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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:37:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:37:50 -0700 |
| commit | 10f2a2b0f68abf39c06cf519cbc1740fa50f900b (patch) | |
| tree | 70b33e4437ae0d5ac92f56c60b048756bde7f3e4 /arch/x86/kernel/smpboot.c | |
| parent | 8814011679d1a47d8b0158fc991727a5859471a0 (diff) | |
| parent | b40827fa7268fda8a62490728a61c2856f33830b (diff) | |
| download | kernel_samsung_crespo-10f2a2b0f68abf39c06cf519cbc1740fa50f900b.zip kernel_samsung_crespo-10f2a2b0f68abf39c06cf519cbc1740fa50f900b.tar.gz kernel_samsung_crespo-10f2a2b0f68abf39c06cf519cbc1740fa50f900b.tar.bz2 | |
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-32, mm: Add an initial page table for core bootstrapping
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index dfb5089..6af1185 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -299,22 +299,16 @@ notrace static void __cpuinit start_secondary(void *unused) * fragile that we want to limit the things done here to the * most necessary things. */ + cpu_init(); + preempt_disable(); + smp_callin(); #ifdef CONFIG_X86_32 - /* - * Switch away from the trampoline page-table - * - * Do this before cpu_init() because it needs to access per-cpu - * data which may not be mapped in the trampoline page-table. - */ + /* switch away from the initial page table */ load_cr3(swapper_pg_dir); __flush_tlb_all(); #endif - cpu_init(); - preempt_disable(); - smp_callin(); - /* otherwise gcc will move up smp_processor_id before the cpu_init */ barrier(); /* @@ -785,7 +779,6 @@ do_rest: #ifdef CONFIG_X86_32 /* Stack for startup_32 can be just as for start_secondary onwards */ irq_ctx_init(cpu); - initial_page_table = __pa(&trampoline_pg_dir); #else clear_tsk_thread_flag(c_idle.idle, TIF_FORK); initial_gs = per_cpu_offset(cpu); @@ -934,7 +927,6 @@ int __cpuinit native_cpu_up(unsigned int cpu) per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; err = do_boot_cpu(apicid, cpu); - if (err) { pr_debug("do_boot_cpu failed %d\n", err); return -EIO; |