diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r-- | arch/x86/kernel/smpboot.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index f78801114ee1..259d1d2be076 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -210,28 +210,16 @@ static int enable_start_cpu0; */ static void notrace start_secondary(void *unused) { - unsigned long cr4 = __read_cr4(); - /* * Don't put *anything* except direct CPU state initialization * before cpu_init(), SMP booting is too fragile that we want to * limit the things done here to the most necessary things. */ - if (boot_cpu_has(X86_FEATURE_PCID)) - cr4 |= X86_CR4_PCIDE; - if (static_branch_likely(&cr_pinning)) - cr4 |= cr4_pinned_bits; - - __write_cr4(cr4); + cr4_init(); #ifdef CONFIG_X86_32 /* switch away from the initial page table */ load_cr3(swapper_pg_dir); - /* - * Initialize the CR4 shadow before doing anything that could - * try to read it. - */ - cr4_init_shadow(); __flush_tlb_all(); #endif load_current_idt(); |