From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1372482-1517178907-2-11344697869030607422 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org', XOriginatingCountry='US' X-Spam-charsets: plain='iso-8859-1' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1517178906; b=mMCXZaNeE82HZs2c70uq7nrMbN12qOYo71CDyAQ0hnVwNOS CsN6YZ1ZGl5+yxpXEwLKQPbKMV/Z68FEWCCwW1AXuouaWthjq9Qr62sKadMRill1 xUgdyHCa2H5PDjCBVrUJiTnkC0aRrKabrKbuRXeiZM0+Pz56/p1PY72bbMmyEbpU rsgedMoMbvxn833a+Qkc2beSohCKaD5LfLCgx00PCTW9TBzGX/6qwZ5laulsq4Y/ U26gQUwhge+AZS4/aJjEYH3GhLncYwQzXlAA+1WTZeR6Nvm5dQdvCXa1PT1zBeQZ 08hzpT6JTNfYbC4ocZRLNdSOF0jrVqcgzPfWO6Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :references:in-reply-to:content-type:content-transfer-encoding :mime-version:sender:list-id; s=arctest; t=1517178906; bh=Z219dB /RGL+a/AEGIhpBl990bSQZm/30x6S6xjrt5fc=; b=Ngfq4bRwPY5SQdeP8pAqhe nspAnZgvh1gwv7mnZln6dip5hGsVFJy0gICEX39G+8p7tOZMq+kwM8G8NPDncRCk PMLB/VvZYLeGWuQ1XbaQhlVqKny85x4wPRbe/dxw3NU+JzRRhyHWYKFFyegQyVgq 7/9WzRwnPWd9IuEcTGo9rxxDfNh9L3Oe/jVFUg0Um8wpAqG82XIhkILcPOJWMms1 QE0xNyiJC6csl3h8ct8e9LKWL7yUJ1A+UtR2GOcfSUOaaFyh1uWgOjjTUh0DDnmv 8ytWzR9zuShzPQafZPFf3GU3xmiqsomSkmJOzCfAiRMHaTbpJ28iHC4vOjr68sMg == ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=Wwsz4M2E x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=microsoft.com header.i=@microsoft.com header.b=Wwsz4M2E x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=selector1; dmarc=pass (p=reject,has-list-id=yes,d=none) header.from=microsoft.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=microsoft.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932748AbeA1WfC (ORCPT ); Sun, 28 Jan 2018 17:35:02 -0500 Received: from mail-cys01nam02on0129.outbound.protection.outlook.com ([104.47.37.129]:29515 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753853AbeA1Wag (ORCPT ); Sun, 28 Jan 2018 17:30:36 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Greg Ungerer , Sasha Levin Subject: [PATCH AUTOSEL for 3.18 08/25] m68k: add missing SOFTIRQENTRY_TEXT linker section Thread-Topic: [PATCH AUTOSEL for 3.18 08/25] m68k: add missing SOFTIRQENTRY_TEXT linker section Thread-Index: AQHTmIeA8pCHTRISLEG+S/oEjX+TUg== Date: Sun, 28 Jan 2018 22:29:46 +0000 Message-ID: <20180128222931.7781-8-alexander.levin@microsoft.com> References: <20180128222931.7781-1-alexander.levin@microsoft.com> In-Reply-To: <20180128222931.7781-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB1098;7:6AIfOIjlyaEa15NGKj128j4r2QsqdcPssOtR01Aa8qhWH+0a9JAogCAemiBYNHaWV/Wn2SN9sBG38pLlHv8sBc1tr4bI0Caqu2BgVpuNBxxJHN417T/Bv1rIbA1vwHpfsox1M+MNEPgICY18cKgdgggruionfBm/c2LLpbXxtdgs3EfAiY3wM6eg+BQxDn5lpJ8nhcyVsEFUjLvL7ykZZDMnq0pNK4/T5U+kMm6tiEobSToWU8SJqx35ctLo2xn4 x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 5e885f0f-a14f-44a5-41be-08d5669ebcae x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB1098; x-ms-traffictypediagnostic: MW2PR2101MB1098: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(61425038)(6040501)(2401047)(8121501046)(5005006)(93006095)(93001095)(3002001)(10201501046)(3231101)(944501161)(6055026)(61426038)(61427038)(6041288)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123558120)(20161123562045)(20161123560045)(6072148)(201708071742011);SRVR:MW2PR2101MB1098;BCL:0;PCL:0;RULEID:;SRVR:MW2PR2101MB1098; x-forefront-prvs: 05669A7924 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(366004)(346002)(376002)(396003)(39860400002)(39380400002)(189003)(199004)(54906003)(7736002)(66066001)(305945005)(316002)(72206003)(106356001)(2950100002)(6666003)(478600001)(10290500003)(6506007)(97736004)(2906002)(105586002)(59450400001)(25786009)(107886003)(5250100002)(8676002)(110136005)(14454004)(5660300001)(2501003)(22452003)(2900100001)(81156014)(68736007)(6436002)(8936002)(53936002)(10090500001)(81166006)(99286004)(102836004)(3660700001)(36756003)(3280700002)(86612001)(575784001)(3846002)(6116002)(86362001)(1076002)(4326008)(26005)(76176011)(6512007)(6486002)(186003)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:MW2PR2101MB1098;H:MW2PR2101MB1034.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; x-microsoft-antispam-message-info: 2alS6EqoNqaIpnXIWNuqMLH18lM05D9ycZpDawecq+RwgtQwvvd4qNV8gViQnf1zDaEOdcWTZrsKuSVMLRHQpg== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5e885f0f-a14f-44a5-41be-08d5669ebcae X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2018 22:29:46.9000 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1098 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Greg Ungerer [ Upstream commit 969de0988b77e5a57aac2f7270191a3c50540c52 ] Commit be7635e7287e ("arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections") added a new linker section, SOFTIRQENTRY_TEXT, to the linker scripts for most architectures. It didn't add it to any of the linker scripts for the m68k architecture. This was not really a problem because it is only defined if either of CONFIG_FUNCTION_GRAPH_TRACER or CONFIG_KASAN are enabled - which can never be true for m68k. However commit 229a71860547 ("irq: Make the irqentry text section unconditional") means that SOFTIRQENTRY_TEXT is now always defined. So on m68k we now end up with a separate ELF section for .softirqentry.text instead of it being part of the .text section. On some m68k targets in some configurations this can also cause a fatal link error: LD vmlinux /usr/local/bin/../m68k-uclinux/bin/ld.real: section .softirqentry.text load= ed at [0000000010de10c0,0000000010de12dd] overlaps section .rodata loaded a= t [0000000010de10c0,0000000010e0fd67] To fix add in the missing SOFTIRQENTRY_TEXT section into the m68k linker scripts. I noticed that m68k is also missing the IRQENTRY_TEXT section, so this patch also adds an entry for that too. Signed-off-by: Greg Ungerer Signed-off-by: Sasha Levin --- arch/m68k/kernel/vmlinux-nommu.lds | 2 ++ arch/m68k/kernel/vmlinux-std.lds | 2 ++ arch/m68k/kernel/vmlinux-sun3.lds | 2 ++ 3 files changed, 6 insertions(+) diff --git a/arch/m68k/kernel/vmlinux-nommu.lds b/arch/m68k/kernel/vmlinux-= nommu.lds index 06a763f49fd3..30115ba7783d 100644 --- a/arch/m68k/kernel/vmlinux-nommu.lds +++ b/arch/m68k/kernel/vmlinux-nommu.lds @@ -44,6 +44,8 @@ SECTIONS { .text : { HEAD_TEXT TEXT_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-st= d.lds index d0993594f558..c95b4d306023 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -15,6 +15,8 @@ SECTIONS .text : { HEAD_TEXT TEXT_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-s= un3.lds index 8080469ee6c1..b8da085cf38d 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -15,6 +15,8 @@ SECTIONS .text : { HEAD_TEXT TEXT_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) --=20 2.11.0