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Diffstat (limited to 'include/linux/cpumask.h')
-rw-r--r--include/linux/cpumask.h25
1 files changed, 22 insertions, 3 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 7047f58306a7..259c8051155d 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -222,8 +222,13 @@ int __next_cpu(int n, const cpumask_t *srcp);
#define next_cpu(n, src) ({ (void)(src); 1; })
#endif
+#ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
+extern cpumask_t *cpumask_of_cpu_map;
+#define cpumask_of_cpu(cpu) (cpumask_of_cpu_map[cpu])
+
+#else
#define cpumask_of_cpu(cpu) \
-({ \
+(*({ \
typeof(_unused_cpumask_arg_) m; \
if (sizeof(m) == sizeof(unsigned long)) { \
m.bits[0] = 1UL<<(cpu); \
@@ -231,8 +236,9 @@ int __next_cpu(int n, const cpumask_t *srcp);
cpus_clear(m); \
cpu_set((cpu), m); \
} \
- m; \
-})
+ &m; \
+}))
+#endif
#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
@@ -243,6 +249,8 @@ int __next_cpu(int n, const cpumask_t *srcp);
[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
} }
+#define CPU_MASK_ALL_PTR (&CPU_MASK_ALL)
+
#else
#define CPU_MASK_ALL \
@@ -251,6 +259,10 @@ int __next_cpu(int n, const cpumask_t *srcp);
[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
} }
+/* cpu_mask_all is in init/main.c */
+extern cpumask_t cpu_mask_all;
+#define CPU_MASK_ALL_PTR (&cpu_mask_all)
+
#endif
#define CPU_MASK_NONE \
@@ -273,6 +285,13 @@ static inline int __cpumask_scnprintf(char *buf, int len,
return bitmap_scnprintf(buf, len, srcp->bits, nbits);
}
+#define cpumask_scnprintf_len(len) \
+ __cpumask_scnprintf_len((len))
+static inline int __cpumask_scnprintf_len(int len)
+{
+ return bitmap_scnprintf_len(len);
+}
+
#define cpumask_parse_user(ubuf, ulen, dst) \
__cpumask_parse_user((ubuf), (ulen), &(dst), NR_CPUS)
static inline int __cpumask_parse_user(const char __user *buf, int len,