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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; 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a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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