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x86: apic: simplify secondary CPU wakeup methods, fix

Browse source 
Impact: build fix

init_deasserted is only available on SMP. Make the secondary-wakeup
function conditional on SMP.

Also clean up the file some.

Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-02-26 14:10:10 +01:00
parent 1f5bcabf1b
commit 0b1da1c8fc
1 changed files with 18 additions and 17 deletions
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35
arch/x86/kernel/apic/x2apic_uv_x.c
View file

@ -7,28 +7,28 @@
*
* Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/hardirq.h>
#include <linux/proc_fs.h>
#include <linux/threads.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/hardirq.h>
#include <linux/timer.h>
#include <linux/proc_fs.h>
#include <asm/current.h>
#include <asm/smp.h>
#include <asm/apic.h>
#include <asm/ipi.h>
#include <asm/pgtable.h>
#include <asm/uv/uv.h>
#include <linux/cpu.h>
#include <linux/init.h>
#include <asm/uv/uv_mmrs.h>
#include <asm/uv/uv_hub.h>
#include <asm/current.h>
#include <asm/pgtable.h>
#include <asm/uv/bios.h>
#include <asm/uv/uv.h>
#include <asm/apic.h>
#include <asm/ipi.h>
#include <asm/smp.h>
DEFINE_PER_CPU(int, x2apic_extra_bits);
@ -93,6 +93,7 @@ static void uv_vector_allocation_domain(int cpu, struct cpumask *retmask)
static int uv_wakeup_secondary(int phys_apicid, unsigned long start_rip)
{
#ifdef CONFIG_SMP
unsigned long val;
int pnode;
@ -111,7 +112,7 @@ static int uv_wakeup_secondary(int phys_apicid, unsigned long start_rip)
uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
atomic_set(&init_deasserted, 1);
#endif
return 0;
}
@ -368,7 +369,7 @@ static __init void map_high(char *id, unsigned long base, int shift,
paddr = base << shift;
bytes = (1UL << shift) * (max_pnode + 1);
printk(KERN_INFO "UV: Map %s_HI 0x%lx - 0x%lx\n", id, paddr,
paddr + bytes);
paddr + bytes);
if (map_type == map_uc)
init_extra_mapping_uc(paddr, bytes);
else
@ -531,7 +532,7 @@ late_initcall(uv_init_heartbeat);
/*
* Called on each cpu to initialize the per_cpu UV data area.
* ZZZ hotplug not supported yet
* FIXME: hotplug not supported yet
*/
void __cpuinit uv_cpu_init(void)
{