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KVM: arm64: Refactor kvm_vcpu_enable_ptrauth() for hyp use

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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: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20241018074833.2563674-3-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Fuad Tabba 2024-10-18 08:48:30 +01:00 committed by Oliver Upton
parent 0546d4a925
commit 3663b258f7
2 changed files with 4 additions and 5 deletions
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4
arch/arm64/include/asm/kvm_emulate.h
View file

@ -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__ */

5
arch/arm64/kvm/reset.c
View file

@ -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