diff options
| -rw-r--r-- | arch/riscv/include/asm/cpu_ops.h | 2 | ||||
| -rw-r--r-- | arch/riscv/kernel/cpu-hotplug.c | 4 | ||||
| -rw-r--r-- | arch/riscv/kernel/cpu_ops_sbi.c | 11 |
3 files changed, 10 insertions, 7 deletions
diff --git a/arch/riscv/include/asm/cpu_ops.h b/arch/riscv/include/asm/cpu_ops.h index 176b570ef982..065811fca594 100644 --- a/arch/riscv/include/asm/cpu_ops.h +++ b/arch/riscv/include/asm/cpu_ops.h @@ -24,7 +24,7 @@ struct cpu_operations { struct task_struct *tidle); #ifdef CONFIG_HOTPLUG_CPU void (*cpu_stop)(void); - int (*cpu_is_stopped)(unsigned int cpu); + bool (*cpu_is_stopped)(unsigned int cpu); #endif }; diff --git a/arch/riscv/kernel/cpu-hotplug.c b/arch/riscv/kernel/cpu-hotplug.c index a0ee426f6d93..0bc56d8381b6 100644 --- a/arch/riscv/kernel/cpu-hotplug.c +++ b/arch/riscv/kernel/cpu-hotplug.c @@ -57,8 +57,8 @@ void arch_cpuhp_cleanup_dead_cpu(unsigned int cpu) /* Verify from the firmware if the cpu is really stopped*/ if (cpu_ops->cpu_is_stopped) ret = cpu_ops->cpu_is_stopped(cpu); - if (ret) - pr_warn("CPU%u may not have stopped: %d\n", cpu, ret); + if (!ret) + pr_warn("CPU%u may not have stopped\n", cpu); } /* diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c index 00aff669f5f2..146ceab1011f 100644 --- a/arch/riscv/kernel/cpu_ops_sbi.c +++ b/arch/riscv/kernel/cpu_ops_sbi.c @@ -88,16 +88,19 @@ static void sbi_cpu_stop(void) pr_crit("Unable to stop the cpu %d (%d)\n", smp_processor_id(), ret); } -static int sbi_cpu_is_stopped(unsigned int cpuid) +static bool sbi_cpu_is_stopped(unsigned int cpuid) { int rc; unsigned long hartid = cpuid_to_hartid_map(cpuid); rc = sbi_hsm_hart_get_status(hartid); - if (rc == SBI_HSM_STATE_STOPPED) - return 0; - return rc; + if (rc != SBI_HSM_STATE_STOPPED) { + pr_warn("HART%lu isn't stopped; status %d\n", hartid, rc); + return false; + } + + return true; } #endif |