Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (27 commits)
  [IA64] swiotlb abstraction (e.g. for Xen)
  [IA64] swiotlb cleanup
  [IA64] make swiotlb use bus_to_virt/virt_to_bus
  [IA64] swiotlb bug fixes
  [IA64] Hook up getcpu system call for IA64
  [IA64] clean up sparsemem memory_present call
  [IA64] show_mem() for IA64 sparsemem NUMA
  [IA64] missing exports hwsw_sync_...
  [IA64] virt_to_page() can be called with NULL arg
  [IA64] alignment bug in ldscript
  [IA64] register memory ranges in a consistent manner
  [IA64] Enable SWIOTLB only when needed
  [IA64-SGI] Check for TIO errors on shub2 Altix
  [IA64] remove bogus prototype ia64_esi_init()
  [IA64] Clear IRQ affinity when unregistered
  [IA64] fix ACPI Kconfig issues
  [IA64] Fix NULL-pointer dereference in ia64_machine_kexec()
  [IA64] find thread for user rbs address
  [IA64] use snprintf() on features field of /proc/cpuinfo
  [IA64] enable singlestep on system call
  ...

8 files changed, 26 insertions, 8 deletions

diff --git a/include/asm-ia64/dma.h b/include/asm-ia64/dma.h
index dad3a73..4d97f60 100644
--- a/include/asm-ia64/dma.h
+++ b/include/asm-ia64/dma.h
@@ -19,4 +19,6 @@ extern unsigned long MAX_DMA_ADDRESS;
 
 #define free_dma(x)
 
+void dma_mark_clean(void *addr, size_t size);
+
 #endif /* _ASM_IA64_DMA_H */
diff --git a/include/asm-ia64/esi.h b/include/asm-ia64/esi.h
index 84aac0e..40991c6 100644
--- a/include/asm-ia64/esi.h
+++ b/include/asm-ia64/esi.h
@@ -19,7 +19,6 @@ enum esi_proc_type {
 	ESI_PROC_REENTRANT	/* MP-safe and reentrant */
 };
 
-extern int ia64_esi_init (void);
 extern struct ia64_sal_retval esi_call_phys (void *, u64 *);
 extern int ia64_esi_call(efi_guid_t, struct ia64_sal_retval *,
 			 enum esi_proc_type,
diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h
index c8df759..6dd476b 100644
--- a/include/asm-ia64/meminit.h
+++ b/include/asm-ia64/meminit.h
@@ -51,12 +51,13 @@ extern void efi_memmap_init(unsigned long *, unsigned long *);
 
 #define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
 
+extern int register_active_ranges(u64 start, u64 end, void *arg);
+
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 # define LARGE_GAP	0x40000000 /* Use virtual mem map if hole is > than this */
   extern unsigned long vmalloc_end;
   extern struct page *vmem_map;
   extern int find_largest_hole (u64 start, u64 end, void *arg);
-  extern int register_active_ranges (u64 start, u64 end, void *arg);
   extern int create_mem_map_page_table (u64 start, u64 end, void *arg);
   extern int vmemmap_find_next_valid_pfn(int, int);
 #else
diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h
index 393e04c..560c287 100644
--- a/include/asm-ia64/pgalloc.h
+++ b/include/asm-ia64/pgalloc.h
@@ -137,7 +137,8 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
 static inline struct page *pte_alloc_one(struct mm_struct *mm,
 					 unsigned long addr)
 {
-	return virt_to_page(pgtable_quicklist_alloc());
+	void *pg = pgtable_quicklist_alloc();
+	return pg ? virt_to_page(pg) : NULL;
 }
 
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
diff --git a/include/asm-ia64/swiotlb.h b/include/asm-ia64/swiotlb.h
new file mode 100644
index 0000000..452c162
--- /dev/null
+++ b/include/asm-ia64/swiotlb.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SWIOTLB_H
+#define _ASM_SWIOTLB_H 1
+
+#include <asm/machvec.h>
+
+#define SWIOTLB_ARCH_NEED_LATE_INIT
+#define SWIOTLB_ARCH_NEED_ALLOC
+
+#endif /* _ASM_SWIOTLB_H */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 9b505b2..9169859 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -84,6 +84,7 @@ struct thread_info {
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
 #define TIF_SYSCALL_TRACE	3	/* syscall trace active */
 #define TIF_SYSCALL_AUDIT	4	/* syscall auditing active */
+#define TIF_SINGLESTEP		5	/* restore singlestep on return to user mode */
 #define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		17
 #define TIF_MCA_INIT		18	/* this task is processing MCA or INIT */
@@ -92,7 +93,8 @@ struct thread_info {
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
-#define _TIF_SYSCALL_TRACEAUDIT	(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
+#define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)
+#define _TIF_SYSCALL_TRACEAUDIT	(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 53c5c0e..a9e1fa4 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -291,11 +291,13 @@
 #define __NR_sync_file_range		1300
 #define __NR_tee			1301
 #define __NR_vmsplice			1302
+/* 1303 reserved for move_pages */
+#define __NR_getcpu			1304
 
 #ifdef __KERNEL__
 
 
-#define NR_syscalls			279 /* length of syscall table */
+#define NR_syscalls			281 /* length of syscall table */
 
 #define __ARCH_WANT_SYS_RT_SIGACTION
 
diff --git a/include/asm-x86_64/swiotlb.h b/include/asm-x86_64/swiotlb.h
index ba94ab3..ab913ff 100644
--- a/include/asm-x86_64/swiotlb.h
+++ b/include/asm-x86_64/swiotlb.h
@@ -1,6 +1,5 @@
 #ifndef _ASM_SWIOTLB_H
-#define _ASM_SWTIOLB_H 1
-
+#define _ASM_SWIOTLB_H 1
 
 #include <asm/dma-mapping.h>
 
@@ -45,6 +44,7 @@ extern void swiotlb_init(void);
 extern int swiotlb_force;
 
 #ifdef CONFIG_SWIOTLB
+#define SWIOTLB_ARCH_NEED_ALLOC
 extern int swiotlb;
 #else
 #define swiotlb 0
@@ -52,4 +52,6 @@ extern int swiotlb;
 
 extern void pci_swiotlb_init(void);
 
-#endif /* _ASM_SWTIOLB_H */
+static inline void dma_mark_clean(void *addr, size_t size) {}
+
+#endif /* _ASM_SWIOTLB_H */