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 ribalda@chromium.org --- 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....
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....
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....
Changes in v3: - Fix initial value. Thanks Ross! - Link to v2: https://lore.kernel.org/r/20230321-kexec_clang16-v2-0-d10e5d517869@chromium....
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....
--- 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,