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| author | Oliver Upton <oliver.upton@linux.dev> | 2023-10-05 02:49:45 +0300 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-10-05 12:33:15 +0300 |
| commit | bb17fb31f00ebd8df478a9533c6b77d6eebe6464 (patch) | |
| tree | b38b087f701f5fd1e947dab1bda7971caa402670 /arch/arm64/kvm/hypercalls.c | |
| parent | 6465e260f48790807eef06b583b38ca9789b6072 (diff) | |
| download | linux-bb17fb31f00ebd8df478a9533c6b77d6eebe6464.tar.xz | |
KVM: arm64: Add a predicate for testing if SMCCC filter is configured
Eventually we can drop the VM flag, move around the existing
implementation for now.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231004234947.207507-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/hypercalls.c')
| -rw-r--r-- | arch/arm64/kvm/hypercalls.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c index 7fb4df0456de..35e023322cdb 100644 --- a/arch/arm64/kvm/hypercalls.c +++ b/arch/arm64/kvm/hypercalls.c @@ -158,6 +158,11 @@ static void init_smccc_filter(struct kvm *kvm) } +static bool kvm_smccc_filter_configured(struct kvm *kvm) +{ + return test_bit(KVM_ARCH_FLAT_SMCCC_FILTER_CONFIGURED, &kvm->arch.flags); +} + static int kvm_smccc_set_filter(struct kvm *kvm, struct kvm_smccc_filter __user *uaddr) { const void *zero_page = page_to_virt(ZERO_PAGE(0)); @@ -201,7 +206,7 @@ static u8 kvm_smccc_filter_get_action(struct kvm *kvm, u32 func_id) unsigned long idx = func_id; void *val; - if (!test_bit(KVM_ARCH_FLAG_SMCCC_FILTER_CONFIGURED, &kvm->arch.flags)) + if (!kvm_smccc_filter_configured(kvm)) return KVM_SMCCC_FILTER_HANDLE; /* |