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Commit b4ef0499 authored by Marc Zyngier's avatar Marc Zyngier
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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: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 44a497ab

virt/kvm/arm/mmu.c

+4 −3
Original line number Diff line number Diff line
@@ -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) &&