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| author | Benjamin Gray <bgray@linux.ibm.com> | 2023-10-11 07:37:06 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-10-19 08:15:39 +0200 |
| commit | b7bce570430e42229fb63f775fcbb10f38b83c71 (patch) | |
| tree | a0ab15ac85ff5a9adf3f5ba4bb8c0b87488c0756 /arch/powerpc | |
| parent | docs: powerpc: Document nested KVM on POWER (diff) | |
| download | linux-b7bce570430e42229fb63f775fcbb10f38b83c71.tar.xz linux-b7bce570430e42229fb63f775fcbb10f38b83c71.zip | |
powerpc/kvm: Force cast endianness of KVM shared regs
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
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_ppc.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index db8bfaaa4536..3281215097cc 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -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); \ |