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Signed-off-by: Mirela Simonovic Signed-off-by: Saeed Nowshadi Signed-off-by: Mykyta Poturai Signed-off-by: Mykola Kvach --- 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) } } =20 -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 domai= ns to - * the domain list). Otherwise we could miss concurrently-created doma= ins. - */ - 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; } =20 + +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 domai= ns to + * the domain list). Otherwise we could miss concurrently-created doma= ins. + */ + 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 d= omain *d, return vcpu_id >=3D d->max_vcpus ? NULL : d->vcpu[idx]; } =20 +void freeze_domains(void); +void thaw_domains(void); + void cpu_init(void); =20 /* --=20 2.43.0