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authorTiejun Chen <tiejun.chen@intel.com>2014-09-01 18:44:04 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2014-09-03 10:04:10 +0200
commitd143148383d0395539073dd6c2f25ddf6656bdcc (patch)
tree122881b4567d4a8279cb27793ce5542b976268df /arch/x86/kvm/x86.c
parent56f17dd3fbc44adcdbc3340fe3988ddb833a47a7 (diff)
KVM: mmio: cleanup kvm_set_mmio_spte_mask
Just reuse rsvd_bits() inside kvm_set_mmio_spte_mask() for slightly better code. Signed-off-by: Tiejun Chen <tiejun.chen@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 916e89515210..e4ed85e07a01 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5569,7 +5569,7 @@ static void kvm_set_mmio_spte_mask(void)
* entry to generate page fault with PFER.RSV = 1.
*/
/* Mask the reserved physical address bits. */
- mask = ((1ull << (51 - maxphyaddr + 1)) - 1) << maxphyaddr;
+ mask = rsvd_bits(maxphyaddr, 51);
/* Bit 62 is always reserved for 32bit host. */
mask |= 0x3ull << 62;