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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69866C761A6 for ; Thu, 30 Mar 2023 09:46:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229794AbjC3Jp6 (ORCPT ); Thu, 30 Mar 2023 05:45:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230354AbjC3Jph (ORCPT ); Thu, 30 Mar 2023 05:45:37 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDF2F8A66 for ; Thu, 30 Mar 2023 02:45:15 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id cn12so74126058edb.4 for ; Thu, 30 Mar 2023 02:45:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1680169513; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=AmFm2H2aOAkbQY/h2v5MAmP45SXRmGLw4e1al6CBI2I=; b=PGpd/3k73zNpbvHVT1UNSiV5gtK0hy3DPGeYWoIayaboLOGFXTitshD+imYv2Js4WA MM1Y6zOlUAy2AFVvLHyZtSslq5XKgyyZG3y39FnjeXLrlTVhDhAjXvJZMQx1Us3QGzMi qb6Sl0zeTh2D/1f/uRItg4eljeiJoSj7Y+tCo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680169513; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AmFm2H2aOAkbQY/h2v5MAmP45SXRmGLw4e1al6CBI2I=; b=ed416ER1vyQelnGA4kACv3wg6LixraSEuf1qE6Kk4pWG3qq4pLMTBmGND2yfsavnOq mzjOdHHN0a8EVbqYAASdxWIxhk3TmOq5lx3sRFRlccvhiygoTUQaCRty+OBNAkx4WFaD Vq3HU25HS6jycSKC6tyc+8zbKZLxDnl1WQH8d71D010hhLIajcMwPC7LZxtKeb4C5RB8 SY19MqwhqEdWMgnxe4Tz1tzYE0JuQJZlsFR9yQLF1JhDv6OIVCQcUruNwoJVb9DovzFu R4ibzcKcsCYo+0OPW+s3qsK8MxdcGg3IOWHK//WYmHrdXfYGlKFZlfOpVBWa290pkAIN M6CA== X-Gm-Message-State: AAQBX9e/KYIllTddb2PPfP70qZ3dIW75HssY+x51yqKDeS1+DSlYFXjy CA6DV1a6Qb2ChPHAlmcOfFHtEg== X-Google-Smtp-Source: AKy350ahiWO+Fj4V7FTU9MC6Fk01PllpwoR7WJ4iOZ/5VlJFhikZNy2psVuFakzSi4JpxpkDOWltmw== X-Received: by 2002:a17:906:5a43:b0:8aa:be5c:b7c5 with SMTP id my3-20020a1709065a4300b008aabe5cb7c5mr24312480ejc.41.1680169513712; Thu, 30 Mar 2023 02:45:13 -0700 (PDT) Received: from alco.roam.corp.google.com ([2620:0:1059:10:1396:ff5d:6e2a:df6d]) by smtp.gmail.com with ESMTPSA id k9-20020a17090666c900b0092b606cb803sm17683616ejp.140.2023.03.30.02.45.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Mar 2023 02:45:13 -0700 (PDT) From: Ricardo Ribalda Subject: [PATCH v5 0/2] kexec: Fix kexec_file_load for llvm16 Date: Thu, 30 Mar 2023 11:44:46 +0200 Message-Id: <20230321-kexec_clang16-v5-0-5563bf7c4173@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAA5aJWQC/33OzQrCMAwH8FeRnq00/dg6T76HiGxp5opzg1aHM vbuBo+iO4Uk/H/JLDKlSFnsN7NINMUcx4Ebt90I7OrhQjIG7oVW2iijQV7pSXjGnndQSOtAoTY BdIWCM02dSTapHrDj1PDoex52Md/H9PrcmIDL8R83gVSyLgvfosYSbThgl8ZbfNx2Y7qIE2OTX gU0AwEUueCg9EX1AzCrgGHAtQoK9EGRL38AdhWwDICxyoFvK0/fHyzL8gYkFJwTdQEAAA== To: Eric Biederman Cc: Baoquan He , Philipp Rudo , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Ross Zwisler , Steven Rostedt , Simon Horman , Ricardo Ribalda , stable@vger.kernel.org X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1562; i=ribalda@chromium.org; h=from:subject:message-id; bh=SayQVLE6H72tjacCmNcmtcnOuUDgjnttSSVkCQO8nwU=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBkJVoXZBZQgBE2mt6hnkD3x10Mo+77PbgkqAlUv DUrdUN7lMCJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCZCVaFwAKCRDRN9E+zzrE iAdoD/9iPmpE6/UU41Svse7e7tdRS16SUUtYUJeo/EFBaOCBvwrfjzy8VWZRlbSxOLj6kZtGhxU e9QmkiwAYz3MriXFz0LgSFPithiLGCwsyGKGLisVczcoCpN2Mh4gZ7mS0Iugy0rrChSnc0juGYq yG2ZrJWuOwycDBefzYLh4UxL08GlvUIP9XC7fBTEcosZQl3k9i3F3F1uUzBqCIUgGDMHmF+9JW+ VrPi4F2Lz7d2+EVQihLq8QT6IoU+aiwDlHodOl04LQd9a92rzP7UGTqH7idqDJjH6vAXwMh0Qw4 udF9lMsdLFUqO5ikYkDMtlolratzqThH5Az/A9LFd+c3zpJvTQZ25v1sAKVPnKXUJDZwD2+pIkG +KMCpHt02hPHttKKfxolte4FXkQzk1V4hKbdpahadN98uUPVityKckSZvuw5uFFWLJ8j3DRd0tm ex5WZCiztgdnpWZ3Z23x7zk+/qVBk9Wn2AYVC8nsgDiJJ9AKa0RKCrDKeh+zIcPPLx/60U5/iDe c3MQ7eQqNq1jsrfoET70+HpUDHw4TX7JsWPcMRXgNWjtkBgiRDC79LjlrJOMQoMgfjPMIj/cKCc js4lKsxpS5AMD97rqiQKEIybAUTE1U/4s7iGp0UHDdnSaSn5kUJoGok+xMCGMvrrlnygTUIyYO/ dRH2kKxwSXes4qA== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org When upreving llvm I realised that kexec stopped working on my test platform. This patch fixes it. Signed-off-by: Ricardo Ribalda --- Changes in v5: - Add warning when multiple text sections are found. Thanks Simon! - Add Fixes tag. - Link to v4: https://lore.kernel.org/r/20230321-kexec_clang16-v4-0-1340518f98e9@chromium.org Changes in v4: - Add Cc: stable - Add linker script for x86 - Add a warning when the kernel image has overlapping sections. - Link to v3: https://lore.kernel.org/r/20230321-kexec_clang16-v3-0-5f016c8d0e87@chromium.org Changes in v3: - Fix initial value. Thanks Ross! - Link to v2: https://lore.kernel.org/r/20230321-kexec_clang16-v2-0-d10e5d517869@chromium.org Changes in v2: - Fix if condition. Thanks Steven!. - Update Philipp email. Thanks Baoquan. - Link to v1: https://lore.kernel.org/r/20230321-kexec_clang16-v1-0-a768fc2c7c4d@chromium.org --- Ricardo Ribalda (2): kexec: Support purgatories with .text.hot sections x86/purgatory: Add linker script arch/x86/purgatory/.gitignore | 2 ++ arch/x86/purgatory/Makefile | 20 +++++++++---- arch/x86/purgatory/kexec-purgatory.S | 2 +- arch/x86/purgatory/purgatory.lds.S | 57 ++++++++++++++++++++++++++++++++++++ kernel/kexec_file.c | 14 ++++++++- 5 files changed, 87 insertions(+), 8 deletions(-) --- base-commit: 17214b70a159c6547df9ae204a6275d983146f6b change-id: 20230321-kexec_clang16-4510c23d129c Best regards, -- Ricardo Ribalda