From 4370ee4d3b7772158174bf6f0bf08359c2ccf54b Mon Sep 17 00:00:00 2001 From: Glauber de Oliveira Costa Date: Wed, 19 Mar 2008 14:25:52 -0300 Subject: [PATCH] x86: call do_boot_cpu directly from native_cpu_up We don't need __smp_prepare_cpu anymore. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot_32.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 5165b11..4ba5ab2 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -702,20 +702,6 @@ void cpu_exit_clear(void) } #endif -static void __cpuinit __smp_prepare_cpu(int cpu) -{ - int apicid; - - apicid = per_cpu(x86_cpu_to_apicid, cpu); - - /* init low mem mapping */ - clone_pgd_range(swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS, - min_t(unsigned long, KERNEL_PGD_PTRS, USER_PGD_PTRS)); - flush_tlb_all(); - - do_boot_cpu(apicid, cpu); -} - static int boot_cpu_logical_apicid; /* Where the IO area was mapped on multiquad, always 0 otherwise */ void *xquad_portio; @@ -872,7 +858,12 @@ int __cpuinit native_cpu_up(unsigned int cpu) per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; - __smp_prepare_cpu(cpu); + /* init low mem mapping */ + clone_pgd_range(swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS, + min_t(unsigned long, KERNEL_PGD_PTRS, USER_PGD_PTRS)); + flush_tlb_all(); + + do_boot_cpu(apicid, cpu); /* In case one didn't come up */ if (!cpu_isset(cpu, cpu_callin_map)) { -- 2.7.4