1 files changed, 0 insertions, 108 deletions
diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c
deleted file mode 100644
index 86a693a02ba3..000000000000
--- a/arch/arm/kvm/psci.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2012 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/kvm_host.h>
-#include <linux/wait.h>
-
-#include <asm/kvm_emulate.h>
-#include <asm/kvm_psci.h>
-
-/*
- * This is an implementation of the Power State Coordination Interface
- * as described in ARM document number ARM DEN 0022A.
- */
-
-static void kvm_psci_vcpu_off(struct kvm_vcpu *vcpu)
-{
-	vcpu->arch.pause = true;
-}
-
-static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
-{
-	struct kvm *kvm = source_vcpu->kvm;
-	struct kvm_vcpu *vcpu;
-	wait_queue_head_t *wq;
-	unsigned long cpu_id;
-	phys_addr_t target_pc;
-
-	cpu_id = *vcpu_reg(source_vcpu, 1);
-	if (vcpu_mode_is_32bit(source_vcpu))
-		cpu_id &= ~((u32) 0);
-
-	if (cpu_id >= atomic_read(&kvm->online_vcpus))
-		return KVM_PSCI_RET_INVAL;
-
-	target_pc = *vcpu_reg(source_vcpu, 2);
-
-	vcpu = kvm_get_vcpu(kvm, cpu_id);
-
-	wq = kvm_arch_vcpu_wq(vcpu);
-	if (!waitqueue_active(wq))
-		return KVM_PSCI_RET_INVAL;
-
-	kvm_reset_vcpu(vcpu);
-
-	/* Gracefully handle Thumb2 entry point */
-	if (vcpu_mode_is_32bit(vcpu) && (target_pc & 1)) {
-		target_pc &= ~((phys_addr_t) 1);
-		vcpu_set_thumb(vcpu);
-	}
-
-	*vcpu_pc(vcpu) = target_pc;
-	vcpu->arch.pause = false;
-	smp_mb();		/* Make sure the above is visible */
-
-	wake_up_interruptible(wq);
-
-	return KVM_PSCI_RET_SUCCESS;
-}
-
-/**
- * kvm_psci_call - handle PSCI call if r0 value is in range
- * @vcpu: Pointer to the VCPU struct
- *
- * Handle PSCI calls from guests through traps from HVC instructions.
- * The calling convention is similar to SMC calls to the secure world where
- * the function number is placed in r0 and this function returns true if the
- * function number specified in r0 is withing the PSCI range, and false
- * otherwise.
- */
-bool kvm_psci_call(struct kvm_vcpu *vcpu)
-{
-	unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0);
-	unsigned long val;
-
-	switch (psci_fn) {
-	case KVM_PSCI_FN_CPU_OFF:
-		kvm_psci_vcpu_off(vcpu);
-		val = KVM_PSCI_RET_SUCCESS;
-		break;
-	case KVM_PSCI_FN_CPU_ON:
-		val = kvm_psci_vcpu_on(vcpu);
-		break;
-	case KVM_PSCI_FN_CPU_SUSPEND:
-	case KVM_PSCI_FN_MIGRATE:
-		val = KVM_PSCI_RET_NI;
-		break;
-
-	default:
-		return false;
-	}
-
-	*vcpu_reg(vcpu, 0) = val;
-	return true;
-}