From: Mirela Simonovic <mirela.simono...@aggios.com>
These functions will be reused by suspend/resume support for ARM.
Signed-off-by: Mirela Simonovic <mirela.simono...@aggios.com>
Signed-off-by: Saeed Nowshadi <saeed.nowsh...@xilinx.com>
Signed-off-by: Mykyta Poturai <mykyta_potu...@epam.com>
Signed-off-by: Mykola Kvach <mykola_kv...@epam.com>
---
xen/arch/x86/acpi/power.c | 29 -----------------------------
xen/common/domain.c | 30 ++++++++++++++++++++++++++++++
xen/include/xen/sched.h | 3 +++
3 files changed, 33 insertions(+), 29 deletions(-)
diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c
index d0b67614d5..f38398827e 100644
--- a/xen/arch/x86/acpi/power.c
+++ b/xen/arch/x86/acpi/power.c
@@ -137,35 +137,6 @@ static void device_power_up(enum dev_power_saved saved)
}
}
-static void freeze_domains(void)
-{
- struct domain *d;
-
- rcu_read_lock(&domlist_read_lock);
- /*
- * Note that we iterate in order of domain-id. Hence we will pause dom0
- * first which is required for correctness (as only dom0 can add domains to
- * the domain list). Otherwise we could miss concurrently-created domains.
- */
- for_each_domain ( d )
- domain_pause(d);
- rcu_read_unlock(&domlist_read_lock);
-
- scheduler_disable();
-}
-
-static void thaw_domains(void)
-{
- struct domain *d;
-
- scheduler_enable();
-
- rcu_read_lock(&domlist_read_lock);
- for_each_domain ( d )
- domain_unpause(d);
- rcu_read_unlock(&domlist_read_lock);
-}
-
static void acpi_sleep_prepare(u32 state)
{
void *wakeup_vector_va;
diff --git a/xen/common/domain.c b/xen/common/domain.c
index 0c4cc77111..49ff84d2f5 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -2259,6 +2259,36 @@ int continue_hypercall_on_cpu(
return 0;
}
+
+void freeze_domains(void)
+{
+ struct domain *d;
+
+ rcu_read_lock(&domlist_read_lock);
+ /*
+ * Note that we iterate in order of domain-id. Hence we will pause dom0
+ * first which is required for correctness (as only dom0 can add domains to
+ * the domain list). Otherwise we could miss concurrently-created domains.
+ */
+ for_each_domain ( d )
+ domain_pause(d);
+ rcu_read_unlock(&domlist_read_lock);
+
+ scheduler_disable();
+}
+
+void thaw_domains(void)
+{
+ struct domain *d;
+
+ scheduler_enable();
+
+ rcu_read_lock(&domlist_read_lock);
+ for_each_domain ( d )
+ domain_unpause(d);
+ rcu_read_unlock(&domlist_read_lock);
+}
+
/*
* Local variables:
* mode: C
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 037c83fda2..177784e6da 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -1059,6 +1059,9 @@ static inline struct vcpu *domain_vcpu(const struct
domain *d,
return vcpu_id >= d->max_vcpus ? NULL : d->vcpu[idx];
}
+void freeze_domains(void);
+void thaw_domains(void);
+
void cpu_init(void);
/*
--
2.43.0
