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authorIngo Molnar <mingo@kernel.org>2019-10-31 09:33:19 +0100
committerIngo Molnar <mingo@kernel.org>2019-10-31 09:33:19 +0100
commit43e0ae7ae0f567a3f8c10ec7a4078bc482660921 (patch)
treef44975fcd01ee1a6c5f519bf0456e1547a5e3752 /arch
parent320000e72ec0613e164ce9608d865396fb2da278 (diff)
parent8dcdfb7096a304130ab36fbb0f2961deaf863e5a (diff)
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU and LKMM changes from Paul E. McKenney: - Documentation updates. - Miscellaneous fixes. - Dynamic tick (nohz) updates, perhaps most notably changes to force the tick on when needed due to lengthy in-kernel execution on CPUs on which RCU is waiting. - Replace rcu_swap_protected() with rcu_prepace_pointer(). - Torture-test updates. - Linux-kernel memory consistency model updates. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/pmu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 46875bbd0419..5ddb05a26a1b 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -416,8 +416,8 @@ int kvm_vm_ioctl_set_pmu_event_filter(struct kvm *kvm, void __user *argp)
*filter = tmp;
mutex_lock(&kvm->lock);
- rcu_swap_protected(kvm->arch.pmu_event_filter, filter,
- mutex_is_locked(&kvm->lock));
+ filter = rcu_replace_pointer(kvm->arch.pmu_event_filter, filter,
+ mutex_is_locked(&kvm->lock));
mutex_unlock(&kvm->lock);
synchronize_srcu_expedited(&kvm->srcu);