diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/hyp-main.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/hyp-main.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index bde658d51404..f012f8665ecc 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -108,9 +108,9 @@ static void handle___vgic_v3_restore_aprs(struct kvm_cpu_context *host_ctxt) typedef void (*hcall_t)(struct kvm_cpu_context *); -#define HANDLE_FUNC(x) [__KVM_HOST_SMCCC_FUNC_##x] = kimg_fn_ptr(handle_##x) +#define HANDLE_FUNC(x) [__KVM_HOST_SMCCC_FUNC_##x] = (hcall_t)handle_##x -static const hcall_t *host_hcall[] = { +static const hcall_t host_hcall[] = { HANDLE_FUNC(__kvm_vcpu_run), HANDLE_FUNC(__kvm_flush_vm_context), HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), @@ -130,7 +130,6 @@ static const hcall_t *host_hcall[] = { static void handle_host_hcall(struct kvm_cpu_context *host_ctxt) { DECLARE_REG(unsigned long, id, host_ctxt, 0); - const hcall_t *kfn; hcall_t hfn; id -= KVM_HOST_SMCCC_ID(0); @@ -138,13 +137,11 @@ static void handle_host_hcall(struct kvm_cpu_context *host_ctxt) if (unlikely(id >= ARRAY_SIZE(host_hcall))) goto inval; - kfn = host_hcall[id]; - if (unlikely(!kfn)) + hfn = host_hcall[id]; + if (unlikely(!hfn)) goto inval; cpu_reg(host_ctxt, 0) = SMCCC_RET_SUCCESS; - - hfn = kimg_fn_hyp_va(kfn); hfn(host_ctxt); return; @@ -157,11 +154,6 @@ static void default_host_smc_handler(struct kvm_cpu_context *host_ctxt) __kvm_hyp_host_forward_smc(host_ctxt); } -static void skip_host_instruction(void) -{ - write_sysreg_el2(read_sysreg_el2(SYS_ELR) + 4, SYS_ELR); -} - static void handle_host_smc(struct kvm_cpu_context *host_ctxt) { bool handled; @@ -170,11 +162,8 @@ static void handle_host_smc(struct kvm_cpu_context *host_ctxt) if (!handled) default_host_smc_handler(host_ctxt); - /* - * Unlike HVC, the return address of an SMC is the instruction's PC. - * Move the return address past the instruction. - */ - skip_host_instruction(); + /* SMC was trapped, move ELR past the current PC. */ + kvm_skip_host_instr(); } void handle_trap(struct kvm_cpu_context *host_ctxt) |