kvm_apic_eoi has higher access frequency, aligning it to
cacheline can give better performance
Signed-off-by: Li RongQing <lirongqing@xxxxxxxxx>
---
arch/x86/kernel/kvm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index d4e48b4..d413478 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -330,7 +330,8 @@ static void kvm_register_steal_time(void)
(unsigned long long) slow_virt_to_phys(st));
}
-static DEFINE_PER_CPU_DECRYPTED(unsigned long, kvm_apic_eoi) = KVM_PV_EOI_DISABLED;
+static DEFINE_PER_CPU_DECRYPTED(unsigned long, kvm_apic_eoi) \
+ __aligned(64) = KVM_PV_EOI_DISABLED;
static notrace void kvm_guest_apic_eoi_write(u32 reg, u32 val)
{
--
2.9.4
