Re: [PATCH 03/10] KVM: arm64: Let vcpu_sve_pffr() handle HYP VAs
From: Will Deacon <will@kernel.org>
Date: 2021-03-17 14:34:01
Also in:
kvm, kvmarm
On Tue, Mar 16, 2021 at 10:13:05AM +0000, Marc Zyngier wrote:
quoted hunk ↗ jump to hunk
The vcpu_sve_pffr() returns a pointer, which can be an interesting thing to do on nVHE. Wrap the pointer with kern_hyp_va(), and take this opportunity to remove the unnecessary casts (sve_state being a void *). Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/include/asm/kvm_host.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 3d10e6527f7d..fb1d78299ba0 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h@@ -372,8 +372,8 @@ struct kvm_vcpu_arch { }; /* Pointer to the vcpu's SVE FFR for sve_{save,load}_state() */ -#define vcpu_sve_pffr(vcpu) ((void *)((char *)((vcpu)->arch.sve_state) + \ - sve_ffr_offset((vcpu)->arch.sve_max_vl))) +#define vcpu_sve_pffr(vcpu) (kern_hyp_va((vcpu)->arch.sve_state) + \ + sve_ffr_offset((vcpu)->arch.sve_max_vl)) #define vcpu_sve_state_size(vcpu) ({ \ size_t __size_ret; \
Acked-by: Will Deacon <will@kernel.org> Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel