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-rw-r--r--arch/x86/xen/enlighten.c4
-rw-r--r--arch/x86/xen/mmu.c2
-rw-r--r--arch/x86/xen/platform-pci-unplug.c2
-rw-r--r--arch/x86/xen/setup.c41
-rw-r--r--arch/x86/xen/suspend.c1
-rw-r--r--arch/x86/xen/time.c2
-rw-r--r--arch/x86/xen/xen-ops.h2
7 files changed, 19 insertions, 35 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 02c710bebf7..44dcad43989 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1021,10 +1021,6 @@ static void xen_reboot(int reason)
{
struct sched_shutdown r = { .reason = reason };
-#ifdef CONFIG_SMP
- stop_other_cpus();
-#endif
-
if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
BUG();
}
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index a1feff9e59b..44924e551fd 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2415,8 +2415,6 @@ void __init xen_init_mmu_ops(void)
x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done;
pv_mmu_ops = xen_mmu_ops;
- vmap_lazy_unmap = false;
-
memset(dummy_mapping, 0xff, PAGE_SIZE);
}
diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
index 0f456386cce..25c52f94a27 100644
--- a/arch/x86/xen/platform-pci-unplug.c
+++ b/arch/x86/xen/platform-pci-unplug.c
@@ -68,7 +68,7 @@ static int __init check_platform_magic(void)
return 0;
}
-void __init xen_unplug_emulated_devices(void)
+void xen_unplug_emulated_devices(void)
{
int r;
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 01afd8a9460..b5a7f928234 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -181,24 +181,21 @@ char * __init xen_memory_setup(void)
for (i = 0; i < memmap.nr_entries; i++) {
unsigned long long end = map[i].addr + map[i].size;
- if (map[i].type == E820_RAM) {
- if (map[i].addr < mem_end && end > mem_end) {
- /* Truncate region to max_mem. */
- u64 delta = end - mem_end;
+ if (map[i].type == E820_RAM && end > mem_end) {
+ /* RAM off the end - may be partially included */
+ u64 delta = min(map[i].size, end - mem_end);
- map[i].size -= delta;
- extra_pages += PFN_DOWN(delta);
+ map[i].size -= delta;
+ end -= delta;
- end = mem_end;
- }
+ extra_pages += PFN_DOWN(delta);
}
- if (end > xen_extra_mem_start)
+ if (map[i].size > 0 && end > xen_extra_mem_start)
xen_extra_mem_start = end;
- /* If region is non-RAM or below mem_end, add what remains */
- if ((map[i].type != E820_RAM || map[i].addr < mem_end) &&
- map[i].size > 0)
+ /* Add region if any remains */
+ if (map[i].size > 0)
e820_add_region(map[i].addr, map[i].size, map[i].type);
}
@@ -252,20 +249,6 @@ char * __init xen_memory_setup(void)
return "Xen";
}
-static void xen_idle(void)
-{
- local_irq_disable();
-
- if (need_resched())
- local_irq_enable();
- else {
- current_thread_info()->status &= ~TS_POLLING;
- smp_mb__after_clear_bit();
- safe_halt();
- current_thread_info()->status |= TS_POLLING;
- }
-}
-
/*
* Set the bit indicating "nosegneg" library variants should be used.
* We only need to bother in pure 32-bit mode; compat 32-bit processes
@@ -362,7 +345,11 @@ void __init xen_arch_setup(void)
MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ?
COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);
- pm_idle = xen_idle;
+ /* Set up idle, making sure it calls safe_halt() pvop */
+#ifdef CONFIG_X86_32
+ boot_cpu_data.hlt_works_ok = 1;
+#endif
+ pm_idle = default_idle;
fiddle_vdso();
}
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index 1d789d56877..9bbd63a129b 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -31,6 +31,7 @@ void xen_hvm_post_suspend(int suspend_cancelled)
int cpu;
xen_hvm_init_shared_info();
xen_callback_vector();
+ xen_unplug_emulated_devices();
if (xen_feature(XENFEAT_hvm_safe_pvclock)) {
for_each_online_cpu(cpu) {
xen_setup_runstate_info(cpu);
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index b2bb5aa3b05..5da5e53fb94 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -426,6 +426,8 @@ void xen_timer_resume(void)
{
int cpu;
+ pvclock_resume();
+
if (xen_clockevent != &xen_vcpuop_clockevent)
return;
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 64044747348..9d41bf98575 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -43,7 +43,7 @@ void xen_vcpu_restore(void);
void xen_callback_vector(void);
void xen_hvm_init_shared_info(void);
-void __init xen_unplug_emulated_devices(void);
+void xen_unplug_emulated_devices(void);
void __init xen_build_dynamic_phys_to_machine(void);