Merge branch 'x86/cpu' into x86/core
[deliverable/linux.git] / arch / x86 / xen / suspend.c
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1#include <linux/types.h>
2
3#include <xen/interface/xen.h>
4#include <xen/grant_table.h>
5#include <xen/events.h>
6
7#include <asm/xen/hypercall.h>
8#include <asm/xen/page.h>
9
10#include "xen-ops.h"
11#include "mmu.h"
12
13void xen_pre_suspend(void)
14{
15 xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn);
16 xen_start_info->console.domU.mfn =
17 mfn_to_pfn(xen_start_info->console.domU.mfn);
18
19 BUG_ON(!irqs_disabled());
20
21 HYPERVISOR_shared_info = &xen_dummy_shared_info;
22 if (HYPERVISOR_update_va_mapping(fix_to_virt(FIX_PARAVIRT_BOOTMAP),
23 __pte_ma(0), 0))
24 BUG();
25}
26
27void xen_post_suspend(int suspend_cancelled)
28{
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29 xen_setup_shared_info();
30
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31 if (suspend_cancelled) {
32 xen_start_info->store_mfn =
33 pfn_to_mfn(xen_start_info->store_mfn);
34 xen_start_info->console.domU.mfn =
35 pfn_to_mfn(xen_start_info->console.domU.mfn);
36 } else {
37#ifdef CONFIG_SMP
38 xen_cpu_initialized_map = cpu_online_map;
39#endif
9c7a7942 40 xen_vcpu_restore();
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41 }
42
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43}
44
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45void xen_arch_resume(void)
46{
47 /* nothing */
48}
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