[PATCH v3 14/21] KVM: arm64: Expose pkvm_hyp_id
From: Quentin Perret <hidden>
Date: 2021-07-29 13:29:39
Also in:
linux-arm-kernel, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
Allow references to the hypervisor's owner id from outside mem_protect.c. Signed-off-by: Quentin Perret <redacted> --- arch/arm64/kvm/hyp/include/nvhe/mem_protect.h | 2 ++ arch/arm64/kvm/hyp/nvhe/mem_protect.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
index 47c2a0c51612..cc86598654b9 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h@@ -46,6 +46,8 @@ struct host_kvm { }; extern struct host_kvm host_kvm; +extern const u8 pkvm_hyp_id; + int __pkvm_prot_finalize(void); int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end);
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index a7f6134789e0..bb18940c3d12 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c@@ -31,7 +31,7 @@ static struct hyp_pool host_s2_pool; u64 id_aa64mmfr0_el1_sys_val; u64 id_aa64mmfr1_el1_sys_val; -static const u8 pkvm_hyp_id = 1; +const u8 pkvm_hyp_id = 1; static void *host_s2_zalloc_pages_exact(size_t size) {
--
2.32.0.432.gabb21c7263-goog
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