Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

3 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-i386/dma-mapping.h b/include/asm-i386/dma-mapping.h
index 563964b2995b..e56c335f8ef9 100644
--- a/include/asm-i386/dma-mapping.h
+++ b/include/asm-i386/dma-mapping.h
@@ -11,7 +11,7 @@
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, unsigned int __nocast flag);
+                           dma_addr_t *dma_handle, gfp_t flag);
 
 void dma_free_coherent(struct device *dev, size_t size,
                          void *vaddr, dma_addr_t dma_handle);
diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h
index 44b9db806474..e7a271d39309 100644
--- a/include/asm-i386/futex.h
+++ b/include/asm-i386/futex.h
@@ -61,7 +61,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
         if (op == FUTEX_OP_SET)
                 __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
         else {
-#ifndef CONFIG_X86_BSWAP
+#if !defined(CONFIG_X86_BSWAP) && !defined(CONFIG_UML)
                 if (boot_cpu_data.x86 == 3)
                         ret = -ENOSYS;
                 else
diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h
index 4ac84cc6f01a..622815bf3243 100644
--- a/include/asm-i386/hw_irq.h
+++ b/include/asm-i386/hw_irq.h
@@ -18,6 +18,8 @@
 #include <asm/irq.h>
 #include <asm/sections.h>
 
+struct hw_interrupt_type;
+
 /*
  * Various low-level irq details needed by irq.c, process.c,
  * time.c, io_apic.c and smp.c