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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA58DC79F82 for ; Tue, 8 Sep 2026 14:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=SXwRFJM6KWWHNRph7YdzDxvzoZhaZ/hdyv/7MA93Wf8=; b=gd/fzTvcd6dqg7 tZaRlN/ECBIc9C94zb6uYh39DboPFs9vXohF5A/WpVQse/kyYIJD3UnHQP11zv9jCT38D4DFLruc7 BE0GKNjPEtA18oJoF6eJ2tXJ4/txxBYepLxuyc/dw2whx+CNgI+1Z2WDfT4jE2vo7t0mTN7rgaWXQ S56lJGLQPa+LuzBDVAVB5ph+vyKY5l68BR2kBxWwDzl4vxIEkRBEXHyztVw+DUIo8QaehDjb4KzUX Gkldv54ReN11Dk0nXAl7n/ma4aNq8vtb+jqmXsNcYlRiok3wUE5h4cWIkjlRlgScFdv/HtabFxnxh 9UImLUuvbq9aUvM+CrHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3wQN-00000009Dxq-27Oq; Tue, 08 Sep 2026 14:03:47 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3wQG-00000009DwR-1Kaw; Tue, 08 Sep 2026 14:03:45 +0000 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 688D1gN04008041; Tue, 8 Sep 2026 14:03:13 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=Kqndma W8DL9z5lUDZrm9whEknryFxk+Tb/v8/jM4l2k=; b=YIKyU/c/H2YnhGEjQBTa9F dGyW1cMyR8KPdeMzvyf7ZKByaoGiinWEyo8cS/v1j4OLIntRGtT+aycfFi9HZZ6g IupqGgQQhmriK5BQzjtXIQitZ3Z+sXnY8CEvS9rMjYVQJdO79qCnhyuEuhxaEH/L y+XM+TuWHWlUgF/DdA25SyUq2zqec4Ah859o3SI1mkj803zNxzFQXTnZXH4z6GLE ZCdp0TVWF9z+RXUIcyQXhlJ4E87Ct2Ss67T8WynuRHDsn5Zcj1PRqHRCOauCdw93 69kR/q7nng1XtMu11UlnKvVgFf5b1Y2ze3gWAWRYrRGHhnZXjCl6aK3G6NBYCpRg == Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4ggbjrq4a1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Sep 2026 14:03:12 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 688DuE46015482; Tue, 8 Sep 2026 14:03:11 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4gh03ybyjg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Sep 2026 14:03:10 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 688E37pW45154618 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 8 Sep 2026 14:03:07 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2C5972004B; Tue, 8 Sep 2026 14:03:07 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5BD1E20043; Tue, 8 Sep 2026 14:02:41 +0000 (GMT) Received: from [9.61.253.97] (unknown [9.61.253.97]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 8 Sep 2026 14:02:40 +0000 (GMT) Message-ID: <264436d6-4a2a-4fe7-8b10-bbbd69cf7fd5@linux.ibm.com> Date: Tue, 8 Sep 2026 19:32:37 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 17/24] powerpc/vdso: Enable the vdsocheck tool To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Lutomirski , Vincenzo