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authorJoe Perches <joe@perches.com>2008-03-23 04:03:05 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-17 11:41:26 -0400
commit46e1abc63e736644265e7ec2897f963a4ace5993 (patch)
tree6fcb9b4b79e47528f2384ebb19eec4faed5139db /include/asm-x86/pda.h
parent69bdb7bcc6b9494b1738c6f6dd3fe553c9c6978e (diff)
include/asm-x86/pda.h: checkpatch cleanups - formatting only
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/pda.h')
-rw-r--r--include/asm-x86/pda.h80
1 files changed, 42 insertions, 38 deletions
diff --git a/include/asm-x86/pda.h b/include/asm-x86/pda.h
index d9dc209c24ad..101fb9e11954 100644
--- a/include/asm-x86/pda.h
+++ b/include/asm-x86/pda.h
@@ -57,34 +57,36 @@ extern struct x8664_pda _proxy_pda;
57 57
58#define pda_offset(field) offsetof(struct x8664_pda, field) 58#define pda_offset(field) offsetof(struct x8664_pda, field)
59 59
60#define pda_to_op(op, field, val) do { \ 60#define pda_to_op(op, field, val) \
61 typedef typeof(_proxy_pda.field) T__; \ 61do { \
62 if (0) { T__ tmp__; tmp__ = (val); } /* type checking */ \ 62 typedef typeof(_proxy_pda.field) T__; \
63 switch (sizeof(_proxy_pda.field)) { \ 63 if (0) { T__ tmp__; tmp__ = (val); } /* type checking */ \
64 case 2: \ 64 switch (sizeof(_proxy_pda.field)) { \
65 asm(op "w %1,%%gs:%c2" : \ 65 case 2: \
66 "+m" (_proxy_pda.field) : \ 66 asm(op "w %1,%%gs:%c2" : \
67 "ri" ((T__)val), \ 67 "+m" (_proxy_pda.field) : \
68 "i"(pda_offset(field))); \ 68 "ri" ((T__)val), \
69 break; \ 69 "i"(pda_offset(field))); \
70 case 4: \ 70 break; \
71 asm(op "l %1,%%gs:%c2" : \ 71 case 4: \
72 "+m" (_proxy_pda.field) : \ 72 asm(op "l %1,%%gs:%c2" : \
73 "ri" ((T__)val), \ 73 "+m" (_proxy_pda.field) : \
74 "i" (pda_offset(field))); \ 74 "ri" ((T__)val), \
75 break; \ 75 "i" (pda_offset(field))); \
76 case 8: \ 76 break; \
77 asm(op "q %1,%%gs:%c2": \ 77 case 8: \
78 "+m" (_proxy_pda.field) : \ 78 asm(op "q %1,%%gs:%c2": \
79 "ri" ((T__)val), \ 79 "+m" (_proxy_pda.field) : \
80 "i"(pda_offset(field))); \ 80 "ri" ((T__)val), \
81 break; \ 81 "i"(pda_offset(field))); \
82 default: \ 82 break; \
83 __bad_pda_field(); \ 83 default: \
84 } \ 84 __bad_pda_field(); \
85 } while (0) 85 } \
86} while (0)
86 87
87#define pda_from_op(op,field) ({ \ 88#define pda_from_op(op, field) \
89({ \
88 typeof(_proxy_pda.field) ret__; \ 90 typeof(_proxy_pda.field) ret__; \
89 switch (sizeof(_proxy_pda.field)) { \ 91 switch (sizeof(_proxy_pda.field)) { \
90 case 2: \ 92 case 2: \
@@ -92,23 +94,24 @@ extern struct x8664_pda _proxy_pda;
92 "=r" (ret__) : \ 94 "=r" (ret__) : \
93 "i" (pda_offset(field)), \ 95 "i" (pda_offset(field)), \
94 "m" (_proxy_pda.field)); \ 96 "m" (_proxy_pda.field)); \
95 break; \ 97 break; \
96 case 4: \ 98 case 4: \
97 asm(op "l %%gs:%c1,%0": \ 99 asm(op "l %%gs:%c1,%0": \
98 "=r" (ret__): \ 100 "=r" (ret__): \
99 "i" (pda_offset(field)), \ 101 "i" (pda_offset(field)), \
100 "m" (_proxy_pda.field)); \ 102 "m" (_proxy_pda.field)); \
101 break; \ 103 break; \
102 case 8: \ 104 case 8: \
103 asm(op "q %%gs:%c1,%0": \ 105 asm(op "q %%gs:%c1,%0": \
104 "=r" (ret__) : \ 106 "=r" (ret__) : \
105 "i" (pda_offset(field)), \ 107 "i" (pda_offset(field)), \
106 "m" (_proxy_pda.field)); \ 108 "m" (_proxy_pda.field)); \
107 break; \ 109 break; \
108 default: \ 110 default: \
109 __bad_pda_field(); \ 111 __bad_pda_field(); \
110 } \ 112 } \
111 ret__; }) 113 ret__; \
114})
112 115
113#define read_pda(field) pda_from_op("mov", field) 116#define read_pda(field) pda_from_op("mov", field)
114#define write_pda(field, val) pda_to_op("mov", field, val) 117#define write_pda(field, val) pda_to_op("mov", field, val)
@@ -117,12 +120,13 @@ extern struct x8664_pda _proxy_pda;
117#define or_pda(field, val) pda_to_op("or", field, val) 120#define or_pda(field, val) pda_to_op("or", field, val)
118 121
119/* This is not atomic against other CPUs -- CPU preemption needs to be off */ 122/* This is not atomic against other CPUs -- CPU preemption needs to be off */
120#define test_and_clear_bit_pda(bit, field) ({ \ 123#define test_and_clear_bit_pda(bit, field) \
121 int old__; \ 124({ \
122 asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0" \ 125 int old__; \
123 : "=r" (old__), "+m" (_proxy_pda.field) \ 126 asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0" \
124 : "dIr" (bit), "i" (pda_offset(field)) : "memory"); \ 127 : "=r" (old__), "+m" (_proxy_pda.field) \
125 old__; \ 128 : "dIr" (bit), "i" (pda_offset(field)) : "memory");\
129 old__; \
126}) 130})
127 131
128#endif 132#endif