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powerpc/kvm: Force cast endianness of KVM shared regs

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Sparse reports endianness mismatches in the KVM shared regs getter and
setter helpers.

This code has dynamic endianness behind a safe interface, so a force is
warranted here to tell sparse this is OK.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Link: https://msgid.link/20231011053711.93427-8-bgray@linux.ibm.com
This commit is contained in:
Benjamin Gray 2023-10-11 16:37:06 +11:00 committed by Michael Ellerman
parent 476652297f
commit b7bce57043
1 changed files with 4 additions and 4 deletions
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8
arch/powerpc/include/asm/kvm_ppc.h
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@ -981,18 +981,18 @@ static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
if (iden) \
WARN_ON(kvmhv_nestedv2_cached_reload(vcpu, iden) < 0); \
if (kvmppc_shared_big_endian(vcpu)) \
return be##size##_to_cpu(vcpu->arch.shared->reg); \
return be##size##_to_cpu((__be##size __force)vcpu->arch.shared->reg); \
else \
return le##size##_to_cpu(vcpu->arch.shared->reg); \
return le##size##_to_cpu((__le##size __force)vcpu->arch.shared->reg); \
} \
#define KVMPPC_VCPU_SHARED_REGS_ACCESSOR_SET(reg, size, iden) \
static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \
{ \
if (kvmppc_shared_big_endian(vcpu)) \
vcpu->arch.shared->reg = cpu_to_be##size(val); \
vcpu->arch.shared->reg = (u##size __force)cpu_to_be##size(val); \
else \
vcpu->arch.shared->reg = cpu_to_le##size(val); \
vcpu->arch.shared->reg = (u##size __force)cpu_to_le##size(val); \
\
if (iden) \
kvmhv_nestedv2_mark_dirty(vcpu, iden); \