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Commit 910917bb authored by Marc Zyngier's avatar Marc Zyngier
Browse files

arm64: KVM: Map the kernel RO section into HYP 



In order to run C code in HYP, we must make sure that the kernel's
RO section is mapped into HYP (otherwise things break badly).

Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Acked-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent 044ac37d

arch/arm/kvm/arm.c

+7 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include <asm/kvm_emulate.h>

#include <asm/kvm_coproc.h>

#include <asm/kvm_psci.h>

#include <asm/sections.h>



#ifdef REQUIRES_VIRT

__asm__(".arch_extension	virt");
@@ -1068,6 +1069,12 @@ static int init_hyp_mode(void) 
		goto out_free_mappings;

	}



	err = create_hyp_mappings(__start_rodata, __end_rodata);

	if (err) {

		kvm_err("Cannot map rodata section\n");

		goto out_free_mappings;

	}



	/*

	 * Map the Hyp stack pages

	 */