diff options
| author | Marc Zyngier <maz@kernel.org> | 2024-08-20 14:17:56 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2024-08-27 07:59:27 +0100 |
| commit | d4db98791aa5316677a1da9bfa0788068c9863dc (patch) | |
| tree | a85d141a3b98dcb4445bbaabcee5928a955cc14e | |
| parent | b55688943597df06f202c67341da5b9b0ec54e93 (diff) | |
KVM: arm64: Add predicate for FPMR support in a VM
As we are about to check for the advertisement of FPMR support to
a guest in a number of places, add a predicate that will gate most
of the support code for FPMR.
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240820131802.3547589-3-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index e244e3176b56b..e5cf8af54dd63 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -1475,4 +1475,8 @@ void kvm_set_vm_id_reg(struct kvm *kvm, u32 reg, u64 val); (pa + pi + pa3) == 1; \ }) +#define kvm_has_fpmr(k) \ + (system_supports_fpmr() && \ + kvm_has_feat((k), ID_AA64PFR2_EL1, FPMR, IMP)) + #endif /* __ARM64_KVM_HOST_H__ */ |