Commit 7bd06ec6 authored by Ingo Molnar's avatar Ingo Molnar

x86, smp: refactor ->store/restore_NMI_vector() methods

Only NUMAQ does something substantial here, because it initializes
via NMIs (not via INIT as standard SMP startup) - so it needs to
store and restore the NMI vector.

 - extend the generic code to handle NULL methods

 - clear out dummy methods and replace them with NULL

 - clean up: remove wrapper macros, etc.
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 333344d9
......@@ -13,14 +13,6 @@ static inline void es7000_wait_for_init_deassert(atomic_t *deassert)
return;
}
static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
{
}
static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
{
}
extern void __inquire_remote_apic(int apicid);
static inline void inquire_remote_apic(int apicid)
......
......@@ -8,14 +8,6 @@ static inline void default_wait_for_init_deassert(atomic_t *deassert)
return;
}
static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
{
}
static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
{
}
#ifdef CONFIG_SMP
extern void __inquire_remote_apic(int apicid);
#else /* CONFIG_SMP */
......
#ifndef _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H
#define _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H
#define store_NMI_vector (apic->store_NMI_vector)
#define restore_NMI_vector (apic->restore_NMI_vector)
#define inquire_remote_apic (apic->inquire_remote_apic)
#endif /* _ASM_X86_MACH_GENERIC_MACH_APIC_H */
......@@ -15,7 +15,8 @@ static inline void numaq_smp_callin_clear_local_apic(void)
clear_local_APIC();
}
static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
static inline void
numaq_store_NMI_vector(unsigned short *high, unsigned short *low)
{
printk("Storing NMI vector\n");
*high =
......@@ -24,7 +25,8 @@ static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
*((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_LOW));
}
static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
static inline void
numaq_restore_NMI_vector(unsigned short *high, unsigned short *low)
{
printk("Restoring NMI vector\n");
*((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_HIGH)) =
......
......@@ -826,7 +826,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
pr_debug("Setting warm reset code and vector.\n");
store_NMI_vector(&nmi_high, &nmi_low);
if (apic->store_NMI_vector)
apic->store_NMI_vector(&nmi_high, &nmi_low);
smpboot_setup_warm_reset_vector(start_ip);
/*
......
......@@ -110,8 +110,7 @@ struct genapic apic_bigsmp = {
.wait_for_init_deassert = default_wait_for_init_deassert,
.smp_callin_clear_local_apic = NULL,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.store_NMI_vector = NULL,
.restore_NMI_vector = NULL,
.inquire_remote_apic = inquire_remote_apic,
};
......@@ -91,7 +91,7 @@ struct genapic apic_default = {
.wait_for_init_deassert = default_wait_for_init_deassert,
.smp_callin_clear_local_apic = NULL,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.store_NMI_vector = NULL,
.restore_NMI_vector = NULL,
.inquire_remote_apic = inquire_remote_apic,
};
......@@ -147,8 +147,7 @@ struct genapic apic_es7000 = {
/* Nothing to do for most platforms, since cleared by the INIT cycle: */
.smp_callin_clear_local_apic = NULL,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.store_NMI_vector = NULL,
.restore_NMI_vector = NULL,
.inquire_remote_apic = inquire_remote_apic,
};
......@@ -111,7 +111,7 @@ struct genapic apic_numaq = {
.wait_for_init_deassert = NULL,
.smp_callin_clear_local_apic = numaq_smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.store_NMI_vector = numaq_store_NMI_vector,
.restore_NMI_vector = numaq_restore_NMI_vector,
.inquire_remote_apic = inquire_remote_apic,
};
......@@ -90,8 +90,7 @@ struct genapic apic_summit = {
.wait_for_init_deassert = default_wait_for_init_deassert,
.smp_callin_clear_local_apic = NULL,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.store_NMI_vector = NULL,
.restore_NMI_vector = NULL,
.inquire_remote_apic = inquire_remote_apic,
};
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