diff options
author | Andrew Morton <akpm@osdl.org> | 2006-10-20 17:30:27 -0400 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2006-10-21 01:22:43 -0400 |
commit | d0a9081b1e75ba62bb4450c5b8e8299a41d25278 (patch) | |
tree | abed939f2d35a78621206b50d2b4c9b4fd923dab /include/asm-x86_64 | |
parent | 965a3d447276491b7ed053b25679c062beb04194 (diff) |
ACPI: uninline ACPI global locking functions
- Fixes a build problem with CONFIG_M386=y (include file dependencies get
messy).
- Share the implementation between x86 and x86_64
- These are too big to inline anyway.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r-- | include/asm-x86_64/acpi.h | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index ed59aa4c6ff9..1371e88666ed 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h | |||
@@ -54,30 +54,8 @@ | |||
54 | #define ACPI_ENABLE_IRQS() local_irq_enable() | 54 | #define ACPI_ENABLE_IRQS() local_irq_enable() |
55 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() | 55 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() |
56 | 56 | ||
57 | 57 | int __acpi_acquire_global_lock(unsigned int *lock); | |
58 | static inline int | 58 | int __acpi_release_global_lock(unsigned int *lock); |
59 | __acpi_acquire_global_lock (unsigned int *lock) | ||
60 | { | ||
61 | unsigned int old, new, val; | ||
62 | do { | ||
63 | old = *lock; | ||
64 | new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); | ||
65 | val = cmpxchg(lock, old, new); | ||
66 | } while (unlikely (val != old)); | ||
67 | return (new < 3) ? -1 : 0; | ||
68 | } | ||
69 | |||
70 | static inline int | ||
71 | __acpi_release_global_lock (unsigned int *lock) | ||
72 | { | ||
73 | unsigned int old, new, val; | ||
74 | do { | ||
75 | old = *lock; | ||
76 | new = old & ~0x3; | ||
77 | val = cmpxchg(lock, old, new); | ||
78 | } while (unlikely (val != old)); | ||
79 | return old & 0x1; | ||
80 | } | ||
81 | 59 | ||
82 | #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ | 60 | #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ |
83 | ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr)) | 61 | ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr)) |