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| Rev 1408 | Rev 1970 | ||
|---|---|---|---|
| Line 6... | Line 6... | ||
| 6 | * |
6 | * |
| 7 | * here's the role of the various spinlock/rwlock related include files: |
7 | * here's the role of the various spinlock/rwlock related include files: |
| 8 | * |
8 | * |
| 9 | * on SMP builds: |
9 | * on SMP builds: |
| 10 | * |
10 | * |
| 11 | * asm/spinlock_types.h: contains the raw_spinlock_t/raw_rwlock_t and the |
11 | * asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the |
| 12 | * initializers |
12 | * initializers |
| 13 | * |
13 | * |
| 14 | * linux/spinlock_types.h: |
14 | * linux/spinlock_types.h: |
| 15 | * defines the generic type and initializers |
15 | * defines the generic type and initializers |
| 16 | * |
16 | * |
| 17 | * asm/spinlock.h: contains the __raw_spin_*()/etc. lowlevel |
17 | * asm/spinlock.h: contains the arch_spin_*()/etc. lowlevel |
| 18 | * implementations, mostly inline assembly code |
18 | * implementations, mostly inline assembly code |
| 19 | * |
19 | * |
| 20 | * (also included on UP-debug builds:) |
20 | * (also included on UP-debug builds:) |
| 21 | * |
21 | * |
| 22 | * linux/spinlock_api_smp.h: |
22 | * linux/spinlock_api_smp.h: |
| Line 32... | Line 32... | ||
| 32 | * |
32 | * |
| 33 | * linux/spinlock_types.h: |
33 | * linux/spinlock_types.h: |
| 34 | * defines the generic type and initializers |
34 | * defines the generic type and initializers |
| 35 | * |
35 | * |
| 36 | * linux/spinlock_up.h: |
36 | * linux/spinlock_up.h: |
| 37 | * contains the __raw_spin_*()/etc. version of UP |
37 | * contains the arch_spin_*()/etc. version of UP |
| 38 | * builds. (which are NOPs on non-debug, non-preempt |
38 | * builds. (which are NOPs on non-debug, non-preempt |
| 39 | * builds) |
39 | * builds) |
| 40 | * |
40 | * |
| 41 | * (included on UP-non-debug builds:) |
41 | * (included on UP-non-debug builds:) |
| 42 | * |
42 | * |
| Line 58... | Line 58... | ||
| 58 | //#include |
58 | //#include |
| Line 59... | Line 59... | ||
| 59 | 59 | ||
| 60 | /* |
60 | /* |
| 61 | * Must define these before including other files, inline functions need them |
61 | * Must define these before including other files, inline functions need them |
| 62 | */ |
62 | */ |
| Line 63... | Line 63... | ||
| 63 | #define LOCK_SECTION_NAME ".text.lock."KBUILD_BASENAME |
63 | #define LOCK_SECTION_NAME ".text..lock."KBUILD_BASENAME |
| 64 | 64 | ||
| 65 | #define LOCK_SECTION_START(extra) \ |
65 | #define LOCK_SECTION_START(extra) \ |
| 66 | ".subsection 1\n\t" \ |
66 | ".subsection 1\n\t" \ |
| Line 73... | Line 73... | ||
| 73 | ".previous\n\t" |
73 | ".previous\n\t" |
| Line 74... | Line 74... | ||
| 74 | 74 | ||
| Line 75... | Line 75... | ||
| 75 | #define __lockfunc __attribute__((section(".spinlock.text"))) |
75 | #define __lockfunc __attribute__((section(".spinlock.text"))) |
| 76 | 76 | ||
| 77 | /* |
77 | /* |
| 78 | * Pull the raw_spinlock_t and raw_rwlock_t definitions: |
78 | * Pull the arch_spinlock_t and arch_rwlock_t definitions: |
| Line 79... | Line 79... | ||
| 79 | */ |
79 | */ |
| 80 | #include |
80 | #include |
| 81 | 81 | ||
| 82 | /* |
82 | /* |
| 83 | * Pull the __raw*() functions/declarations (UP-nondebug doesnt need them): |
83 | * Pull the arch_spin*() functions/declarations (UP-nondebug doesn't need them): |
| 84 | */ |
84 | */ |
| 85 | #ifdef CONFIG_SMP |
85 | #ifdef CONFIG_SMP |