diff options
| -rw-r--r-- | arch/arm64/include/asm/smp.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h index a62db952ffcb..d050d720a1b4 100644 --- a/arch/arm64/include/asm/smp.h +++ b/arch/arm64/include/asm/smp.h @@ -41,8 +41,10 @@ DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); * We don't use this_cpu_read(cpu_number) as that has implicit writes to * preempt_count, and associated (compiler) barriers, that we'd like to avoid * the expense of. If we're preemptible, the value can be stale at use anyway. + * And we can't use this_cpu_ptr() either, as that winds up recursing back + * here under CONFIG_DEBUG_PREEMPT=y. */ -#define raw_smp_processor_id() (*this_cpu_ptr(&cpu_number)) +#define raw_smp_processor_id() (*raw_cpu_ptr(&cpu_number)) struct seq_file; |