Make part of the data definition into the .data section, avoid objtool to detect "unreachable instruction" warning. At the same time, removing unreachable instruction flow operations (b process_entry). Co-developed-by: Jinyang He <hejinyang@xxxxxxxxxxx> Signed-off-by: Jinyang He <hejinyang@xxxxxxxxxxx> Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx> --- arch/loongarch/kernel/genex.S | 2 ++ arch/loongarch/kernel/relocate_kernel.S | 7 +++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/loongarch/kernel/genex.S b/arch/loongarch/kernel/genex.S index 44ff1ff64260..883b718b5ffe 100644 --- a/arch/loongarch/kernel/genex.S +++ b/arch/loongarch/kernel/genex.S @@ -77,7 +77,9 @@ SYM_FUNC_END(except_vec_cex) 668: RESTORE_ALL_AND_RET SYM_FUNC_END(handle_\exception) + .pushsection ".data", "aw", %progbits SYM_DATA(unwind_hint_\exception, .word 668b - 666b) + .popsection .endm BUILD_HANDLER ade ade badv diff --git a/arch/loongarch/kernel/relocate_kernel.S b/arch/loongarch/kernel/relocate_kernel.S index d0123fa2b511..1ea3df967b46 100644 --- a/arch/loongarch/kernel/relocate_kernel.S +++ b/arch/loongarch/kernel/relocate_kernel.S @@ -75,7 +75,6 @@ copy_word: LONG_ADDI s5, s5, -1 beqz s5, process_entry b copy_word - b process_entry done: ibar 0 @@ -112,6 +111,6 @@ SYM_CODE_END(kexec_smp_wait) relocate_new_kernel_end: -SYM_DATA_START(relocate_new_kernel_size) - PTR relocate_new_kernel_end - relocate_new_kernel -SYM_DATA_END(relocate_new_kernel_size) +.pushsection ".data", "aw", %progbits +SYM_DATA(relocate_new_kernel_size, .long relocate_new_kernel_end - relocate_new_kernel) +.popsection -- 2.39.2
