Merge commit 'v2.6.30-rc6' into perfcounters/core

Merge reason: this branch was on an -rc4 base, merge it up to -rc6
              to get the latest upstream fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

6 files changed, 22 insertions, 5 deletions

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index 14e027f5be6..f39c953d535 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -153,6 +153,7 @@ config 405GPR
 
 config XILINX_VIRTEX
 	bool
+	select DEFAULT_UIMAGE
 
 config XILINX_VIRTEX_II_PRO
 	bool
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index bf5c7ff2e6e..0d83a6a0397 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -246,6 +246,7 @@ config IBM440EP_ERR42
 # Xilinx specific config options.
 config XILINX_VIRTEX
 	bool
+	select DEFAULT_UIMAGE
 
 # Xilinx Virtex 5 FXT FPGA architecture, selected by a Xilinx board above
 config XILINX_VIRTEX_5_FXT
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 5f961c464cc..296b5268754 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -122,12 +122,23 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order)
 
 	area->nid = nid;
 	area->order = order;
-	area->pages = alloc_pages_node(area->nid, GFP_KERNEL, area->order);
+	area->pages = alloc_pages_node(area->nid, GFP_KERNEL | GFP_THISNODE,
+					area->order);
 
-	if (!area->pages)
+	if (!area->pages) {
+		printk(KERN_WARNING "%s: no page on node %d\n",
+			__func__, area->nid);
 		goto out_free_area;
+	}
 
-	addr = __pa(page_address(area->pages));
+	/*
+	 * We move the ptcal area to the middle of the allocated
+	 * page, in order to avoid prefetches in memcpy and similar
+	 * functions stepping on it.
+	 */
+	addr = __pa(page_address(area->pages)) + (PAGE_SIZE >> 1);
+	printk(KERN_DEBUG "%s: enabling PTCAL on node %d address=0x%016lx\n",
+			__func__, area->nid, addr);
 
 	ret = -EIO;
 	if (rtas_call(ptcal_start_tok, 3, 1, NULL, area->nid,
diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig
index 647e8778743..47a20cfb448 100644
--- a/arch/powerpc/platforms/iseries/Kconfig
+++ b/arch/powerpc/platforms/iseries/Kconfig
@@ -17,6 +17,7 @@ config VIODASD
 
 config VIOCD
 	tristate "iSeries Virtual I/O CD support"
+	depends on BLOCK
 	select VIOPATH
 	help
 	  If you are running Linux on an IBM iSeries system and you want to
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index ff43f1fd834..40219823d9b 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -174,9 +174,10 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
 }
 
 
-void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn)
+static void pci_dma_dev_setup_iseries(struct pci_dev *pdev)
 {
 	struct iommu_table *tbl;
+	struct device_node *dn = pdev->sysdata;
 	struct pci_dn *pdn = PCI_DN(dn);
 	const u32 *lsn = of_get_property(dn, "linux,logical-slot-number", NULL);
 
@@ -194,6 +195,8 @@ void iommu_devnode_init_iSeries(struct pci_dev *pdev, struct device_node *dn)
 		kfree(tbl);
 	pdev->dev.archdata.dma_data = pdn->iommu_table;
 }
+#else
+#define pci_dma_dev_setup_iseries	NULL
 #endif
 
 static struct iommu_table veth_iommu_table;
@@ -251,5 +254,6 @@ void iommu_init_early_iSeries(void)
 	ppc_md.tce_build = tce_build_iSeries;
 	ppc_md.tce_free  = tce_free_iSeries;
 
+	ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_iseries;
 	set_pci_dma_ops(&dma_iommu_ops);
 }
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 02a634faedb..21cddc30220 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -444,7 +444,6 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
 	pdev->sysdata = node;
 	allocate_device_bars(pdev);
 	iseries_device_information(pdev, bus, *sub_bus);
-	iommu_devnode_init_iSeries(pdev, node);
 }
 
 /*