[PATCH v7 0/4] kexec: Fix kexec_file_load for llvm16 with PGO

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 v7: - Fix $SUBJECT of riscv patch - Rename PGO

[PATCH v7 1/4] kexec: Support purgatories with .text.hot sections

Clang16 links the purgatory text in two sections when PGO is in use: [ 1] .text PROGBITS 0040 11a1 AX 0 0 16 [ 2] .rela.textRELA 3498 0648

[PATCH v7 4/4] riscv/purgatory: Remove PGO flags

If profile-guided optimization is enabled, the purgatory ends up with multiple .text sections. This is not supported by kexec and crashes the system. Cc: sta...@vger.kernel.org Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory") Acked-by: Palmer Dabbelt Signed-off-by: Rica

[PATCH v7 2/4] x86/purgatory: Remove PGO flags

If profile-guided optimization is enabled, the purgatory ends up with multiple .text sections. This is not supported by kexec and crashes the system. Cc: sta...@vger.kernel.org Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory") Signed-off-by: Ricardo Ribalda --- arch/x86

[PATCH v7 3/4] powerpc/purgatory: Remove PGO flags

If profile-guided optimization is enabled, the purgatory ends up with multiple .text sections. This is not supported by kexec and crashes the system. Cc: sta...@vger.kernel.org Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory") Signed-off-by: Ricardo Ribalda --- arch/pow