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Diffstat (limited to 'arch/arm64/kernel/smp.c')
-rw-r--r--arch/arm64/kernel/smp.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 1ff18f5fbecb..4e3bfbde829a 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -108,7 +108,6 @@ static int boot_secondary(unsigned int cpu, struct task_struct *idle)
}
static DECLARE_COMPLETION(cpu_running);
-bool va52mismatch __ro_after_init;
int __cpu_up(unsigned int cpu, struct task_struct *idle)
{
@@ -138,10 +137,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
if (!cpu_online(cpu)) {
pr_crit("CPU%u: failed to come online\n", cpu);
-
- if (IS_ENABLED(CONFIG_ARM64_USER_VA_BITS_52) && va52mismatch)
- pr_crit("CPU%u: does not support 52-bit VAs\n", cpu);
-
ret = -EIO;
}
} else {
@@ -156,7 +151,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
if (status == CPU_MMU_OFF)
status = READ_ONCE(__early_cpu_boot_status);
- switch (status) {
+ switch (status & CPU_BOOT_STATUS_MASK) {
default:
pr_err("CPU%u: failed in unknown state : 0x%lx\n",
cpu, status);
@@ -170,6 +165,10 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
pr_crit("CPU%u: may not have shut down cleanly\n", cpu);
case CPU_STUCK_IN_KERNEL:
pr_crit("CPU%u: is stuck in kernel\n", cpu);
+ if (status & CPU_STUCK_REASON_52_BIT_VA)
+ pr_crit("CPU%u: does not support 52-bit VAs\n", cpu);
+ if (status & CPU_STUCK_REASON_NO_GRAN)
+ pr_crit("CPU%u: does not support %luK granule \n", cpu, PAGE_SIZE / SZ_1K);
cpus_stuck_in_kernel++;
break;
case CPU_PANIC_KERNEL: