diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/base/topology.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/base/topology.c b/drivers/base/topology.c index fdf4044d2e74..1efe162e16d7 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c | |||
@@ -40,6 +40,7 @@ static ssize_t show_##name(struct sys_device *dev, char *buf) \ | |||
40 | return sprintf(buf, "%d\n", topology_##name(cpu)); \ | 40 | return sprintf(buf, "%d\n", topology_##name(cpu)); \ |
41 | } | 41 | } |
42 | 42 | ||
43 | #if defined(topology_thread_siblings) || defined(topology_core_siblings) | ||
43 | static ssize_t show_cpumap(int type, cpumask_t *mask, char *buf) | 44 | static ssize_t show_cpumap(int type, cpumask_t *mask, char *buf) |
44 | { | 45 | { |
45 | ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf; | 46 | ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf; |
@@ -54,21 +55,41 @@ static ssize_t show_cpumap(int type, cpumask_t *mask, char *buf) | |||
54 | } | 55 | } |
55 | return n; | 56 | return n; |
56 | } | 57 | } |
58 | #endif | ||
57 | 59 | ||
60 | #ifdef arch_provides_topology_pointers | ||
58 | #define define_siblings_show_map(name) \ | 61 | #define define_siblings_show_map(name) \ |
59 | static inline ssize_t show_##name(struct sys_device *dev, char *buf) \ | 62 | static ssize_t show_##name(struct sys_device *dev, char *buf) \ |
60 | { \ | 63 | { \ |
61 | unsigned int cpu = dev->id; \ | 64 | unsigned int cpu = dev->id; \ |
62 | return show_cpumap(0, &(topology_##name(cpu)), buf); \ | 65 | return show_cpumap(0, &(topology_##name(cpu)), buf); \ |
63 | } | 66 | } |
64 | 67 | ||
65 | #define define_siblings_show_list(name) \ | 68 | #define define_siblings_show_list(name) \ |
66 | static inline ssize_t show_##name##_list(struct sys_device *dev, char *buf) \ | 69 | static ssize_t show_##name##_list(struct sys_device *dev, char *buf) \ |
67 | { \ | 70 | { \ |
68 | unsigned int cpu = dev->id; \ | 71 | unsigned int cpu = dev->id; \ |
69 | return show_cpumap(1, &(topology_##name(cpu)), buf); \ | 72 | return show_cpumap(1, &(topology_##name(cpu)), buf); \ |
70 | } | 73 | } |
71 | 74 | ||
75 | #else | ||
76 | #define define_siblings_show_map(name) \ | ||
77 | static ssize_t show_##name(struct sys_device *dev, char *buf) \ | ||
78 | { \ | ||
79 | unsigned int cpu = dev->id; \ | ||
80 | cpumask_t mask = topology_##name(cpu); \ | ||
81 | return show_cpumap(0, &mask, buf); \ | ||
82 | } | ||
83 | |||
84 | #define define_siblings_show_list(name) \ | ||
85 | static ssize_t show_##name##_list(struct sys_device *dev, char *buf) \ | ||
86 | { \ | ||
87 | unsigned int cpu = dev->id; \ | ||
88 | cpumask_t mask = topology_##name(cpu); \ | ||
89 | return show_cpumap(1, &mask, buf); \ | ||
90 | } | ||
91 | #endif | ||
92 | |||
72 | #define define_siblings_show_func(name) \ | 93 | #define define_siblings_show_func(name) \ |
73 | define_siblings_show_map(name); define_siblings_show_list(name) | 94 | define_siblings_show_map(name); define_siblings_show_list(name) |
74 | 95 | ||