Author: attilio
Date: Mon Jul 4 12:18:12 2011
New Revision: 223759
URL: http://svn.freebsd.org/changeset/base/223759
Log:
- Remove the now unused CPU_NAND_ATOMIC()
- Add a comment explaining that CPU_OR_ATOMIC() and
CPU_COPY_STORE_REL() are special wrappers used to cater particular
cases.
Modified:
head/sys/sys/cpuset.h
Modified: head/sys/sys/cpuset.h
==============================================================================
--- head/sys/sys/cpuset.h Mon Jul 4 12:04:52 2011 (r223758)
+++ head/sys/sys/cpuset.h Mon Jul 4 12:18:12 2011 (r223759)
@@ -131,6 +131,7 @@
#define CPU_SET_ATOMIC(n, p)
\
atomic_set_long(&(p)->__bits[(n)/_NCPUBITS], __cpuset_mask(n))
+/* Convenience functions catering special cases. */
#define CPU_OR_ATOMIC(d, s) do { \
__size_t __i; \
for (__i = 0; __i < _NCPUWORDS; __i++) \
@@ -138,13 +139,6 @@
(s)->__bits[__i]); \
} while (0)
-#define CPU_NAND_ATOMIC(d, s) do { \
- __size_t __i; \
- for (__i = 0; __i < _NCPUWORDS; __i++) \
- atomic_clear_long(&(d)->__bits[__i], \
- (s)->__bits[__i]); \
-} while (0)
-
#define CPU_COPY_STORE_REL(f, t) do { \
__size_t __i; \
for (__i = 0; __i < _NCPUWORDS; __i++) \
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