diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index cbeaa2f3844b..c73714b6aa96 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -116,12 +116,16 @@ void __init early_print(const char *str, ...) void __init smp_setup_processor_id(void) { + u64 mpidr = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; + cpu_logical_map(0) = mpidr; + /* * clear __my_cpu_offset on boot CPU to avoid hang caused by * using percpu variable early, for example, lockdep will * access percpu variable inside lock_release */ set_my_cpu_offset(0); + pr_info("Booting Linux on physical CPU 0x%lx\n", (unsigned long)mpidr); } bool arch_match_cpu_phys_id(int cpu, u64 phys_id) @@ -399,7 +403,6 @@ void __init setup_arch(char **cmdline_p) psci_init(); - cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; cpu_read_bootcpu_ops(); #ifdef CONFIG_SMP smp_init_cpus(); |