diff options
| author | Quentin Perret <qperret@google.com> | 2021-08-09 16:24:42 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-08-11 11:39:51 +0100 |
| commit | e009dce1292c37cf8ee7c33e0887ad3c642f980f (patch) | |
| tree | c799a1243da2a03e1160c6d3c37038efc096fba9 /arch/arm64/kvm/hyp/nvhe/mem_protect.c | |
| parent | 2d77e238badb022adb364332b7d6a1d627f77145 (diff) | |
KVM: arm64: Introduce addr_is_memory()
Introduce a helper usable in nVHE protected mode to check whether a
physical address is in a RAM region or not.
Signed-off-by: Quentin Perret <qperret@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210809152448.1810400-16-qperret@google.com
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/mem_protect.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/mem_protect.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c index ee255171945c..cb023d31666e 100644 --- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c +++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c @@ -197,6 +197,13 @@ static bool find_mem_range(phys_addr_t addr, struct kvm_mem_range *range) return false; } +bool addr_is_memory(phys_addr_t phys) +{ + struct kvm_mem_range range; + + return find_mem_range(phys, &range); +} + static bool range_is_memory(u64 start, u64 end) { struct kvm_mem_range r1, r2; |