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-rw-r--r--include/asm-ia64/a.out.h3
-rw-r--r--include/asm-ia64/bitops.h50
-rw-r--r--include/asm-ia64/elf.h3
-rw-r--r--include/asm-ia64/gcc_intrin.h2
-rw-r--r--include/asm-ia64/intrinsics.h12
-rw-r--r--include/asm-ia64/mca.h6
-rw-r--r--include/asm-ia64/mca_asm.h3
-rw-r--r--include/asm-ia64/page.h5
-rw-r--r--include/asm-ia64/param.h10
-rw-r--r--include/asm-ia64/pgalloc.h34
-rw-r--r--include/asm-ia64/processor.h5
-rw-r--r--include/asm-ia64/ptrace.h11
-rw-r--r--include/asm-ia64/sal.h14
-rw-r--r--include/asm-ia64/thread_info.h11
-rw-r--r--include/asm-ia64/unistd.h5
-rw-r--r--include/asm-ia64/user.h2
16 files changed, 98 insertions, 78 deletions
diff --git a/include/asm-ia64/a.out.h b/include/asm-ia64/a.out.h
index 7293ac1df3ab..193dcfb67596 100644
--- a/include/asm-ia64/a.out.h
+++ b/include/asm-ia64/a.out.h
@@ -29,7 +29,4 @@ struct exec {
#define N_SYMSIZE(x) 0
#define N_TXTOFF(x) 0
-#ifdef __KERNEL__
-#include <asm/ustack.h>
-#endif
#endif /* _ASM_IA64_A_OUT_H */
diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h
index a1b9719f5fbb..953d3df9dd22 100644
--- a/include/asm-ia64/bitops.h
+++ b/include/asm-ia64/bitops.h
@@ -122,38 +122,40 @@ clear_bit_unlock (int nr, volatile void *addr)
}
/**
- * __clear_bit_unlock - Non-atomically clear a bit with release
+ * __clear_bit_unlock - Non-atomically clears a bit in memory with release
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
*
- * This is like clear_bit_unlock, but the implementation uses a store
+ * Similarly to clear_bit_unlock, the implementation uses a store
* with release semantics. See also __raw_spin_unlock().
*/
static __inline__ void
-__clear_bit_unlock(int nr, volatile void *addr)
+__clear_bit_unlock(int nr, void *addr)
{
- __u32 mask, new;
- volatile __u32 *m;
+ __u32 * const m = (__u32 *) addr + (nr >> 5);
+ __u32 const new = *m & ~(1 << (nr & 31));
- m = (volatile __u32 *)addr + (nr >> 5);
- mask = ~(1 << (nr & 31));
- new = *m & mask;
- barrier();
ia64_st4_rel_nta(m, new);
}
/**
* __clear_bit - Clears a bit in memory (non-atomic version)
+ * @nr: the bit to clear
+ * @addr: the address to start counting from
+ *
+ * Unlike clear_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
*/
static __inline__ void
__clear_bit (int nr, volatile void *addr)
{
- volatile __u32 *p = (__u32 *) addr + (nr >> 5);
- __u32 m = 1 << (nr & 31);
- *p &= ~m;
+ *((__u32 *) addr + (nr >> 5)) &= ~(1 << (nr & 31));
}
/**
* change_bit - Toggle a bit in memory
- * @nr: Bit to clear
+ * @nr: Bit to toggle
* @addr: Address to start counting from
*
* change_bit() is atomic and may not be reordered.
@@ -178,7 +180,7 @@ change_bit (int nr, volatile void *addr)
/**
* __change_bit - Toggle a bit in memory
- * @nr: the bit to set
+ * @nr: the bit to toggle
* @addr: the address to start counting from
*
* Unlike change_bit(), this function is non-atomic and may be reordered.
@@ -197,7 +199,7 @@ __change_bit (int nr, volatile void *addr)
* @addr: Address to count from
*
* This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
+ * It also implies the acquisition side of the memory barrier.
*/
static __inline__ int
test_and_set_bit (int nr, volatile void *addr)
@@ -247,11 +249,11 @@ __test_and_set_bit (int nr, volatile void *addr)
/**
* test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to set
+ * @nr: Bit to clear
* @addr: Address to count from
*
* This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
+ * It also implies the acquisition side of the memory barrier.
*/
static __inline__ int
test_and_clear_bit (int nr, volatile void *addr)
@@ -272,7 +274,7 @@ test_and_clear_bit (int nr, volatile void *addr)
/**
* __test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to set
+ * @nr: Bit to clear
* @addr: Address to count from
*
* This operation is non-atomic and can be reordered.
@@ -292,11 +294,11 @@ __test_and_clear_bit(int nr, volatile void * addr)
/**
* test_and_change_bit - Change a bit and return its old value
- * @nr: Bit to set
+ * @nr: Bit to change
* @addr: Address to count from
*
* This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
+ * It also implies the acquisition side of the memory barrier.
