---

yaml
---
r: 64720
b: refs/heads/master
c: 3c038f9
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5995cb7d805496362e5af73235145667096fbc6f
+refs/heads/master: 3c038f97e4b14c322b49f13578e0714e1a2ece53

trunk/arch/i386/boot/pm.c

@@ -122,7 +122,11 @@ static void setup_gdt(void)
 		/* DS: data, read/write, 4 GB, base 0 */
 		[GDT_ENTRY_BOOT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff),
 	};
-	struct gdt_ptr gdt;
+	/* Xen HVM incorrectly stores a pointer to the gdt_ptr, instead
+	   of the gdt_ptr contents.  Thus, make it static so it will
+	   stay in memory, at least long enough that we switch to the
+	   proper kernel GDT. */
+	static struct gdt_ptr gdt;
 
 	gdt.len = sizeof(boot_gdt)-1;
 	gdt.ptr = (u32)&boot_gdt + (ds() << 4);

trunk/arch/powerpc/kernel/ibmebus.c

@@ -188,33 +188,21 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node(
 	struct device_node *dn)
 {
 	struct ibmebus_dev *dev;
-	const char *loc_code;
-	int length;
-
-	loc_code = of_get_property(dn, "ibm,loc-code", NULL);
-	if (!loc_code) {
-                printk(KERN_WARNING "%s: node %s missing 'ibm,loc-code'\n",
-		       __FUNCTION__, dn->name ? dn->name : "<unknown>");
-		return ERR_PTR(-EINVAL);
-        }
-
-	if (strlen(loc_code) == 0) {
-	        printk(KERN_WARNING "%s: 'ibm,loc-code' is invalid\n",
-		       __FUNCTION__);
-		return ERR_PTR(-EINVAL);
-	}
+	int i, len, bus_len;
 
 	dev = kzalloc(sizeof(struct ibmebus_dev), GFP_KERNEL);
-	if (!dev) {
+	if (!dev)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	dev->ofdev.node = of_node_get(dn);
 
-	length = strlen(loc_code);
-	memcpy(dev->ofdev.dev.bus_id, loc_code
-		+ (length - min(length, BUS_ID_SIZE - 1)),
-		min(length, BUS_ID_SIZE - 1));
+	len = strlen(dn->full_name + 1);
+	bus_len = min(len, BUS_ID_SIZE - 1);
+	memcpy(dev->ofdev.dev.bus_id, dn->full_name + 1
+	       + (len - bus_len), bus_len);
+	for (i = 0; i < bus_len; i++)
+		if (dev->ofdev.dev.bus_id[i] == '/')
+			dev->ofdev.dev.bus_id[i] = '_';
 
 	/* Register with generic device framework. */
 	if (ibmebus_register_device_common(dev, dn->name) != 0) {

trunk/arch/powerpc/platforms/cell/spu_base.c

@@ -236,27 +236,34 @@ static irqreturn_t
 spu_irq_class_0(int irq, void *data)
 {
 	struct spu *spu;
+	unsigned long stat, mask;
 
 	spu = data;
-	spu->class_0_pending = 1;
+
+	mask = spu_int_mask_get(spu, 0);
+	stat = spu_int_stat_get(spu, 0);
+	stat &= mask;
+
+	spin_lock(&spu->register_lock);
+	spu->class_0_pending |= stat;
+	spin_unlock(&spu->register_lock);
+
 	spu->stop_callback(spu);
 
+	spu_int_stat_clear(spu, 0, stat);
+
 	return IRQ_HANDLED;
 }
 
 int
 spu_irq_class_0_bottom(struct spu *spu)
 {
-	unsigned long stat, mask;
 	unsigned long flags;
-
-	spu->class_0_pending = 0;
+	unsigned long stat;
 
 	spin_lock_irqsave(&spu->register_lock, flags);
-	mask = spu_int_mask_get(spu, 0);
-	stat = spu_int_stat_get(spu, 0);
-
-	stat &= mask;
+	stat = spu->class_0_pending;
+	spu->class_0_pending = 0;
 
 	if (stat & 1) /* invalid DMA alignment */
 		__spu_trap_dma_align(spu);
@@ -267,7 +274,6 @@ spu_irq_class_0_bottom(struct spu *spu)
 	if (stat & 4) /* error on SPU */
 		__spu_trap_error(spu);
 
-	spu_int_stat_clear(spu, 0, stat);
 	spin_unlock_irqrestore(&spu->register_lock, flags);
 
 	return (stat & 0x7) ? -EIO : 0;

trunk/arch/powerpc/platforms/ps3/platform.h

@@ -83,6 +83,7 @@ enum ps3_dev_type {
 	PS3_DEV_TYPE_STOR_ROM = TYPE_ROM,	/* 5 */
 	PS3_DEV_TYPE_SB_GPIO = 6,
 	PS3_DEV_TYPE_STOR_FLASH = TYPE_RBC,	/* 14 */
+	PS3_DEV_TYPE_STOR_DUMMY = 32,
 	PS3_DEV_TYPE_NOACCESS = 255,
 };
 

trunk/arch/powerpc/platforms/ps3/repository.c

@@ -349,6 +349,35 @@ int ps3_repository_find_device(struct ps3_repository_device *repo)
 		return result;
 	}
 
+	if (tmp.bus_type == PS3_BUS_TYPE_STORAGE) {
+		/*
+		 * A storage device may show up in the repository before the
+		 * hypervisor has finished probing its type and regions
+		 */
+		unsigned int num_regions;
+
+		if (tmp.dev_type == PS3_DEV_TYPE_STOR_DUMMY) {
+			pr_debug("%s:%u storage device not ready\n", __func__,
+				 __LINE__);
+			return -ENODEV;
+		}
+
+		result = ps3_repository_read_stor_dev_num_regions(tmp.bus_index,
+								  tmp.dev_index,
+								  &num_regions);
+		if (result) {
+			pr_debug("%s:%d read_stor_dev_num_regions failed\n",
+				 __func__, __LINE__);
+			return result;
+		}
+
+		if (!num_regions) {
+			pr_debug("%s:%u storage device has no regions yet\n",
+				 __func__, __LINE__);
+			return -ENODEV;
+		}
+	}
+
 	result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index,
 		&tmp.dev_id);
 

trunk/arch/powerpc/platforms/ps3/spu.c

@@ -505,6 +505,8 @@ static void mfc_sr1_set(struct spu *spu, u64 sr1)
 	static const u64 allowed = ~(MFC_STATE1_LOCAL_STORAGE_DECODE_MASK
 		| MFC_STATE1_PROBLEM_STATE_MASK);
 
+	sr1 |= MFC_STATE1_MASTER_RUN_CONTROL_MASK;
+
 	BUG_ON((sr1 & allowed) != (spu_pdata(spu)->cache.sr1 & allowed));
 
 	spu_pdata(spu)->cache.sr1 = sr1;

trunk/include/asm-powerpc/spu.h

@@ -130,6 +130,7 @@ struct spu {
 	u64 flags;
 	u64 dar;
 	u64 dsisr;
+	u64 class_0_pending;
 	size_t ls_size;
 	unsigned int slb_replace;
 	struct mm_struct *mm;
@@ -138,7 +139,6 @@ struct spu {
 	unsigned long long timestamp;
 	pid_t pid;
 	pid_t tgid;
-	int class_0_pending;
 	spinlock_t register_lock;
 
 	void (* wbox_callback)(struct spu *spu);