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> --- xen/arch/x86/acpi/power.c | 28 ---------------------------- xen/common/domain.c | 29 +++++++++++++++++++++++++++++ xen/include/xen/sched.h | 3 +++ 3 files changed, 32 insertions(+), 28 deletions(-)
diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c index 93e967fe8f..794750e45b 100644 --- a/xen/arch/x86/acpi/power.c +++ b/xen/arch/x86/acpi/power.c @@ -109,34 +109,6 @@ 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); -} - -static void thaw_domains(void) -{ - struct domain *d; - - rcu_read_lock(&domlist_read_lock); - for_each_domain ( d ) - { - restore_vcpu_affinity(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 d6650f0656..fdd00dc661 100644 --- a/xen/common/domain.c +++ b/xen/common/domain.c @@ -1666,6 +1666,35 @@ 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); +} + +void thaw_domains(void) +{ + struct domain *d; + + rcu_read_lock(&domlist_read_lock); + for_each_domain ( d ) + { + restore_vcpu_affinity(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 366acaf69a..c7a6d9504a 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -821,6 +821,9 @@ static inline int domain_pause_by_systemcontroller_nosync(struct domain *d) void domain_pause_except_self(struct domain *d); void domain_unpause_except_self(struct domain *d); +void freeze_domains(void); +void thaw_domains(void); + void cpu_init(void); struct scheduler; -- 2.13.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel