arm64 will soon require its own callback to initialise services
that are only availably on this architecture. Introduce a hook
that can be overloaded by the architecture.
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
arch/arm/include/asm/hypervisor.h | 1 +
arch/arm64/include/asm/hypervisor.h | 1 +
drivers/firmware/smccc/kvm_guest.c | 4 ++++
3 files changed, 6 insertions(+)
diff --git a/arch/arm/include/asm/hypervisor.h b/arch/arm/include/asm/hypervisor.h
index bd61502b9715..8133c8c81a35 100644
--- a/arch/arm/include/asm/hypervisor.h
+++ b/arch/arm/include/asm/hypervisor.h
@@ -6,5 +6,6 @@
void kvm_init_hyp_services(void);
bool kvm_arm_hyp_service_available(u32 func_id);
+void kvm_arm_init_hyp_services(void);
#endif
diff --git a/arch/arm64/include/asm/hypervisor.h b/arch/arm64/include/asm/hypervisor.h
index 0ae427f352c8..8e77f411903f 100644
--- a/arch/arm64/include/asm/hypervisor.h
+++ b/arch/arm64/include/asm/hypervisor.h
@@ -6,5 +6,6 @@
void kvm_init_hyp_services(void);
bool kvm_arm_hyp_service_available(u32 func_id);
+void kvm_arm_init_hyp_services(void);
#endif
diff --git a/drivers/firmware/smccc/kvm_guest.c b/drivers/firmware/smccc/kvm_guest.c
index 2d3e866decaa..56169e73252a 100644
--- a/drivers/firmware/smccc/kvm_guest.c
+++ b/drivers/firmware/smccc/kvm_guest.c
@@ -9,6 +9,8 @@
#include <asm/hypervisor.h>
+void __weak kvm_arm_init_hyp_services(void) {}
+
static DECLARE_BITMAP(__kvm_arm_hyp_services, ARM_SMCCC_KVM_NUM_FUNCS) __ro_after_init = { };
void __init kvm_init_hyp_services(void)
@@ -38,6 +40,8 @@ void __init kvm_init_hyp_services(void)
pr_info("hypervisor services detected (0x%08lx 0x%08lx 0x%08lx 0x%08lx)\n",
res.a3, res.a2, res.a1, res.a0);
+
+ kvm_arm_init_hyp_services();
}
bool kvm_arm_hyp_service_available(u32 func_id)
--
2.30.2
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