*/
static __inline__ int
test_and_change_bit (int nr, volatile void *addr)
@@ -315,8 +317,12 @@ test_and_change_bit (int nr, volatile void *addr)
return (old & bit) != 0;
}
-/*
- * WARNING: non atomic version.
+/**
+ * __test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to change
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
*/
static __inline__ int
__test_and_change_bit (int nr, void *addr)
diff --git a/include/asm-ia64/elf.h b/include/asm-ia64/elf.h
index f10e29b60b00..f8e83eca67a2 100644
--- a/include/asm-ia64/elf.h
+++ b/include/asm-ia64/elf.h
@@ -177,7 +177,6 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
relevant until we have real hardware to play with... */
#define ELF_PLATFORM NULL
-#ifdef __KERNEL__
#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX)
#define elf_read_implies_exec(ex, executable_stack) \
((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)
@@ -248,6 +247,4 @@ do { \
} \
} while (0)
-#endif /* __KERNEL__ */
-
#endif /* _ASM_IA64_ELF_H */
diff --git a/include/asm-ia64/gcc_intrin.h b/include/asm-ia64/gcc_intrin.h
index 5b6665c754c9..de2ed2cbdd84 100644
--- a/include/asm-ia64/gcc_intrin.h
+++ b/include/asm-ia64/gcc_intrin.h
@@ -24,7 +24,9 @@
extern void ia64_bad_param_for_setreg (void);
extern void ia64_bad_param_for_getreg (void);
+#ifdef __KERNEL__
register unsigned long ia64_r13 asm ("r13") __used;
+#endif
#define ia64_setreg(regnum, val) \
({ \
diff --git a/include/asm-ia64/intrinsics.h b/include/asm-ia64/intrinsics.h
index 3a95aa432e99..f1135b5b94c3 100644
--- a/include/asm-ia64/intrinsics.h
+++ b/include/asm-ia64/intrinsics.h
@@ -153,11 +153,17 @@ extern long ia64_cmpxchg_called_with_bad_pointer (void);
(__typeof__(old)) _r_; \
})
-#define cmpxchg_acq(ptr,o,n) ia64_cmpxchg(acq, (ptr), (o), (n), sizeof(*(ptr)))
-#define cmpxchg_rel(ptr,o,n) ia64_cmpxchg(rel, (ptr), (o), (n), sizeof(*(ptr)))
+#define cmpxchg_acq(ptr, o, n) \
+ ia64_cmpxchg(acq, (ptr), (o), (n), sizeof(*(ptr)))
+#define cmpxchg_rel(ptr, o, n) \
+ ia64_cmpxchg(rel, (ptr), (o), (n), sizeof(*(ptr)))
/* for compatibility with other platforms: */
-#define cmpxchg(ptr,o,n) cmpxchg_acq(ptr,o,n)
+#define cmpxchg(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
+#define cmpxchg64(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
+
+#define cmpxchg_local cmpxchg
+#define cmpxchg64_local cmpxchg64
#ifdef CONFIG_IA64_DEBUG_CMPXCHG
# define CMPXCHG_BUGCHECK_DECL int _cmpxchg_bugcheck_count = 128;
diff --git a/include/asm-ia64/mca.h b/include/asm-ia64/mca.h
index 823553bf12e6..f1663aa94a52 100644
--- a/include/asm-ia64/mca.h
+++ b/include/asm-ia64/mca.h
@@ -3,9 +3,9 @@
* Purpose: Machine check handling specific defines
*
* Copyright (C) 1999, 2004 Silicon Graphics, Inc.
- * Copyright (C) Vijay Chander (vijay@engr.sgi.com)
- * Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
- * Copyright (C) Russ Anderson (rja@sgi.com)
+ * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
+ * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
+ * Copyright (C) Russ Anderson <rja@sgi.com>
*/
#ifndef _ASM_IA64_MCA_H
diff --git a/include/asm-ia64/mca_asm.h b/include/asm-ia64/mca_asm.h
index 76203f9a8718..dd2a5b134390 100644
--- a/include/asm-ia64/mca_asm.h
+++ b/include/asm-ia64/mca_asm.h
@@ -1,8 +1,9 @@
/*
* File: mca_asm.h
+ * Purpose: Machine check handling specific defines
*
* Copyright (C) 1999 Silicon Graphics, Inc.
- * Copyright (C) Vijay Chander (vijay@engr.sgi.com)
+ * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
* Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
* Copyright (C) 2000 Hewlett-Packard Co.
* Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index d6345464a2b3..4999a6c63775 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -7,8 +7,6 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
-# ifdef __KERNEL__
-
#include <asm/intrinsics.h>
#include <asm/types.h>
@@ -187,6 +185,7 @@ get_order (unsigned long size)
#endif
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
+ typedef struct page *pgtable_t;
# define pte_val(x) ((x).pte)
# define pmd_val(x) ((x).pmd)
@@ -208,6 +207,7 @@ get_order (unsigned long size)
typedef unsigned long pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long pgprot_t;
+ typedef struct page *pgtable_t;
# endif
# define pte_val(x) (x)
@@ -227,5 +227,4 @@ get_order (unsigned long size)
(((current->personality & READ_IMPLIES_EXEC) != 0) \
? VM_EXEC : 0))
-# endif /* __KERNEL__ */
#endif /* _ASM_IA64_PAGE_H */
diff --git a/include/asm-ia64/param.h b/include/asm-ia64/param.h
index 49c62dd5eccf..0964c32c1358 100644
--- a/include/asm-ia64/param.h
+++ b/include/asm-ia64/param.h
@@ -19,15 +19,7 @@
#define MAXHOSTNAMELEN 64 /* max length of hostname */
#ifdef __KERNEL__
-# ifdef CONFIG_IA64_HP_SIM
- /*
- * Yeah, simulating stuff is slow, so let us catch some breath between
- * timer interrupts...
- */
-# define HZ 32
-# else
-# define HZ CONFIG_HZ
-# endif
+# define HZ CONFIG_HZ
# define USER_HZ HZ
# define CLOCKS_PER_SEC HZ /* frequency at which times() counts */
#else
diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h
index 67552cad5173..b9ac1a6fc216 100644
--- a/include/asm-ia64/pgalloc.h
+++ b/include/asm-ia64/pgalloc.h
@@ -27,7 +27,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
-static inline void pgd_free(pgd_t * pgd)
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
quicklist_free(0, NULL, pgd);
}
@@ -44,11 +44,11 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
-static inline void pud_free(pud_t * pud)
+static inline void pud_free(struct mm_struct *mm, pud_t *pud)
{
quicklist_free(0, NULL, pud);
}
-#define __pud_free_tlb(tlb, pud) pud_free(pud)
+#define __pud_free_tlb(tlb, pud) pud_free((tlb)->mm, pud)
#endif /* CONFIG_PGTABLE_4 */
static inline void
@@ -62,18 +62,19 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
-static inline void pmd_free(pmd_t * pmd)
+static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
quicklist_free(0, NULL, pmd);
}
-#define __pmd_free_tlb(tlb, pmd) pmd_free(pmd)
+#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd)
static inline void
-pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, struct page *pte)
+pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, pgtable_t pte)
{
pmd_val(*pmd_entry) = page_to_phys(pte);
}
+#define pmd_pgtable(pmd) pmd_page(pmd)
static inline void
pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
@@ -81,11 +82,17 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
pmd_val(*pmd_entry) = __pa(pte);
}
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
- unsigned long addr)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- void *pg = quicklist_alloc(0, GFP_KERNEL, NULL);
- return pg ? virt_to_page(pg) : NULL;
+ struct page *page;
+ void *pg;
+
+ pg = quicklist_alloc(0, GFP_KERNEL, NULL);
+ if (!pg)
+ return NULL;
+ page = virt_to_page(pg);
+ pgtable_page_ctor(page);
+ return page;
}
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
@@ -94,12 +101,13 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
-static inline void pte_free(struct page *pte)
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
{
+ pgtable_page_dtor(pte);
quicklist_free_page(0, NULL, pte);
}
-static inline void pte_free_kernel(pte_t * pte)
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
quicklist_free(0, NULL, pte);
}
@@ -109,6 +117,6 @@ static inline void check_pgt_cache(void)
quicklist_trim(0, NULL, 25, 16);
}
-#define __pte_free_tlb(tlb, pte) pte_free(pte)
+#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte)
#endif /* _ASM_IA64_PGALLOC_H */
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index be3b0ae43270..741f7ecb986a 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -31,7 +31,8 @@
* each (assuming 8KB page size), for a total of 8TB of user virtual
* address space.
