Tue, 5 May 2026 16:25:00 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 0/6] x86/vdso: VDSO updates and fixes for sframes To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org, Steven Rostedt , Josh Poimboeuf , Indu Bhagat , Peter Zijlstra , Dylan Hatch , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Mathieu Desnoyers , Kees Cook , Sam James , Andy Lutomirski Cc: bpf@vger.kernel.org, linux-mm@kvack.org, Namhyung Kim , Andrii Nakryiko , "Jose E. Marchesi" , Beau Belgrave , Florian Weimer , "Carlos O'Donell" , Masami Hiramatsu , Jiri Olsa , Arnaldo Carvalho de Melo , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Heiko Carstens , Vasily Gorbik , Ilya Leoshkevich References: <20260505123340.3770025-1-jremus@linux.ibm.com> Content-Language: en-US From: Jens Remus Organization: IBM Deutschland Research & Development GmbH In-Reply-To: <20260505123340.3770025-1-jremus@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=XPQAjwhE c=1 sm=1 tr=0 ts=69f9fdc2 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VwQbUJbxAAAA:8 a=meVymXHHAAAA:8 a=VnNF1IyMAAAA:8 a=0MvmVg10__VCTnNSAJcA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=2JgSa4NbpEOStq-L5dxp:22 X-Proofpoint-ORIG-GUID: OcluZmLD_x4gMqANWuezmnnGoe4w0tND X-Proofpoint-GUID: li-2q0iBa1957f3jFzff7LHFnhy2TzmZ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA1MDEzNSBTYWx0ZWRfX6Qsc9D8QpNTK eVoHxsAXC1MYjkQwzPmUOAQB7ApXGRsFCVGUrUanv9+LtbWXKa8Xs78P+2QBoI1CTlDqq09Gjiz oZqcKyVJKtik+oZty+qxqmlj+kMooiyKvLBq+InO1eejVaKGNq7kmyFxN9lSCSsQFrc4dF6RmJM ZLddMM8FdmtlaVClPXWPZuFaMqChGvOV0aqCZrB3eWqdvV5q2SYrpm8lyfm+5j0TDhgpvk3sbNX W+Zddmf5VVe4Er1Znp8kaceVNpCH5C7lv68OsKF5h8pavFM3mfEi/7YBtcAQ5KrdgqDI5bKQGI/ RdeauxQ6L2iNSOEYrMkYy6yNVNn4IJ0vz31CtwDVxm+EgcCNB/XWFsrg/UBVQjH9UYxM5/6ryUe 7QymP34wcEkCc59eKn2qNka3xSO9ODNF2Ucp6Oi5iOXR0b5fDcoAFRink0RblFi82cdTiW7a9Ys no2tKJkXF/og3584JYA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-05_02,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 spamscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605050135 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 6D17D180002 X-Rspam-User: X-Stat-Signature: y197dtnfn3u6mw15635qead7c7mdfq14 X-HE-Tag: 1777991153-238854 X-HE-Meta: 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 SpJN/0ws sfc0t2+5ylucFSAsi6oy+pSAgroxHI7+IVpt3CKCNMSW7sd17jeaHbfCu2Mbgy4PSyGxYYfFZRkF2fy846MpiQ56hIL028OuJaO7GPJQvwyFM7gfvOhPvmZkETne1zM00d8emF76IbL3Jyqc6THzceyCvwVhcHqbC1/iFBtvbc1ozffy8L0jR6/i7dvdmxIPdLKkMSqxDp4gf+5n5Kyf9pPiLcI640bLh2A+ArkvPRIq0kS0TEvbl1XwXNF4z6+ukzoMuVCKY0ziEbAKgkljcJCJYAN85t/8X32OOl54G/W+gcsl95tOB7iP7SNAot249l61qMLPxf/HNg69z3UgXNMvtkSwSaS0T2G20w8xxy1slt+IcqctmBef8Ld1dcaH2D5lTVZPHEghseFb08NBqdp4E45l9T1qclx/0TfgBN2AAub5DczP31iK8ldbVHhrUCWG50HpaWHFgF+iyS1F5smqqvUoOxkuuH4XOAV8Rqi7EUR0= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 5/5/2026 2:33 PM, Jens Remus wrote: > This enables generation of SFrame V3 stack trace information for VDSO on > x86-64. It's a continuation of Josh's and Steve's work: > > https://lore.kernel.org/all/cover.1737511963.git.jpoimboe@kernel.org/ > https://lore.kernel.org/all/20250425023750.669174660@goodmis.org/ > > This series focuses only on the VDSO code. They are helpful fixes > and updates that doesn't rely on sframes (although the last patch > is sframe related). > > This series applies on top of tip:master (a375022d6383): > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master > > Like the unwind user sframe series [1] it depends on the binutils 2.46 > release to be used to build the VDSO with SFrame V3 stack trace > information (using the assembler option --gsframe-3). > > [1]: [PATCH v14 00/19] unwind_deferred: Implement sframe handling, > https://lore.kernel.org/all/20260505121718.3572346-1-jremus@linux.ibm.com/ > > Changes in v10: > - Rebased on tip:master (a375022d6383). Apologies for the incorrect series version in the cover letter. Regards, Jens -- Jens Remus Linux on Z Development (D3303) jremus@de.ibm.com / jremus@linux.ibm.com IBM Deutschland Research & Development GmbH; Vorsitzender des Aufsichtsrats: Wolfgang Wendt; Geschäftsführung: David Faller; Sitz der Gesellschaft: Ehningen; Registergericht: Amtsgericht Stuttgart, HRB 243294 IBM Data Privacy Statement: https://www.ibm.com/privacy/