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authorFuad Tabba <tabba@google.com>2024-10-18 08:48:30 +0100
committerOliver Upton <oliver.upton@linux.dev>2024-10-31 18:45:24 +0000
commit3663b258f7231c7f3888c96e5c1eee33547873a6 (patch)
tree59a45d65398fd6f5e3b51dbfc0fe16f074a62fcc /arch/arm64
parent0546d4a925a6ce52b362e528f6d962efd72c84b9 (diff)
downloadlwn-3663b258f7231c7f3888c96e5c1eee33547873a6.tar.gz
lwn-3663b258f7231c7f3888c96e5c1eee33547873a6.zip
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: 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>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h4
-rw-r--r--arch/arm64/kvm/reset.c5
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index a601a9305b10..9a68befbeecf 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -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__ */
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 0b0ae5ae7bc2..470524b31951 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -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