diff options
Diffstat (limited to 'arch/i386/kernel/smpboot.c')
| -rw-r--r-- | arch/i386/kernel/smpboot.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index d16520da455..255adb49826 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -875,8 +875,7 @@ static inline struct task_struct * alloc_idle_task(int cpu) /* initialize thread_struct. we really want to avoid destroy * idle tread */ - idle->thread.esp = (unsigned long)(((struct pt_regs *) - (THREAD_SIZE + (unsigned long) idle->thread_info)) - 1); + idle->thread.esp = (unsigned long)task_pt_regs(idle); init_idle(idle, cpu); return idle; } @@ -903,6 +902,12 @@ static int __devinit do_boot_cpu(int apicid, int cpu) unsigned long start_eip; unsigned short nmi_high = 0, nmi_low = 0; + if (!cpu_gdt_descr[cpu].address && + !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { + printk("Failed to allocate GDT for CPU %d\n", cpu); + return 1; + } + ++cpucount; /* @@ -1090,6 +1095,7 @@ static void smp_tune_scheduling (void) cachesize = 16; /* Pentiums, 2x8kB cache */ bandwidth = 100; } + max_cache_size = cachesize * 1024; } } @@ -1338,8 +1344,7 @@ int __cpu_disable(void) if (cpu == 0) return -EBUSY; - /* We enable the timer again on the exit path of the death loop */ - disable_APIC_timer(); + clear_local_APIC(); /* Allow any queued timer interrupts to get serviced */ local_irq_enable(); mdelay(1); |