Merge branch 'linus' into x86/xen

Conflicts:
	arch/x86/kernel/cpu/common.c
	arch/x86/kernel/process_64.c
	arch/x86/xen/enlighten.c

6 files changed, 44 insertions, 28 deletions

diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h
index e8b59d8f1bb9..b82602d529bf 100644
--- a/arch/arm/mach-iop13xx/include/mach/memory.h
+++ b/arch/arm/mach-iop13xx/include/mach/memory.h
@@ -7,9 +7,6 @@
  * Physical DRAM offset.
  */
 #define PHYS_OFFSET     UL(0x00000000)
-#define TASK_SIZE       UL(0x3f000000)
-#define PAGE_OFFSET     UL(0x40000000)
-#define TASK_UNMAPPED_BASE ((TASK_SIZE + 0x01000000) / 3)
 
 #ifndef __ASSEMBLY__
 
@@ -29,32 +26,52 @@
 
 /* RAM has 1:1 mapping on the PCIe/x Busses */
 #define __virt_to_bus(x)        (__virt_to_phys(x))
-#define __bus_to_virt(x)    (__phys_to_virt(x))
+#define __bus_to_virt(x)        (__phys_to_virt(x))
 
-#define virt_to_lbus(x)                                            \
-(( ((void*)(x) >= (void*)IOP13XX_PMMR_V_START) &&                  \
-((void*)(x) < (void*)IOP13XX_PMMR_V_END) ) ?                       \
-((x) - IOP13XX_PMMR_VIRT_MEM_BASE + IOP13XX_PMMR_PHYS_MEM_BASE) : \
-((x) - PAGE_OFFSET + PHYS_OFFSET))
+static inline dma_addr_t __virt_to_lbus(unsigned long x)
+{
+        return x + IOP13XX_PMMR_PHYS_MEM_BASE - IOP13XX_PMMR_VIRT_MEM_BASE;
+}
 
-#define lbus_to_virt(x)                                            \
-(( ((x) >= IOP13XX_PMMR_P_START) && ((x) < IOP13XX_PMMR_P_END) ) ? \
-((x) - IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_VIRT_MEM_BASE ) : \
-((x) - PHYS_OFFSET + PAGE_OFFSET))
+static inline unsigned long __lbus_to_virt(dma_addr_t x)
+{
+        return x + IOP13XX_PMMR_VIRT_MEM_BASE - IOP13XX_PMMR_PHYS_MEM_BASE;
+}
+
+#define __is_lbus_dma(a)                                \
+        ((a) >= IOP13XX_PMMR_P_START && (a) < IOP13XX_PMMR_P_END)
+
+#define __is_lbus_virt(a)                               \
+        ((a) >= IOP13XX_PMMR_V_START && (a) < IOP13XX_PMMR_V_END)
 
 /* Device is an lbus device if it is on the platform bus of the IOP13XX */
-#define is_lbus_device(dev) (dev &&\
-                             (strncmp(dev->bus->name, "platform", 8) == 0))
+#define is_lbus_device(dev)                             \
+        (dev && strncmp(dev->bus->name, "platform", 8) == 0)
 
-#define __arch_page_to_dma(dev, page)                                   \
-({is_lbus_device(dev) ? (dma_addr_t)virt_to_lbus(page_address(page)) : \
-(dma_addr_t)__virt_to_bus(page_address(page));})
+#define __arch_dma_to_virt(dev, addr)                                   \
+        ({                                                              \
+                unsigned long __virt;                                   \
+                dma_addr_t __dma = addr;                                \
+                if (is_lbus_device(dev) && __is_lbus_dma(__dma))        \
+                        __virt = __lbus_to_virt(__dma);                 \
+                else                                                    \
+                        __virt = __bus_to_virt(__dma);                  \
+                (void *)__virt;                                         \
+        })
 
-#define __arch_dma_to_virt(dev, addr) \
-({is_lbus_device(dev) ? lbus_to_virt(addr) : __bus_to_virt(addr);})
+#define __arch_virt_to_dma(dev, addr)                                   \
+        ({                                                              \
+                unsigned long __virt = (unsigned long)addr;             \
+                dma_addr_t __dma;                                       \
+                if (is_lbus_device(dev) && __is_lbus_virt(__virt))      \
+                        __dma = __virt_to_lbus(__virt);                 \
+                else                                                    \
+                        __dma = __virt_to_bus(__virt);                  \
+                __dma;                                                  \
+        })
 
-#define __arch_virt_to_dma(dev, addr) \
-({is_lbus_device(dev) ? virt_to_lbus(addr) : __virt_to_bus(addr);})
+#define __arch_page_to_dma(dev, page)                                   \
+        __arch_virt_to_dma(dev, page_address(page))
 
 #endif /* CONFIG_ARCH_IOP13XX */
 #endif /* !ASSEMBLY */
diff --git a/arch/arm/mach-iop13xx/include/mach/pci.h b/arch/arm/mach-iop13xx/include/mach/pci.h
index 17b5515af8b1..59f42b535572 100644
--- a/arch/arm/mach-iop13xx/include/mach/pci.h
+++ b/arch/arm/mach-iop13xx/include/mach/pci.h
@@ -1,7 +1,7 @@
 #ifndef _IOP13XX_PCI_H_
 #define _IOP13XX_PCI_H_
+#include <linux/io.h>
 #include <mach/irqs.h>
-#include <asm/io.h>
 
 struct pci_sys_data;
 struct hw_pci;
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index 26cfa318142c..529580997814 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -18,8 +18,8 @@
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/io.h>
 #include <mach/hardware.h>
-#include <asm/io.h>
 
 void * __iomem __iop13xx_io(unsigned long io_addr)
 {
diff --git a/arch/arm/mach-iop13xx/msi.c b/arch/arm/mach-iop13xx/msi.c
index 63ef1124ca5c..f34b0ed80630 100644
--- a/arch/arm/mach-iop13xx/msi.c
+++ b/arch/arm/mach-iop13xx/msi.c
@@ -110,8 +110,7 @@ static void iop13xx_msi_handler(unsigned int irq, struct irq_desc *desc)
                 do {
                         j = find_first_bit(&status, 32);
                         (write_imipr[i])(1 << j); /* write back to clear bit */
-                        desc = irq_desc + IRQ_IOP13XX_MSI_0 + j + (32*i);
-                        desc_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i), desc);
+                        generic_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i));
                         status = (read_imipr[i])();
                 } while (status);
         }
diff --git a/arch/arm/mach-iop13xx/setup.c b/arch/arm/mach-iop13xx/setup.c
index b17ccc8cb471..cfd4d2e6dacd 100644
--- a/arch/arm/mach-iop13xx/setup.c
+++ b/arch/arm/mach-iop13xx/setup.c
@@ -18,13 +18,13 @@
  */
 
 #include <linux/serial_8250.h>
+#include <linux/io.h>
 #ifdef CONFIG_MTD_PHYSMAP
 #include <linux/mtd/physmap.h>
 #endif
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
-#include <asm/io.h>
 #include <asm/hardware/iop_adma.h>
 
 #define IOP13XX_UART_XTAL 33334000
diff --git a/arch/arm/mach-iop13xx/tpmi.c b/arch/arm/mach-iop13xx/tpmi.c
index 2476347ea62f..c6af1e1bee32 100644
--- a/arch/arm/mach-iop13xx/tpmi.c
+++ b/arch/arm/mach-iop13xx/tpmi.c
@@ -21,7 +21,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/irq.h>
 #include <asm/sizes.h>