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authorDavid S. Miller <davem@davemloft.net>2009-06-15 06:02:23 -0400
committerDavid S. Miller <davem@davemloft.net>2009-06-15 06:02:23 -0400
commit9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb (patch)
tree8d104ec2a459346b99413b0b77421ca7b9936c1a /include/linux/compiler.h
parentca44d6e60f9de26281fda203f58b570e1748c015 (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
Diffstat (limited to 'include/linux/compiler.h')
-rw-r--r--include/linux/compiler.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 37bcb50a4d7c..04fb5135b4e1 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -261,6 +261,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
261# define __section(S) __attribute__ ((__section__(#S))) 261# define __section(S) __attribute__ ((__section__(#S)))
262#endif 262#endif
263 263
264/* Are two types/vars the same type (ignoring qualifiers)? */
265#ifndef __same_type
266# define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
267#endif
268
264/* 269/*
265 * Prevent the compiler from merging or refetching accesses. The compiler 270 * Prevent the compiler from merging or refetching accesses. The compiler
266 * is also forbidden from reordering successive instances of ACCESS_ONCE(), 271 * is also forbidden from reordering successive instances of ACCESS_ONCE(),