/* two abstractions specific to kernel/smpboot.c, mainly to cater to visws
* which needs to alter them. */
static inline void smpboot_clear_io_apic_irqs(void)
{
#ifdef CONFIG_X86_IO_APIC
io_apic_irqs = 0;
#endif
}
static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip)
CMOS_WRITE(0xa, 0xf);
local_flush_tlb();
pr_debug("1.\n");
*((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_high)) =
start_eip >> 4;
pr_debug("2.\n");
*((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_low)) =
start_eip & 0xf;
pr_debug("3.\n");
static inline void smpboot_restore_warm_reset_vector(void)
/*
* Install writable page 0 entry to set BIOS data area.
*/
* Paranoid: Set warm reset code and vector here back
* to default values.
CMOS_WRITE(0, 0xf);
*((volatile long *)phys_to_virt(apic->trampoline_phys_low)) = 0;
static inline void __init smpboot_setup_io_apic(void)
* Here we can be sure that there is an IO-APIC in the system. Let's
* go and set it up:
if (!skip_ioapic_setup && nr_ioapics)
setup_IO_APIC();
else {
nr_ioapics = 0;
localise_nmi_watchdog();
static inline void smpboot_clear_io_apic(void)