diff options
-rw-r--r-- | arch/x86/include/asm/percpu.h | 26 | ||||
-rw-r--r-- | arch/x86/include/asm/system.h | 2 |
2 files changed, 14 insertions, 14 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 03aa4b00a1c3..165d5272ece1 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h | |||
@@ -39,10 +39,10 @@ | |||
39 | #include <linux/stringify.h> | 39 | #include <linux/stringify.h> |
40 | 40 | ||
41 | #ifdef CONFIG_SMP | 41 | #ifdef CONFIG_SMP |
42 | #define __percpu_seg_str "%%"__stringify(__percpu_seg)":" | 42 | #define __percpu_arg(x) "%%"__stringify(__percpu_seg)":%P" #x |
43 | #define __my_cpu_offset percpu_read(this_cpu_off) | 43 | #define __my_cpu_offset percpu_read(this_cpu_off) |
44 | #else | 44 | #else |
45 | #define __percpu_seg_str | 45 | #define __percpu_arg(x) "%" #x |
46 | #endif | 46 | #endif |
47 | 47 | ||
48 | /* For arch-specific code, we can use direct single-insn ops (they | 48 | /* For arch-specific code, we can use direct single-insn ops (they |
@@ -58,22 +58,22 @@ do { \ | |||
58 | } \ | 58 | } \ |
59 | switch (sizeof(var)) { \ | 59 | switch (sizeof(var)) { \ |
60 | case 1: \ | 60 | case 1: \ |
61 | asm(op "b %1,"__percpu_seg_str"%0" \ | 61 | asm(op "b %1,"__percpu_arg(0) \ |
62 | : "+m" (var) \ | 62 | : "+m" (var) \ |
63 | : "ri" ((T__)val)); \ | 63 | : "ri" ((T__)val)); \ |
64 | break; \ | 64 | break; \ |
65 | case 2: \ | 65 | case 2: \ |
66 | asm(op "w %1,"__percpu_seg_str"%0" \ | 66 | asm(op "w %1,"__percpu_arg(0) \ |
67 | : "+m" (var) \ | 67 | : "+m" (var) \ |
68 | : "ri" ((T__)val)); \ | 68 | : "ri" ((T__)val)); \ |
69 | break; \ | 69 | break; \ |
70 | case 4: \ | 70 | case 4: \ |
71 | asm(op "l %1,"__percpu_seg_str"%0" \ | 71 | asm(op "l %1,"__percpu_arg(0) \ |
72 | : "+m" (var) \ | 72 | : "+m" (var) \ |
73 | : "ri" ((T__)val)); \ | 73 | : "ri" ((T__)val)); \ |
74 | break; \ | 74 | break; \ |
75 | case 8: \ | 75 | case 8: \ |
76 | asm(op "q %1,"__percpu_seg_str"%0" \ | 76 | asm(op "q %1,"__percpu_arg(0) \ |
77 | : "+m" (var) \ | 77 | : "+m" (var) \ |
78 | : "r" ((T__)val)); \ | 78 | : "r" ((T__)val)); \ |
79 | break; \ | 79 | break; \ |
@@ -86,22 +86,22 @@ do { \ | |||
86 | typeof(var) ret__; \ | 86 | typeof(var) ret__; \ |
87 | switch (sizeof(var)) { \ | 87 | switch (sizeof(var)) { \ |
88 | case 1: \ | 88 | case 1: \ |
89 | asm(op "b "__percpu_seg_str"%1,%0" \ | 89 | asm(op "b "__percpu_arg(1)",%0" \ |
90 | : "=r" (ret__) \ | 90 | : "=r" (ret__) \ |
91 | : "m" (var)); \ | 91 | : "m" (var)); \ |
92 | break; \ | 92 | break; \ |
93 | case 2: \ | 93 | case 2: \ |
94 | asm(op "w "__percpu_seg_str"%1,%0" \ | 94 | asm(op "w "__percpu_arg(1)",%0" \ |
95 | : "=r" (ret__) \ | 95 | : "=r" (ret__) \ |
96 | : "m" (var)); \ | 96 | : "m" (var)); \ |
97 | break; \ | 97 | break; \ |
98 | case 4: \ | 98 | case 4: \ |
99 | asm(op "l "__percpu_seg_str"%1,%0" \ | 99 | asm(op "l "__percpu_arg(1)",%0" \ |
100 | : "=r" (ret__) \ | 100 | : "=r" (ret__) \ |
101 | : "m" (var)); \ | 101 | : "m" (var)); \ |
102 | break; \ | 102 | break; \ |
103 | case 8: \ | 103 | case 8: \ |
104 | asm(op "q "__percpu_seg_str"%1,%0" \ | 104 | asm(op "q "__percpu_arg(1)",%0" \ |
105 | : "=r" (ret__) \ | 105 | : "=r" (ret__) \ |
106 | : "m" (var)); \ | 106 | : "m" (var)); \ |
107 | break; \ | 107 | break; \ |
@@ -122,9 +122,9 @@ do { \ | |||
122 | #define x86_test_and_clear_bit_percpu(bit, var) \ | 122 | #define x86_test_and_clear_bit_percpu(bit, var) \ |
123 | ({ \ | 123 | ({ \ |
124 | int old__; \ | 124 | int old__; \ |
125 | asm volatile("btr %1,"__percpu_seg_str"%c2\n\tsbbl %0,%0" \ | 125 | asm volatile("btr %2,"__percpu_arg(1)"\n\tsbbl %0,%0" \ |
126 | : "=r" (old__) \ | 126 | : "=r" (old__), "+m" (per_cpu__##var) \ |
127 | : "dIr" (bit), "i" (&per_cpu__##var) : "memory"); \ | 127 | : "dIr" (bit)); \ |
128 | old__; \ | 128 | old__; \ |
129 | }) | 129 | }) |
130 | 130 | ||
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index 4399aac680e9..d1dc27dba36d 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h | |||
@@ -94,7 +94,7 @@ do { \ | |||
94 | "call __switch_to\n\t" \ | 94 | "call __switch_to\n\t" \ |
95 | ".globl thread_return\n" \ | 95 | ".globl thread_return\n" \ |
96 | "thread_return:\n\t" \ | 96 | "thread_return:\n\t" \ |
97 | "movq "__percpu_seg_str"%P[current_task],%%rsi\n\t" \ | 97 | "movq "__percpu_arg([current_task])",%%rsi\n\t" \ |
98 | "movq %P[thread_info](%%rsi),%%r8\n\t" \ | 98 | "movq %P[thread_info](%%rsi),%%r8\n\t" \ |
99 | LOCK_PREFIX "btr %[tif_fork],%P[ti_flags](%%r8)\n\t" \ | 99 | LOCK_PREFIX "btr %[tif_fork],%P[ti_flags](%%r8)\n\t" \ |
100 | "movq %%rax,%%rdi\n\t" \ | 100 | "movq %%rax,%%rdi\n\t" \ |