From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Subject: h8300: fix PREEMPTION build, TI_PRE_COUNT undefined Fix a build error for undefined 'TI_PRE_COUNT' by adding it to asm-offsets.c. h8300-linux-ld: arch/h8300/kernel/entry.o: in function `resume_kernel': (.text+0x29a): undefined reference to `TI_PRE_COUNT' Link: https://lkml.kernel.org/r/20210212021650.22740-1-rdunlap@xxxxxxxxxxxxx Fixes: df2078b8daa7 ("h8300: Low level entry") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/h8300/kernel/asm-offsets.c | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/h8300/kernel/asm-offsets.c~h8300-fix-preemption-build-ti_pre_count-undefined +++ a/arch/h8300/kernel/asm-offsets.c @@ -63,6 +63,9 @@ int main(void) OFFSET(TI_FLAGS, thread_info, flags); OFFSET(TI_CPU, thread_info, cpu); OFFSET(TI_PRE, thread_info, preempt_count); +#ifdef CONFIG_PREEMPTION + DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); +#endif return 0; } _
