arm64: simplify ptrauth initialization

[linux-2.6-microblaze.git] / arch / arm64 / kernel / smp.c

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 061f60f..d6d337d 100644 (file)
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -114,10 +114,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
         */
        secondary_data.task = idle;
        secondary_data.stack = task_stack_page(idle) + THREAD_SIZE;
-#if defined(CONFIG_ARM64_PTR_AUTH)
-       secondary_data.ptrauth_key.apia.lo = idle->thread.keys_kernel.apia.lo;
-       secondary_data.ptrauth_key.apia.hi = idle->thread.keys_kernel.apia.hi;
-#endif
        update_cpu_boot_status(CPU_MMU_OFF);
        __flush_dcache_area(&secondary_data, sizeof(secondary_data));
 
@@ -140,10 +136,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
        pr_crit("CPU%u: failed to come online\n", cpu);
        secondary_data.task = NULL;
        secondary_data.stack = NULL;
-#if defined(CONFIG_ARM64_PTR_AUTH)
-       secondary_data.ptrauth_key.apia.lo = 0;
-       secondary_data.ptrauth_key.apia.hi = 0;
-#endif
        __flush_dcache_area(&secondary_data, sizeof(secondary_data));
        status = READ_ONCE(secondary_data.status);
        if (status == CPU_MMU_OFF)