From: Li RongQing <lirongqing@xxxxxxxxx>
The callback function of call_rcu() just calls kvfree(), so we can
use kvfree_rcu() instead of call_rcu() + callback function.
Signed-off-by: Li RongQing <lirongqing@xxxxxxxxx>
---
arch/x86/kvm/lapic.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 3c83951..d6e62a2 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -221,13 +221,6 @@ static inline bool kvm_apic_map_get_logical_dest(struct kvm_apic_map *map,
}
}
-static void kvm_apic_map_free(struct rcu_head *rcu)
-{
- struct kvm_apic_map *map = container_of(rcu, struct kvm_apic_map, rcu);
-
- kvfree(map);
-}
-
static int kvm_recalculate_phys_map(struct kvm_apic_map *new,
struct kvm_vcpu *vcpu,
bool *xapic_id_mismatch)
@@ -489,7 +482,7 @@ static void kvm_recalculate_apic_map(struct kvm *kvm)
mutex_unlock(&kvm->arch.apic_map_lock);
if (old)
- call_rcu(&old->rcu, kvm_apic_map_free);
+ kvfree_rcu(old, rcu);
kvm_make_scan_ioapic_request(kvm);
}
--
2.9.4
