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Peter Anvin" , Nathan Chancellor , Tom Rix , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Albert Ou X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1858; i=ribalda@chromium.org; h=from:subject:message-id; bh=GVJi+03Xz3YcKIs9vohmPUDUq2YTUUxMRlFdBxq2C24=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBkT7LAFLlAuOy2Pigaz4i/nocmi0AaG2bDBwCis 1EE/BR48JCJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCZE+ywAAKCRDRN9E+zzrE iBVJD/0bvdaJk33Kto6cW3Qh7bkAyMST0SlVrSVNNRzCcHkU8OMpa7+OaBEM6aylG0KK+gBpSC+ 9M/aU99yVviz/wK8tmypnptMZYvvfeVNiQeO93KdPzYmUZTepOB54/pajMpWdXzgXYnQD+5fVJj XS1Mg4dxUrfaWd9jTaMg6bMPcw4hnduHVIUToP1960WZux+4iyt66qBkHDTUhEe+4aLJdIPu8y0 TXEFshDvlVqy/6h7WqW2Wn9X038Lecaf2Cb+vKG/dtcFncw1BsXiCUe+Ny7zQhFXCb+9f3XeamD VVWQ8RhWqq+IsHt/LUVH0SWBcwegONn8/OA3jHsAfFQY9s2iYABKgoBbDzq7QuVR4DeXsS/B8kd Je8L101yFCiVa6aM7T/iN025l2Pr0M6mSxPsEZbwbXYUnADYf4FjlVcsvSiBCQghUXRcE7yb0zE 9s1uOFvgW1Tmn9KJTK5e91CRxAKAz5AUF/fiqJYtGJuXhPypDbO7xrVcHx2XV/9/KFsCVAWCFli izkP0mT4SSvRRjga1EF091s9YDLMxKe287MF0LcOdNASLL8QmYbIG4Nk2KJcqLUx7RR/UAzd6LI mzp4oKuDvSVn1XPWMnSidoCM4GInDmiQ20x5trgZ1hUVyat2PHBgU0I5SdzrjK2gYZDAo/Q8/4q 9iNvZ9J8J2WbZpw== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Desaulniers , Baoquan He , Philipp Rudo , llvm@lists.linux.dev, Ross Zwisler , linux-kernel@vger.kernel.org, Steven Rostedt , stable@vger.kernel.org, Simon Horman , Ricardo Ribalda , linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, kexec@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" When upreving llvm I realised that kexec stopped working on my test platform. The reason seems to be that due to PGO there are multiple .text sections on the purgatory, and kexec does not supports that. Signed-off-by: Ricardo Ribalda --- Changes in v6: - Replace linker script with Makefile rule. Thanks Nick - Link to v5: https://lore.kernel.org/r/20230321-kexec_clang16-v5-0-5563bf7c4173@chromium.org 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 (4): kexec: Support purgatories with .text.hot sections x86/purgatory: Remove profile optimization flags powerpc/purgatory: Remove profile optimization flags risc/purgatory: Add linker script arch/powerpc/purgatory/Makefile | 5 +++++ arch/riscv/purgatory/Makefile | 5 +++++ arch/x86/purgatory/Makefile | 5 +++++ kernel/kexec_file.c | 14 +++++++++++++- 4 files changed, 28 insertions(+), 1 deletion(-) --- base-commit: 58390c8ce1bddb6c623f62e7ed36383e7fa5c02f change-id: 20230321-kexec_clang16-4510c23d129c Best regards, -- Ricardo Ribalda