Frascino , Kees Cook , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Richard Weinberger , Anton Ivanov , Johannes Berg , Russell King , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Huacai Chen , WANG Xuerui , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Bogendoerfer , Miguel Ojeda , Alex Gaynor , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Thomas Gleixner , Christophe Leroy , Boqun Feng , Nicolas Schier Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-mm@kvack.org, linux-um@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org, linux-mips@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kbuild@vger.kernel.org, Jan Stancek , Arnaldo Carvalho de Melo , Alexandre Ghiti References: <20260908-vdso-absolute-reloc-v5-0-3a93791af1cf@linutronix.de> <20260908-vdso-absolute-reloc-v5-17-3a93791af1cf@linutronix.de> Content-Language: en-US From: R Nageswara Sastry In-Reply-To: <20260908-vdso-absolute-reloc-v5-17-3a93791af1cf@linutronix.de> X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=E7T9Y6dl c=1 sm=1 tr=0 ts=6aa015a0 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=0oLV-YkNZL8bY7TGgZYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDE1MSBTYWx0ZWRfX3KyouA8o5rAD ByjA/dZC1Xn2n5rWH2E08Rby3F+ieH1b8xVcBpTsx0Pq3F1Kh8H6gO0eZ56x8axONjS0M7Vrmnn 1W+1YJV6A3rf0XXO5ICf/YfbKJvemH4= X-Proofpoint-ORIG-GUID: pTJswYdOioXws7GKWQycoAhrlwYXMjr- X-Proofpoint-GUID: gTxGanC_PLNk6Cp8fvurHqYNODghYxXb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDE1MSBTYWx0ZWRfX+h8v/6PDKP+Z jAdm1rpGv4OhJjZsh6igckQQoLJoC7k9srOWBrLXydyr1uM/ouNV0nG/uX0KMsRisoyR2/cj7Mb Hy2sciE8csHY6RSCpOx2nHtrmmW9Bn3O8HYVkQEH4zuSVA5NUU414f/b1P3dY2Y9XVnEpbCvJEP gZdPdvU+PEg2VuiKByiM4jecbnLFEgaHV5/AHo2rbC0Fn3xseCHAZ0BYnJpQACipja6Fj5ZcajM 9S0iR7edRavzStHw3Bl0kcStsnMxiBYTJV59jwjjZrHbhDEDVEGjtlhKJlGMl7XI9iVT6tVB69E /bcJ2zCAI+cma3BesLX1c2J13X5ouAGoXJs8yD7QAv6QzEAtvkL7oWFOsTBNu+FkE5yVjZH/1kZ OZGjxAMbcSHhLhthhYM2mHEV+LTIa+3ZOqkA9IE9Sq7oBPMJ8eRmrGM9/yOAAzelV4MYH0qfW5K 8wt2O27vBLIE4mVUxeA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-08_02,2026-09-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 spamscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609080151 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260908_070340_476205_9CAE2C21 X-CRM114-Status: GOOD ( 20.55 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Ck9uIDA4LjA5LjIwMjYgMTI6MDMgUE0sIFRob21hcyBXZWnDn3NjaHVoIHdyb3RlOgo+IFRoZSB2 