*/
-#define TASK_SIZE (current->thread.task_size)
+#define TASK_SIZE_OF(tsk) ((tsk)->thread.task_size)
+#define TASK_SIZE TASK_SIZE_OF(current)
/*
* This decides where the kernel will search for a free chunk of vm
@@ -472,7 +473,7 @@ ia64_set_psr (__u64 psr)
{
ia64_stop();
ia64_setreg(_IA64_REG_PSR_L, psr);
- ia64_srlz_d();
+ ia64_srlz_i();
}
/*
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index f4ef87a36236..0bdce7dde1b0 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -292,6 +292,7 @@ struct switch_stack {
unsigned long, long);
extern void ia64_flush_fph (struct task_struct *);
extern void ia64_sync_fph (struct task_struct *);
+ extern void ia64_sync_krbs(void);
extern long ia64_sync_user_rbs (struct task_struct *, struct switch_stack *,
unsigned long, unsigned long);
@@ -303,6 +304,16 @@ struct switch_stack {
extern void ia64_increment_ip (struct pt_regs *pt);
extern void ia64_decrement_ip (struct pt_regs *pt);
+ extern void ia64_ptrace_stop(void);
+ #define arch_ptrace_stop(code, info) \
+ ia64_ptrace_stop()
+ #define arch_ptrace_stop_needed(code, info) \
+ (!test_thread_flag(TIF_RESTORE_RSE))
+
+ extern void ptrace_attach_sync_user_rbs (struct task_struct *);
+ #define arch_ptrace_attach(child) \
+ ptrace_attach_sync_user_rbs(child)
+
#endif /* !__KERNEL__ */
/* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */
diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index 1f5412d6f9bb..2251118894ae 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -649,17 +649,6 @@ typedef struct err_rec {
* Now define a couple of inline functions for improved type checking
* and convenience.
*/
-static inline long
-ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second,
- unsigned long *drift_info)
-{
- struct ia64_sal_retval isrv;
-
- SAL_CALL(isrv, SAL_FREQ_BASE, which, 0, 0, 0, 0, 0, 0);
- *ticks_per_second = isrv.v0;
- *drift_info = isrv.v1;
- return isrv.status;
-}
extern s64 ia64_sal_cache_flush (u64 cache_type);
extern void __init check_sal_cache_flush (void);
@@ -841,6 +830,9 @@ extern int ia64_sal_oemcall_nolock(struct ia64_sal_retval *, u64, u64, u64,
u64, u64, u64, u64, u64);
extern int ia64_sal_oemcall_reentrant(struct ia64_sal_retval *, u64, u64, u64,
u64, u64, u64, u64, u64);
+extern long
+ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second,
+ unsigned long *drift_info);
#ifdef CONFIG_HOTPLUG_CPU
/*
* System Abstraction Layer Specification
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index d16031e72efa..93d83cbe0c8c 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -71,6 +71,9 @@ struct thread_info {
#define alloc_task_struct() ((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
#define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
+#define tsk_set_notify_resume(tsk) \
+ set_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME)
+extern void tsk_clear_notify_resume(struct task_struct *tsk);
#endif /* !__ASSEMBLY */
/*
@@ -85,28 +88,30 @@ struct thread_info {
#define TIF_SYSCALL_AUDIT 3 /* syscall auditing active */
#define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */
#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */
-#define TIF_PERFMON_WORK 6 /* work for pfm_handle_work() */
+#define TIF_NOTIFY_RESUME 6 /* resumption notification requested */
#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 */
#define TIF_DB_DISABLED 19 /* debug trap disabled for fsyscall */
#define TIF_FREEZE 20 /* is freezing for suspend */
+#define TIF_RESTORE_RSE 21 /* user RBS is newer than kernel RBS */
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
#define _TIF_SYSCALL_TRACEAUDIT (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP)
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
-#define _TIF_PERFMON_WORK (1 << TIF_PERFMON_WORK)
+#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_MCA_INIT (1 << TIF_MCA_INIT)
#define _TIF_DB_DISABLED (1 << TIF_DB_DISABLED)
#define _TIF_FREEZE (1 << TIF_FREEZE)
+#define _TIF_RESTORE_RSE (1 << TIF_RESTORE_RSE)
/* "work to do on user-return" bits */
-#define TIF_ALLWORK_MASK (_TIF_SIGPENDING|_TIF_PERFMON_WORK|_TIF_SYSCALL_AUDIT|\
+#define TIF_ALLWORK_MASK (_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SYSCALL_AUDIT|\
_TIF_NEED_RESCHED| _TIF_SYSCALL_TRACE|\
_TIF_RESTORE_SIGMASK)
/* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 315f8de950a2..e60314716122 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -299,11 +299,14 @@
#define __NR_signalfd 1307
#define __NR_timerfd 1308
#define __NR_eventfd 1309
+#define __NR_timerfd_create 1310
+#define __NR_timerfd_settime 1311
+#define __NR_timerfd_gettime 1312
#ifdef __KERNEL__
-#define NR_syscalls 286 /* length of syscall table */
+#define NR_syscalls 289 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/include/asm-ia64/user.h b/include/asm-ia64/user.h
index 78e5a20140aa..8b9821110348 100644
--- a/include/asm-ia64/user.h
+++ b/include/asm-ia64/user.h
@@ -44,7 +44,7 @@ struct user {
unsigned long start_data; /* data starting address */
unsigned long start_stack; /* stack starting address */
long int signal; /* signal causing core dump */
- struct regs * u_ar0; /* help gdb find registers */
+ unsigned long u_ar0; /* help gdb find registers */
unsigned long magic; /* identifies a core file */
char u_comm[32]; /* user command name */
};