/* Set the present bit. */
mask |= 1ull;
-#ifdef CONFIG_X86_64
/*
* If reserved bit is not supported, clear the present bit to disable
* mmio page fault.
*/
- if (maxphyaddr == 52)
+ if (IS_ENABLED(CONFIG_X86_64) && maxphyaddr == 52)
mask &= ~1ull;
-#endif
kvm_mmu_set_mmio_spte_mask(mask, mask);
}