ZHNvY2hlY2sgdG9vbCB2YWxpZGF0ZXMgdGhlIG9iamVjdCBmaWxlcyBhbmQgZmluYWwgLnNvIGxp YnJhcnkuCj4gSXQgY2FuIGRldGVjdCBpZiB0aGUgY29tcGlsZXIgY3JlYXRlZCByZWxvY2F0aW9u cyB3aGljaCBhcmUgaW5jb21wYXRpYmxlCj4gd2l0aCB0aGUgdkRTTyB3aGljaCBuZWVkIHRvIGJl IHdvcmtlZCBhcm91bmQuCj4KPiBXaXJlIGl0IHVwIGZvciB0aGUgYXJjaGl0ZWN0dXJlLgo+Cj4g U2lnbmVkLW9mZi1ieTogVGhvbWFzIFdlacOfc2NodWggPHRob21hcy53ZWlzc3NjaHVoQGxpbnV0 cm9uaXguZGU+ClRlc3RlZC1ieTogUiBOYWdlc3dhcmEgU2FzdHJ5IDxybnNhc3RyeUBsaW51eC5p Ym0uY29tPgoKU3lzdGVtOiBwcGM2NGxlIExQQVIgKElCTSBQT1dFUiksIExpbnV4IDcuMy1yYzIK PiAtLS0KPiAgIGFyY2gvcG93ZXJwYy9LY29uZmlnICAgICAgICAgICAgICB8ICAxICsKPiAgIGFy Y2gvcG93ZXJwYy9rZXJuZWwvdmRzby9NYWtlZmlsZSB8ICA0ICsrLS0KPiAgIGxpYi92ZHNvL2No ZWNrL3Zkc29jaGVjay5ycyAgICAgICB8IDI3ICsrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ ICAgMyBmaWxlcyBjaGFuZ2VkLCAzMCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+Cj4g ZGlmZiAtLWdpdCBhL2FyY2gvcG93ZXJwYy9LY29uZmlnIGIvYXJjaC9wb3dlcnBjL0tjb25maWcK PiBpbmRleCAyNTgwZTI3ZTQzMjguLmYxOWUyMjVjZmM1YyAxMDA2NDQKPiAtLS0gYS9hcmNoL3Bv d2VycGMvS2NvbmZpZwo+ICsrKyBiL2FyY2gvcG93ZXJwYy9LY29uZmlnCj4gQEAgLTMzMCw2ICsz MzAsNyBAQCBjb25maWcgUFBDCj4gICAJc2VsZWN0IFNZU0NUTF9FWENFUFRJT05fVFJBQ0UKPiAg IAlzZWxlY3QgVEhSRUFEX0lORk9fSU5fVEFTSwo+ICAgCXNlbGVjdCBUUkFDRV9JUlFGTEFHU19T VVBQT1JUCj4gKwlzZWxlY3QgVkRTT19DSEVDSwo+ICAgCXNlbGVjdCBWRFNPX0RBVEFTVE9SRQo+ ICAgCXNlbGVjdCBWRFNPX0dFVFJBTkRPTQo+ICAgCSMKPiBkaWZmIC0tZ2l0IGEvYXJjaC9wb3dl cnBjL2tlcm5lbC92ZHNvL01ha2VmaWxlIGIvYXJjaC9wb3dlcnBjL2tlcm5lbC92ZHNvL01ha2Vm aWxlCj4gaW5kZXggMzY4NzU5ZjgxNzA4Li5jYTIwYjkxYjQzNzMgMTAwNjQ0Cj4gLS0tIGEvYXJj aC9wb3dlcnBjL2tlcm5lbC92ZHNvL01ha2VmaWxlCj4gKysrIGIvYXJjaC9wb3dlcnBjL2tlcm5l bC92ZHNvL01ha2VmaWxlCj4gQEAgLTgxLDkgKzgxLDkgQEAgdGFyZ2V0cyArPSB2ZHNvNjQubGRz Cj4gICBDUFBGTEFHU192ZHNvNjQubGRzICs9IC1QIC1DCj4gICAKPiAgICMgbGluayBydWxlIGZv ciB0aGUgLnNvIGZpbGUsIC5sZHMgaGFzIHRvIGJlIGZpcnN0Cj4gLSQob2JqKS92ZHNvMzIuc28u ZGJnOiAkKG9iaikvdmRzbzMyLmxkcyAkKG9iai12ZHNvMzIpICQob2JqKS92Z2V0dGltZW9mZGF5 LTMyLm8gJChvYmopL3ZnZXRyYW5kb20tMzIubyAkKG9iaikvY3J0c2F2cmVzLTMyLm8gRk9SQ0UK PiArJChvYmopL3Zkc28zMi5zby5kYmc6ICQob2JqKS92ZHNvMzIubGRzICQob2JqLXZkc28zMikg JChvYmopL3ZnZXR0aW1lb2ZkYXktMzIubyAkKG9iaikvdmdldHJhbmRvbS0zMi5vICQob2JqKS9j cnRzYXZyZXMtMzIubyAkKHZkc29jaGVjaykgRk9SQ0UKPiAgIAkkKGNhbGwgaWZfY2hhbmdlZCx2 ZHNvMzJsZF9hbmRfY2hlY2spCj4gLSQob2JqKS92ZHNvNjQuc28uZGJnOiAkKG9iaikvdmRzbzY0 LmxkcyAkKG9iai12ZHNvNjQpICQob2JqKS92Z2V0dGltZW9mZGF5LTY0Lm8gJChvYmopL3ZnZXRy YW5kb20tNjQubyBGT1JDRQo+ICskKG9iaikvdmRzbzY0LnNvLmRiZzogJChvYmopL3Zkc282NC5s