KVM: arm/arm64: Demote HYP VA range display to being a debug feature

Displaying the HYP VA information is slightly counterproductive when using VA randomization. Turn it into a debug feature only, and adjust the last displayed value to reflect the top of RAM instead of ~0. Acked-by: Christoffer Dall <[email protected]> Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Marc Zyngier <[email protected]>
cail · Mar 19, 2018 · b4ef049 · b4ef049
1 parent 44a497a
commit b4ef049
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
@@ -1810,9 +1810,10 @@ int kvm_mmu_init(void)
 	 */
 	BUG_ON((hyp_idmap_start ^ (hyp_idmap_end - 1)) & PAGE_MASK);
 
-	kvm_info("IDMAP page: %lx\n", hyp_idmap_start);
-	kvm_info("HYP VA range: %lx:%lx\n",
-		 kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL));
+	kvm_debug("IDMAP page: %lx\n", hyp_idmap_start);
+	kvm_debug("HYP VA range: %lx:%lx\n",
+		  kern_hyp_va(PAGE_OFFSET),
+		  kern_hyp_va((unsigned long)high_memory - 1));
 
 	if (hyp_idmap_start >= kern_hyp_va(PAGE_OFFSET) &&
 	    hyp_idmap_start <  kern_hyp_va(~0UL) &&