From: Marc Zyngier <marc.zyngier@arm.com>
Date: Fri, 18 Oct 2013 17:19:06 +0000 (+0100)
Subject: ARM: KVM: drop limitation to 4 CPU VMs
X-Git-Tag: firefly_0821_release~3680^2~36^2~16^2^2~195
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c93a79267ff11590dd7835c6622bd9f29ef43e73;p=firefly-linux-kernel-4.4.55.git

ARM: KVM: drop limitation to 4 CPU VMs

Now that the KVM/arm code knows about affinity, remove the hard
limit of 4 vcpus per VM.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
(cherry picked from commit 7999b4d18211bcfb40e3574cf75e94518e9fa2c6)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---

diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c
index d153e64d1255..f558c073c023 100644
--- a/arch/arm/kvm/reset.c
+++ b/arch/arm/kvm/reset.c
@@ -33,8 +33,6 @@
  * Cortex-A15 and Cortex-A7 Reset Values
  */
 
-static const int cortexa_max_cpu_idx = 3;
-
 static struct kvm_regs cortexa_regs_reset = {
 	.usr_regs.ARM_cpsr = SVC_MODE | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT,
 };
@@ -64,8 +62,6 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
 	switch (vcpu->arch.target) {
 	case KVM_ARM_TARGET_CORTEX_A7:
 	case KVM_ARM_TARGET_CORTEX_A15:
-		if (vcpu->vcpu_id > cortexa_max_cpu_idx)
-			return -EINVAL;
 		reset_regs = &cortexa_regs_reset;
 		vcpu->arch.midr = read_cpuid_id();
 		cpu_vtimer_irq = &cortexa_vtimer_irq;