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-rw-r--r--include/linux/kvm_host.h19
-rw-r--r--include/linux/sched.h6
-rw-r--r--include/linux/thread_info.h11
3 files changed, 35 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6d6e79c59e68..4ee7bc548a83 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -19,6 +19,7 @@
#include <linux/preempt.h>
#include <linux/msi.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <linux/rcupdate.h>
#include <linux/ratelimit.h>
#include <linux/err.h>
@@ -730,13 +731,16 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
void kvm_flush_remote_tlbs(struct kvm *kvm);
void kvm_reload_remote_mmus(struct kvm *kvm);
+
+bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
+ unsigned long *vcpu_bitmap, cpumask_var_t tmp);
bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req);
long kvm_arch_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
long kvm_arch_vcpu_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
-int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf);
+vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf);
int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext);
@@ -808,6 +812,10 @@ bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
#ifndef __KVM_HAVE_ARCH_VM_ALLOC
+/*
+ * All architectures that want to use vzalloc currently also
+ * need their own kvm_arch_alloc_vm implementation.
+ */
static inline struct kvm *kvm_arch_alloc_vm(void)
{
return kzalloc(sizeof(struct kvm), GFP_KERNEL);
@@ -1270,4 +1278,13 @@ static inline long kvm_arch_vcpu_async_ioctl(struct file *filp,
void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
unsigned long start, unsigned long end);
+#ifdef CONFIG_HAVE_KVM_VCPU_RUN_PID_CHANGE
+int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu);
+#else
+static inline int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
+{
+ return 0;
+}
+#endif /* CONFIG_HAVE_KVM_VCPU_RUN_PID_CHANGE */
+
#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3aa4fcb74e76..16e4d984fe51 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1639,6 +1639,12 @@ static inline void clear_tsk_thread_flag(struct task_struct *tsk, int flag)
clear_ti_thread_flag(task_thread_info(tsk), flag);
}
+static inline void update_tsk_thread_flag(struct task_struct *tsk, int flag,
+ bool value)
+{
+ update_ti_thread_flag(task_thread_info(tsk), flag, value);
+}
+
static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag)
{
return test_and_set_ti_thread_flag(task_thread_info(tsk), flag);
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index cf2862bd134a..8d8821b3689a 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -60,6 +60,15 @@ static inline void clear_ti_thread_flag(struct thread_info *ti, int flag)
clear_bit(flag, (unsigned long *)&ti->flags);
}
+static inline void update_ti_thread_flag(struct thread_info *ti, int flag,
+ bool value)
+{
+ if (value)
+ set_ti_thread_flag(ti, flag);
+ else
+ clear_ti_thread_flag(ti, flag);
+}
+
static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag)
{
return test_and_set_bit(flag, (unsigned long *)&ti->flags);
@@ -79,6 +88,8 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
set_ti_thread_flag(current_thread_info(), flag)
#define clear_thread_flag(flag) \
clear_ti_thread_flag(current_thread_info(), flag)
+#define update_thread_flag(flag, value) \
+ update_ti_thread_flag(current_thread_info(), flag, value)
#define test_and_set_thread_flag(flag) \
test_and_set_ti_thread_flag(current_thread_info(), flag)
#define test_and_clear_thread_flag(flag) \