Merge tag 'omap-for-v4.7/fixes-powedomain' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps for v4.7-rc cycle:

- Fix dra7 for hardware issues limiting L4Per and L3init power domains
  to on state. Without this the devices may not work correctly after
  some time of use because of asymmetric aging. And related to this,
  let's also remove the unusable states.

- Always select omap interconnect for am43x as otherwise the am43x
  only configurations will not boot properly. This can happen easily
  for any product kernels that leave out other SoCs to save memory.

- Fix DSS PLL2 addresses that have gone unused for now

- Select erratum 430973 for omap3, this is now safe to do and can
  save quite a bit of debugging time for people who may have left
  it out.

* tag 'omap-for-v4.7/fixes-powedomain' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_mem_ret
  ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_logic_ret
  ARM: OMAP: DRA7: powerdomain data: Set L3init and L4per to ON
  ARM: OMAP2+: Select OMAP_INTERCONNECT for SOC_AM43XX
  ARM: dts: DRA74x: fix DSS PLL2 addresses
  ARM: OMAP2: Enable Errata 430973 for OMAP3
  + Linux 4.7-rc2

Signed-off-by: Olof Johansson <olof@lixom.net>

6 files changed, 35 insertions, 28 deletions

diff --git a/virt/kvm/arm/hyp/vgic-v2-sr.c b/virt/kvm/arm/hyp/vgic-v2-sr.c
index a3f12b3b277b..3a3a699b7489 100644
--- a/virt/kvm/arm/hyp/vgic-v2-sr.c
+++ b/virt/kvm/arm/hyp/vgic-v2-sr.c
@@ -100,12 +100,11 @@ static void __hyp_text save_lrs(struct kvm_vcpu *vcpu, void __iomem *base)
 		if (!(vcpu->arch.vgic_cpu.live_lrs & (1UL << i)))
 			continue;
 
-		if (cpu_if->vgic_elrsr & (1UL << i)) {
+		if (cpu_if->vgic_elrsr & (1UL << i))
 			cpu_if->vgic_lr[i] &= ~GICH_LR_STATE;
-			continue;
-		}
+		else
+			cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
 
-		cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
 		writel_relaxed(0, base + GICH_LR0 + (i * 4));
 	}
 }
diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c
index 059595ec3da0..9f6fab74dce7 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.c
+++ b/virt/kvm/arm/vgic/vgic-mmio.c
@@ -191,10 +191,8 @@ static void vgic_mmio_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
 	 * other thread sync back the IRQ.
 	 */
 	while (irq->vcpu && /* IRQ may have state in an LR somewhere */
-	       irq->vcpu->cpu != -1) { /* VCPU thread is running */
-		BUG_ON(irq->intid < VGIC_NR_PRIVATE_IRQS);
+	       irq->vcpu->cpu != -1) /* VCPU thread is running */
 		cond_resched_lock(&irq->irq_lock);
-	}
 
 	irq->active = new_active_state;
 	if (new_active_state)
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 8ad42c217770..e31405ee5515 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -112,11 +112,15 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
 			}
 		}
 
-		/* Clear soft pending state when level IRQs have been acked */
-		if (irq->config == VGIC_CONFIG_LEVEL &&
-		    !(val & GICH_LR_PENDING_BIT)) {
-			irq->soft_pending = false;
-			irq->pending = irq->line_level;
+		/*
+		 * Clear soft pending state when level irqs have been acked.
+		 * Always regenerate the pending state.
+		 */
+		if (irq->config == VGIC_CONFIG_LEVEL) {
+			if (!(val & GICH_LR_PENDING_BIT))
+				irq->soft_pending = false;
+
+			irq->pending = irq->line_level || irq->soft_pending;
 		}
 
 		spin_unlock(&irq->irq_lock);
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 336a46115937..346b4ad12b49 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -101,11 +101,15 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
 			}
 		}
 
-		/* Clear soft pending state when level irqs have been acked */
-		if (irq->config == VGIC_CONFIG_LEVEL &&
-		    !(val & ICH_LR_PENDING_BIT)) {
-			irq->soft_pending = false;
-			irq->pending = irq->line_level;
+		/*
+		 * Clear soft pending state when level irqs have been acked.
+		 * Always regenerate the pending state.
+		 */
+		if (irq->config == VGIC_CONFIG_LEVEL) {
+			if (!(val & ICH_LR_PENDING_BIT))
+				irq->soft_pending = false;
+
+			irq->pending = irq->line_level || irq->soft_pending;
 		}
 
 		spin_unlock(&irq->irq_lock);
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c
index fe84e1a95dd5..8db197bb6c7a 100644
--- a/virt/kvm/irqchip.c
+++ b/virt/kvm/irqchip.c
@@ -40,7 +40,7 @@ int kvm_irq_map_gsi(struct kvm *kvm,
 
 	irq_rt = srcu_dereference_check(kvm->irq_routing, &kvm->irq_srcu,
 					lockdep_is_held(&kvm->irq_lock));
-	if (gsi < irq_rt->nr_rt_entries) {
+	if (irq_rt && gsi < irq_rt->nr_rt_entries) {
 		hlist_for_each_entry(e, &irq_rt->map[gsi], link) {
 			entries[n] = *e;
 			++n;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 37af23052470..02e98f3131bd 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2935,7 +2935,7 @@ static long kvm_vm_ioctl(struct file *filp,
 	case KVM_SET_GSI_ROUTING: {
 		struct kvm_irq_routing routing;
 		struct kvm_irq_routing __user *urouting;
-		struct kvm_irq_routing_entry *entries;
+		struct kvm_irq_routing_entry *entries = NULL;
 
 		r = -EFAULT;
 		if (copy_from_user(&routing, argp, sizeof(routing)))
@@ -2945,15 +2945,17 @@ static long kvm_vm_ioctl(struct file *filp,
 			goto out;
 		if (routing.flags)
 			goto out;
-		r = -ENOMEM;
-		entries = vmalloc(routing.nr * sizeof(*entries));
-		if (!entries)
-			goto out;
-		r = -EFAULT;
-		urouting = argp;
-		if (copy_from_user(entries, urouting->entries,
-				   routing.nr * sizeof(*entries)))
-			goto out_free_irq_routing;
+		if (routing.nr) {
+			r = -ENOMEM;
+			entries = vmalloc(routing.nr * sizeof(*entries));
+			if (!entries)
+				goto out;
+			r = -EFAULT;
+			urouting = argp;
+			if (copy_from_user(entries, urouting->entries,
+					   routing.nr * sizeof(*entries)))
+				goto out_free_irq_routing;
+		}
 		r = kvm_set_irq_routing(kvm, entries, routing.nr,
 					routing.flags);
 out_free_irq_routing: