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authorPaolo Bonzini <pbonzini@redhat.com>2018-06-01 19:17:22 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-06-01 19:17:22 +0200
commit5eec43a1fa2a7ec5225411c97538fa582d36f579 (patch)
tree22928042a707851ab4359eb45e7bda04a374f4d3 /include/linux
parentKVM: docs: mmu: Fix link to NPT presentation from KVM Forum 2008 (diff)
parentKVM: arm/arm64: Bump VGIC_V3_MAX_CPUS to 512 (diff)
Merge tag 'kvmarm-for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/ARM updates for 4.18 - Lazy context-switching of FPSIMD registers on arm64 - Allow virtual redistributors to be part of two or more MMIO ranges
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/kvm_host.h9
-rw-r--r--include/linux/sched.h6
-rw-r--r--include/linux/thread_info.h11
3 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 14e710d639c7..b81769a5a2b7 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1273,4 +1273,13 @@ 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 c2413703f45d..ff289ae6b787 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1618,6 +1618,12 @@ 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) \