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authorMarc Zyngier <maz@kernel.org>2024-04-19 11:29:26 +0100
committerMarc Zyngier <maz@kernel.org>2024-04-20 12:42:50 +0100
commit95537f06b9e826766f32e513d714e1cda468ef15 (patch)
treee67bcd6f15cce82293cfa62ff1c8965a925ad542 /arch/arm64/include/asm/kvm_nested.h
parent04ab519bb86df10bb8b72054fce9af1d72c36805 (diff)
KVM: arm64: nv: Add trap forwarding for ERET and SMC
Honor the trap forwarding bits for both ERET and SMC, using a new helper that checks for common conditions. Reviewed-by: Joey Gouly <joey.gouly@arm.com> Co-developed-by: Jintack Lim <jintack.lim@linaro.org> Signed-off-by: Jintack Lim <jintack.lim@linaro.org> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240419102935.1935571-7-maz@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/kvm_nested.h')
-rw-r--r--arch/arm64/include/asm/kvm_nested.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h
index c77d795556e1..dbc4e3a67356 100644
--- a/arch/arm64/include/asm/kvm_nested.h
+++ b/arch/arm64/include/asm/kvm_nested.h
@@ -60,6 +60,7 @@ static inline u64 translate_ttbr0_el2_to_ttbr0_el1(u64 ttbr0)
return ttbr0 & ~GENMASK_ULL(63, 48);
}
+extern bool forward_smc_trap(struct kvm_vcpu *vcpu);
int kvm_init_nv_sysregs(struct kvm *kvm);