Commit 7dbfbe5b authored Nov 06, 2012 by Marc Zyngier Committed by Catalin Marinas Dec 05, 2012

arm64: hyp: initialize vttbr_el2 to zero



The architecture doesn't mandate any reset value for vttbr_el2.
Better set it to a known value before some HYP code gets confused.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

parent 712c6ff4

arch/arm64/kernel/head.S

+3 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,9 @@ ENTRY(el2_setup)
		msr hstr_el2, xzr // Disable CP15 traps to EL2
		#endif

		/* Stage-2 translation */
		msr vttbr_el2, xzr

		/* Hypervisor stub */
		adr x0, __hyp_stub_vectors
		msr vbar_el2, x0