diff options
Diffstat (limited to 'include/linux/init.h')
-rw-r--r-- | include/linux/init.h | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index 5e664f671615..e59041e21df3 100644 --- a/include/linux/init.h +++ b/include/linux/init.h | |||
@@ -43,11 +43,22 @@ | |||
43 | discard it in modules) */ | 43 | discard it in modules) */ |
44 | #define __init __section(.init.text) __cold notrace | 44 | #define __init __section(.init.text) __cold notrace |
45 | #define __initdata __section(.init.data) | 45 | #define __initdata __section(.init.data) |
46 | #define __initconst __section(.init.rodata) | 46 | #define __initconst __constsection(.init.rodata) |
47 | #define __exitdata __section(.exit.data) | 47 | #define __exitdata __section(.exit.data) |
48 | #define __exit_call __used __section(.exitcall.exit) | 48 | #define __exit_call __used __section(.exitcall.exit) |
49 | 49 | ||
50 | /* | 50 | /* |
51 | * Some architecture have tool chains which do not handle rodata attributes | ||
52 | * correctly. For those disable special sections for const, so that other | ||
53 | * architectures can annotate correctly. | ||
54 | */ | ||
55 | #ifdef CONFIG_BROKEN_RODATA | ||
56 | #define __constsection(x) | ||
57 | #else | ||
58 | #define __constsection(x) __section(x) | ||
59 | #endif | ||
60 | |||
61 | /* | ||
51 | * modpost check for section mismatches during the kernel build. | 62 | * modpost check for section mismatches during the kernel build. |
52 | * A section mismatch happens when there are references from a | 63 | * A section mismatch happens when there are references from a |
53 | * code or data section to an init section (both code or data). | 64 | * code or data section to an init section (both code or data). |
@@ -66,7 +77,7 @@ | |||
66 | */ | 77 | */ |
67 | #define __ref __section(.ref.text) noinline | 78 | #define __ref __section(.ref.text) noinline |
68 | #define __refdata __section(.ref.data) | 79 | #define __refdata __section(.ref.data) |
69 | #define __refconst __section(.ref.rodata) | 80 | #define __refconst __constsection(.ref.rodata) |
70 | 81 | ||
71 | /* compatibility defines */ | 82 | /* compatibility defines */ |
72 | #define __init_refok __ref | 83 | #define __init_refok __ref |
@@ -85,26 +96,26 @@ | |||
85 | /* Used for HOTPLUG */ | 96 | /* Used for HOTPLUG */ |
86 | #define __devinit __section(.devinit.text) __cold notrace | 97 | #define __devinit __section(.devinit.text) __cold notrace |
87 | #define __devinitdata __section(.devinit.data) | 98 | #define __devinitdata __section(.devinit.data) |
88 | #define __devinitconst __section(.devinit.rodata) | 99 | #define __devinitconst __constsection(.devinit.rodata) |
89 | #define __devexit __section(.devexit.text) __exitused __cold notrace | 100 | #define __devexit __section(.devexit.text) __exitused __cold notrace |
90 | #define __devexitdata __section(.devexit.data) | 101 | #define __devexitdata __section(.devexit.data) |
91 | #define __devexitconst __section(.devexit.rodata) | 102 | #define __devexitconst __constsection(.devexit.rodata) |
92 | 103 | ||
93 | /* Used for HOTPLUG_CPU */ | 104 | /* Used for HOTPLUG_CPU */ |
94 | #define __cpuinit __section(.cpuinit.text) __cold notrace | 105 | #define __cpuinit __section(.cpuinit.text) __cold notrace |
95 | #define __cpuinitdata __section(.cpuinit.data) | 106 | #define __cpuinitdata __section(.cpuinit.data) |
96 | #define __cpuinitconst __section(.cpuinit.rodata) | 107 | #define __cpuinitconst __constsection(.cpuinit.rodata) |
97 | #define __cpuexit __section(.cpuexit.text) __exitused __cold notrace | 108 | #define __cpuexit __section(.cpuexit.text) __exitused __cold notrace |
98 | #define __cpuexitdata __section(.cpuexit.data) | 109 | #define __cpuexitdata __section(.cpuexit.data) |
99 | #define __cpuexitconst __section(.cpuexit.rodata) | 110 | #define __cpuexitconst __constsection(.cpuexit.rodata) |
100 | 111 | ||
101 | /* Used for MEMORY_HOTPLUG */ | 112 | /* Used for MEMORY_HOTPLUG */ |
102 | #define __meminit __section(.meminit.text) __cold notrace | 113 | #define __meminit __section(.meminit.text) __cold notrace |
103 | #define __meminitdata __section(.meminit.data) | 114 | #define __meminitdata __section(.meminit.data) |
104 | #define __meminitconst __section(.meminit.rodata) | 115 | #define __meminitconst __constsection(.meminit.rodata) |
105 | #define __memexit __section(.memexit.text) __exitused __cold notrace | 116 | #define __memexit __section(.memexit.text) __exitused __cold notrace |
106 | #define __memexitdata __section(.memexit.data) | 117 | #define __memexitdata __section(.memexit.data) |
107 | #define __memexitconst __section(.memexit.rodata) | 118 | #define __memexitconst __constsection(.memexit.rodata) |
108 | 119 | ||
109 | /* For assembly routines */ | 120 | /* For assembly routines */ |
110 | #define __HEAD .section ".head.text","ax" | 121 | #define __HEAD .section ".head.text","ax" |