This deprecates cpumask_of_cpu(), which returns a cpumask_t
(cpumask_of() returns a const pointer, instead).

From: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
Signed-off-by: Mike Travis <[EMAIL PROTECTED]>
---
 include/linux/cpumask.h |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

--- linux-2.6.28.orig/include/linux/cpumask.h
+++ linux-2.6.28/include/linux/cpumask.h
@@ -52,8 +52,7 @@
  * void cpumask_copy(dmask, smask)     dmask = smask
  *
  * size_t cpumask_size()               Length of cpumask in bytes.
- * cpumask_t cpumask_of_cpu(cpu)       Return cpumask with bit 'cpu' set
- *                                     (can be used as an lvalue)
+ * const struct cpumask *cpumask_of(cpu) Return cpumask with bit 'cpu' set
  * CPU_MASK_ALL                                Initializer - all bits set
  * CPU_MASK_NONE                       Initializer - no bits set
  * unsigned long *cpumask_bits(mask)   Array of unsigned long's in mask
@@ -176,6 +175,7 @@ extern cpumask_t _unused_cpumask_arg_;
 #define next_cpu_nr(n, src)            next_cpu(n, src)
 #define cpus_weight_nr(cpumask)                cpus_weight(cpumask)
 #define for_each_cpu_mask_nr(cpu, mask)        for_each_cpu_mask(cpu, mask)
+#define cpumask_of_cpu(cpu) (*cpumask_of(cpu))
 /* End deprecated region. */
 
 #if NR_CPUS <= BITS_PER_LONG
@@ -382,21 +382,13 @@ static inline void cpumask_copy(struct c
 extern const unsigned long
        cpu_bit_bitmap[BITS_PER_LONG+1][BITS_TO_LONGS(NR_CPUS)];
 
-static inline const cpumask_t *get_cpu_mask(unsigned int cpu)
+static inline const struct cpumask *cpumask_of(unsigned int cpu)
 {
        const unsigned long *p = cpu_bit_bitmap[1 + cpu % BITS_PER_LONG];
        p -= cpu / BITS_PER_LONG;
-       return (const cpumask_t *)p;
+       return (const struct cpumask *)p;
 }
 
-/*
- * In cases where we take the address of the cpumask immediately,
- * gcc optimizes it out (it's a constant) and there's no huge stack
- * variable created:
- */
-#define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu))
-
-
 #define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
 
 #if NR_CPUS <= BITS_PER_LONG

-- 
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev

Reply via email to