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-rw-r--r--include/asm-ia64/bitops.h50
-rw-r--r--include/asm-ia64/gcc_intrin.h2
-rw-r--r--include/asm-ia64/mca.h6
-rw-r--r--include/asm-ia64/mca_asm.h3
-rw-r--r--include/asm-ia64/processor.h2
-rw-r--r--include/asm-ia64/sal.h14
6 files changed, 39 insertions, 38 deletions
diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h
index a1b9719f5fb..953d3df9dd2 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/gcc_intrin.h b/include/asm-ia64/gcc_intrin.h
index 5b6665c754c..de2ed2cbdd8 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/mca.h b/include/asm-ia64/mca.h
index 823553bf12e..f1663aa94a5 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 76203f9a871..dd2a5b13439 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/processor.h b/include/asm-ia64/processor.h
index 666385b6882..741f7ecb986 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -473,7 +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/sal.h b/include/asm-ia64/sal.h
index 1f5412d6f9b..2251118894a 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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 19:03:49 +0000