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authorDavid Howells <dhowells@redhat.com>2012-10-09 10:47:00 +0200
committerDavid Howells <dhowells@redhat.com>2012-10-09 10:47:00 +0200
commit43e40f25d2c090392fc36cb900b42972e88cc2e2 (patch)
tree10d648ed6a74310c91a8c09e60b03f8328dfd677 /arch/ia64/include/asm/cmpxchg.h
parentMerge branch 'akpm' (Andrew's patch-bomb) (diff)
downloadlinux-43e40f25d2c090392fc36cb900b42972e88cc2e2.tar.xz
linux-43e40f25d2c090392fc36cb900b42972e88cc2e2.zip
UAPI: (Scripted) Disintegrate arch/ia64/include/asm
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/ia64/include/asm/cmpxchg.h')
-rw-r--r--arch/ia64/include/asm/cmpxchg.h147
1 files changed, 0 insertions, 147 deletions
diff --git a/arch/ia64/include/asm/cmpxchg.h b/arch/ia64/include/asm/cmpxchg.h
deleted file mode 100644
index 4f37dbbb8640..000000000000
--- a/arch/ia64/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,147 +0,0 @@
-#ifndef _ASM_IA64_CMPXCHG_H
-#define _ASM_IA64_CMPXCHG_H
-
-/*
- * Compare/Exchange, forked from asm/intrinsics.h
- * which was:
- *
- * Copyright (C) 2002-2003 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- */
-
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-/* include compiler specific intrinsics */
-#include <asm/ia64regs.h>
-#ifdef __INTEL_COMPILER
-# include <asm/intel_intrin.h>
-#else
-# include <asm/gcc_intrin.h>
-#endif
-
-/*
- * This function doesn't exist, so you'll get a linker error if
- * something tries to do an invalid xchg().
- */
-extern void ia64_xchg_called_with_bad_pointer(void);
-
-#define __xchg(x, ptr, size) \
-({ \
- unsigned long __xchg_result; \
- \
- switch (size) { \
- case 1: \
- __xchg_result = ia64_xchg1((__u8 *)ptr, x); \
- break; \
- \
- case 2: \
- __xchg_result = ia64_xchg2((__u16 *)ptr, x); \
- break; \
- \
- case 4: \
- __xchg_result = ia64_xchg4((__u32 *)ptr, x); \
- break; \
- \
- case 8: \
- __xchg_result = ia64_xchg8((__u64 *)ptr, x); \
- break; \
- default: \
- ia64_xchg_called_with_bad_pointer(); \
- } \
- __xchg_result; \
-})
-
-#define xchg(ptr, x) \
-((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
-
-/*
- * Atomic compare and exchange. Compare OLD with MEM, if identical,
- * store NEW in MEM. Return the initial value in MEM. Success is
- * indicated by comparing RETURN with OLD.
- */
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-/*
- * This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg().
- */
-extern long ia64_cmpxchg_called_with_bad_pointer(void);
-
-#define ia64_cmpxchg(sem, ptr, old, new, size) \
-({ \
- __u64 _o_, _r_; \
- \
- switch (size) { \
- case 1: \
- _o_ = (__u8) (long) (old); \
- break; \
- case 2: \
- _o_ = (__u16) (long) (old); \
- break; \
- case 4: \
- _o_ = (__u32) (long) (old); \
- break; \
- case 8: \
- _o_ = (__u64) (long) (old); \
- break; \
- default: \
- break; \
- } \
- switch (size) { \
- case 1: \
- _r_ = ia64_cmpxchg1_##sem((__u8 *) ptr, new, _o_); \
- break; \
- \
- case 2: \
- _r_ = ia64_cmpxchg2_##sem((__u16 *) ptr, new, _o_); \
- break; \
- \
- case 4: \
- _r_ = ia64_cmpxchg4_##sem((__u32 *) ptr, new, _o_); \
- break; \
- \
- case 8: \
- _r_ = ia64_cmpxchg8_##sem((__u64 *) ptr, new, _o_); \
- break; \
- \
- default: \
- _r_ = ia64_cmpxchg_called_with_bad_pointer(); \
- break; \
- } \
- (__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)))
-
-/* for compatibility with other platforms: */
-#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;
-# define CMPXCHG_BUGCHECK(v) \
-do { \
- if (_cmpxchg_bugcheck_count-- <= 0) { \
- void *ip; \
- extern int printk(const char *fmt, ...); \
- ip = (void *) ia64_getreg(_IA64_REG_IP); \
- printk("CMPXCHG_BUGCHECK: stuck at %p on word %p\n", ip, (v));\
- break; \
- } \
-} while (0)
-#else /* !CONFIG_IA64_DEBUG_CMPXCHG */
-# define CMPXCHG_BUGCHECK_DECL
-# define CMPXCHG_BUGCHECK(v)
-#endif /* !CONFIG_IA64_DEBUG_CMPXCHG */
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _ASM_IA64_CMPXCHG_H */