diff mbox series

[v3,14/21] KVM: arm64: Expose pkvm_hyp_id

Message ID 20210729132818.4091769-15-qperret@google.com (mailing list archive)
State New, archived
Headers show
Series Track shared pages at EL2 in protected mode | expand

Commit Message

Quentin Perret July 29, 2021, 1:28 p.m. UTC 
Allow references to the hypervisor's owner id from outside
mem_protect.c.

Signed-off-by: Quentin Perret <qperret@google.com>
---
 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 mbox series

Patch

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)
 {