Commit 3663b258 authored by Fuad Tabba's avatar Fuad Tabba Committed by Oliver Upton
Browse files

KVM: arm64: Refactor kvm_vcpu_enable_ptrauth() for hyp use 



Move kvm_vcpu_enable_ptrauth() to a shared header to be used by
hypervisor code in protected mode.

No functional change intended.

Signed-off-by: default avatarFuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20241018074833.2563674-3-tabba@google.com


Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent 0546d4a9

arch/arm64/include/asm/kvm_emulate.h

+4 −0
Original line number Diff line number Diff line
@@ -693,4 +693,8 @@ static inline bool guest_hyp_sve_traps_enabled(const struct kvm_vcpu *vcpu) 
	return __guest_hyp_cptr_xen_trap_enabled(vcpu, ZEN);

}



static inline void kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)

{

	vcpu_set_flag(vcpu, GUEST_HAS_PTRAUTH);

}

#endif /* __ARM64_KVM_EMULATE_H__ */

arch/arm64/kvm/reset.c

+0 −5
Original line number Diff line number Diff line
@@ -167,11 +167,6 @@ static void kvm_vcpu_reset_sve(struct kvm_vcpu *vcpu) 
		memset(vcpu->arch.sve_state, 0, vcpu_sve_state_size(vcpu));

}



static void kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)

{

	vcpu_set_flag(vcpu, GUEST_HAS_PTRAUTH);

}



/**

 * kvm_reset_vcpu - sets core registers and sys_regs to reset value

 * @vcpu: The VCPU pointer