diff options
Diffstat (limited to 'arch/arm64/kernel/head.S')
| -rw-r--r-- | arch/arm64/kernel/head.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 2cdacd1c141b..0baadf335172 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -724,14 +724,22 @@ __secondary_switched: adr_l x0, secondary_data ldr x1, [x0, #CPU_BOOT_STACK] // get secondary_data.stack + cbz x1, __secondary_too_slow mov sp, x1 ldr x2, [x0, #CPU_BOOT_TASK] + cbz x2, __secondary_too_slow msr sp_el0, x2 mov x29, #0 mov x30, #0 b secondary_start_kernel ENDPROC(__secondary_switched) +__secondary_too_slow: + wfe + wfi + b __secondary_too_slow +ENDPROC(__secondary_too_slow) + /* * The booting CPU updates the failed status @__early_cpu_boot_status, * with MMU turned off. |