From 35a2491a624af1fa7ab6990639f5246cd5f12592 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Mon, 1 Feb 2016 17:54:35 +0000 Subject: [PATCH] arm/arm64: KVM: Add hook for C-based stage2 init As we're about to move the stage2 init to C code, introduce some C hooks that will later be populated with arch-specific implementations. Reviewed-by: Christoffer Dall Signed-off-by: Marc Zyngier --- arch/arm/include/asm/kvm_host.h | 4 ++++ arch/arm/kvm/arm.c | 1 + arch/arm64/include/asm/kvm_host.h | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index f9f27792d8ed..f1e86f1eb2e5 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -220,6 +220,10 @@ static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr, kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr); } +static inline void __cpu_init_stage2(void) +{ +} + static inline int kvm_arch_dev_ioctl_check_extension(long ext) { return 0; diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index dda1959f0dde..6b76e0152e58 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -985,6 +985,7 @@ static void cpu_init_hyp_mode(void *dummy) vector_ptr = (unsigned long)__kvm_hyp_vector; __cpu_init_hyp_mode(boot_pgd_ptr, pgd_ptr, hyp_stack_ptr, vector_ptr); + __cpu_init_stage2(); kvm_arm_init_debug(); } diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 689d4c95e12f..fe86cf9f288b 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -332,6 +332,10 @@ static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr, hyp_stack_ptr, vector_ptr); } +static inline void __cpu_init_stage2(void) +{ +} + static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} -- 2.39.5