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-rw-r--r--arch/x86/xen/enlighten.c27
-rw-r--r--arch/x86/xen/mmu.c2
-rw-r--r--arch/x86/xen/smp.c1
-rw-r--r--arch/x86/xen/suspend.c17
-rw-r--r--arch/x86/xen/time.c7
-rw-r--r--arch/x86/xen/xen-asm_64.S4
-rw-r--r--arch/x86/xen/xen-ops.h2
7 files changed, 39 insertions, 21 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c462cea8ef0..b8e45f164e2 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -138,24 +138,23 @@ static void xen_vcpu_setup(int cpu)
*/
void xen_vcpu_restore(void)
{
- if (have_vcpu_info_placement) {
- int cpu;
+ int cpu;
- for_each_online_cpu(cpu) {
- bool other_cpu = (cpu != smp_processor_id());
+ for_each_online_cpu(cpu) {
+ bool other_cpu = (cpu != smp_processor_id());
- if (other_cpu &&
- HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL))
- BUG();
+ if (other_cpu &&
+ HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL))
+ BUG();
- xen_vcpu_setup(cpu);
+ xen_setup_runstate_info(cpu);
- if (other_cpu &&
- HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL))
- BUG();
- }
+ if (have_vcpu_info_placement)
+ xen_vcpu_setup(cpu);
- BUG_ON(!have_vcpu_info_placement);
+ if (other_cpu &&
+ HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL))
+ BUG();
}
}
@@ -1180,6 +1179,8 @@ asmlinkage void __init xen_start_kernel(void)
xen_raw_console_write("about to get started...\n");
+ xen_setup_runstate_info(0);
+
/* Start the world */
#ifdef CONFIG_X86_32
i386_start_kernel();
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 3bf7b1d250c..bf4cd6bfe95 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -185,7 +185,7 @@ static inline unsigned p2m_index(unsigned long pfn)
}
/* Build the parallel p2m_top_mfn structures */
-static void __init xen_build_mfn_list_list(void)
+void xen_build_mfn_list_list(void)
{
unsigned pfn, idx;
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 738da0cb0d8..64757c0ba5f 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -295,6 +295,7 @@ static int __cpuinit xen_cpu_up(unsigned int cpu)
(unsigned long)task_stack_page(idle) -
KERNEL_STACK_OFFSET + THREAD_SIZE;
#endif
+ xen_setup_runstate_info(cpu);
xen_setup_timer(cpu);
xen_init_lock_cpu(cpu);
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index 95be7b43472..987267f79bf 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -1,4 +1,5 @@
#include <linux/types.h>
+#include <linux/clockchips.h>
#include <xen/interface/xen.h>
#include <xen/grant_table.h>
@@ -27,6 +28,8 @@ void xen_pre_suspend(void)
void xen_post_suspend(int suspend_cancelled)
{
+ xen_build_mfn_list_list();
+
xen_setup_shared_info();
if (suspend_cancelled) {
@@ -44,7 +47,19 @@ void xen_post_suspend(int suspend_cancelled)
}
+static void xen_vcpu_notify_restore(void *data)
+{
+ unsigned long reason = (unsigned long)data;
+
+ /* Boot processor notified via generic timekeeping_resume() */
+ if ( smp_processor_id() == 0)
+ return;
+
+ clockevents_notify(reason, NULL);
+}
+
void xen_arch_resume(void)
{
- /* nothing */
+ smp_call_function(xen_vcpu_notify_restore,
+ (void *)CLOCK_EVT_NOTIFY_RESUME, 1);
}
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 0a5aa44299a..9d1f853120d 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -100,7 +100,7 @@ bool xen_vcpu_stolen(int vcpu)
return per_cpu(runstate, vcpu).state == RUNSTATE_runnable;
}
-static void setup_runstate_info(int cpu)
+void xen_setup_runstate_info(int cpu)
{
struct vcpu_register_runstate_memory_area area;
@@ -434,7 +434,7 @@ void xen_setup_timer(int cpu)
name = "<timer kasprintf failed>";
irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, xen_timer_interrupt,
- IRQF_DISABLED|IRQF_PERCPU|IRQF_NOBALANCING,
+ IRQF_DISABLED|IRQF_PERCPU|IRQF_NOBALANCING|IRQF_TIMER,
name, NULL);
evt = &per_cpu(xen_clock_events, cpu);
@@ -442,8 +442,6 @@ void xen_setup_timer(int cpu)
evt->cpumask = cpumask_of(cpu);
evt->irq = irq;
-
- setup_runstate_info(cpu);
}
void xen_teardown_timer(int cpu)
@@ -494,6 +492,7 @@ __init void xen_time_init(void)
setup_force_cpu_cap(X86_FEATURE_TSC);
+ xen_setup_runstate_info(cpu);
xen_setup_timer(cpu);
xen_setup_cpu_clockevents();
}
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index 02f496a8dba..53adefda427 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -96,7 +96,7 @@ ENTRY(xen_sysret32)
pushq $__USER32_CS
pushq %rcx
- pushq $VGCF_in_syscall
+ pushq $0
1: jmp hypercall_iret
ENDPATCH(xen_sysret32)
RELOC(xen_sysret32, 1b+1)
@@ -151,7 +151,7 @@ ENTRY(xen_syscall32_target)
ENTRY(xen_sysenter_target)
lea 16(%rsp), %rsp /* strip %rcx, %r11 */
mov $-ENOSYS, %rax
- pushq $VGCF_in_syscall
+ pushq $0
jmp hypercall_iret
ENDPROC(xen_syscall32_target)
ENDPROC(xen_sysenter_target)
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 355fa6b99c9..f9153a300bc 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -25,6 +25,7 @@ extern struct shared_info *HYPERVISOR_shared_info;
void xen_setup_mfn_list_list(void);
void xen_setup_shared_info(void);
+void xen_build_mfn_list_list(void);
void xen_setup_machphys_mapping(void);
pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
void xen_ident_map_ISA(void);
@@ -41,6 +42,7 @@ void __init xen_build_dynamic_phys_to_machine(void);
void xen_init_irq_ops(void);
void xen_setup_timer(int cpu);
+void xen_setup_runstate_info(int cpu);
void xen_teardown_timer(int cpu);
cycle_t xen_clocksource_read(void);
void xen_setup_cpu_clockevents(void);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-25 10:09:25 +0000