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FROMGIT: KVM: arm64: Let vcpu_sve_pffr() handle HYP VAs

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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 *).

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
(cherry picked from commit 985d3a1bea
 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 178098380
Test: atest VirtualizationHostTestCases on an EL2-enabled device
Change-Id: I01203df5e118b35c62f502652da6e6db7f521f7b
This commit is contained in:
Marc Zyngier
2021-03-11 19:18:42 +00:00
committed by Quentin Perret
parent c2469fa4b4
commit f9bab75599
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/include/asm/kvm_host.h
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@@ -375,8 +375,8 @@ 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; \