ZHMgJChvYmotdmRzbzY0KSAkKG9iaikvdmdldHRpbWVvZmRheS02NC5vICQob2JqKS92Z2V0cmFu ZG9tLTY0Lm8gJCh2ZHNvY2hlY2spIEZPUkNFCj4gICAJJChjYWxsIGlmX2NoYW5nZWQsdmRzbzY0 bGRfYW5kX2NoZWNrKQo+ICAgCj4gICAjIGFzc2VtYmx5IHJ1bGVzIGZvciB0aGUgLlMgZmlsZXMK PiBkaWZmIC0tZ2l0IGEvbGliL3Zkc28vY2hlY2svdmRzb2NoZWNrLnJzIGIvbGliL3Zkc28vY2hl Y2svdmRzb2NoZWNrLnJzCj4gaW5kZXggZTQ1YTFmYmM2ODI5Li40MjliZGNkNjU4MTggMTAwNjQ0 Cj4gLS0tIGEvbGliL3Zkc28vY2hlY2svdmRzb2NoZWNrLnJzCj4gKysrIGIvbGliL3Zkc28vY2hl Y2svdmRzb2NoZWNrLnJzCj4gQEAgLTY5LDYgKzY5LDMzIEBAIGZuIGFsbG93ZWRfcmVsb2NhdGlv bnNfZm9yX21hY2hpbmUobWFjaGluZTogdTE2KSAtPiBPcHRpb248QWxsb3dlZFJlbG9jYXRpb25z PCdzCj4gICAgICAgICAgICAgICAuLkRlZmF1bHQ6OmRlZmF1bHQoKQo+ICAgICAgICAgICB9Cj4g ICAgICAgICAgIC5pbnRvKCksCj4gKyAgICAgICAgYmluZGluZ3M6OkVNX1BQQyA9PiBBbGxvd2Vk UmVsb2NhdGlvbnMgewo+ICsgICAgICAgICAgICBpbl9vYmplY3RfZmlsZTogJlsKPiArICAgICAg ICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQ19SRUwyNCwKPiArICAgICAgICAgICAgICAgIGJpbmRp bmdzOjpSX1BQQ19SRUwxNCwKPiArICAgICAgICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQ19SRUwz MiwKPiArICAgICAgICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQ19SRUwxNiwKPiArICAgICAgICAg ICAgICAgIGJpbmRpbmdzOjpSX1BQQ19SRUwxNl9MTywKPiArICAgICAgICAgICAgICAgIGJpbmRp bmdzOjpSX1BQQ19SRUwxNl9ISSwKPiArICAgICAgICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQ19S RUwxNl9IQSwKPiArICAgICAgICAgICAgXSwKPiArICAgICAgICAgICAgLi5EZWZhdWx0OjpkZWZh dWx0KCkKPiArICAgICAgICB9Cj4gKyAgICAgICAgLmludG8oKSwKPiArICAgICAgICBiaW5kaW5n czo6RU1fUFBDNjQgPT4gQWxsb3dlZFJlbG9jYXRpb25zIHsKPiArICAgICAgICAgICAgaW5fb2Jq ZWN0X2ZpbGU6ICZbCj4gKyAgICAgICAgICAgICAgICBiaW5kaW5nczo6Ul9QUEM2NF9SRUwyNCwK PiArICAgICAgICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQzY0X1JFTDE0LAo+ICsgICAgICAgICAg ICAgICAgYmluZGluZ3M6OlJfUFBDNjRfUkVMMzIsCj4gKyAgICAgICAgICAgICAgICBiaW5kaW5n czo6Ul9QUEM2NF9SRUw2NCwKPiArICAgICAgICAgICAgICAgIGJpbmRpbmdzOjpSX1BQQzY0X1JF TDE2LAo+ICsgICAgICAgICAgICAgICAgYmluZGluZ3M6OlJfUFBDNjRfUkVMMTZfTE8sCj4gKyAg ICAgICAgICAgICAgICBiaW5kaW5nczo6Ul9QUEM2NF9SRUwxNl9ISSwKPiArICAgICAgICAgICAg ICAgIGJpbmRpbmdzOjpSX1BQQzY0X1JFTDE2X0hBLAo+ICsgICAgICAgICAgICBdLAo+ICsgICAg ICAgICAgICAuLkRlZmF1bHQ6OmRlZmF1bHQoKQo+ICsgICAgICAgIH0KPiArICAgICAgICAuaW50 bygpLAo+ICAgICAgICAgICBfID0+IE5vbmUsCj4gICAgICAgfQo+ICAgfQo+Ci0tIApUaGFua3Mg YW5kIFJlZ2FyZHMKUi5OYWdlc3dhcmEgU2FzdHJ5CgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJp c2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9saW51eC1yaXNjdgo=