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authorIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
committerIngo Molnar <mingo@kernel.org>2013-01-24 12:47:48 +0100
commitbefddb21c845f8fb49e637997891ef97c6a869dc (patch)
tree0e7629123184f2dd50291ad6d477b894175f0f26 /include/linux/compiler.h
parente716efde75267eab919cdb2bef5b2cb77f305326 (diff)
parent7d1f9aeff1ee4a20b1aeb377dd0f579fe9647619 (diff)
Merge tag 'v3.8-rc4' into irq/core
Merge Linux 3.8-rc4 before pulling in new commits - we were on an old v3.7 base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/compiler.h')
-rw-r--r--include/linux/compiler.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index f430e4162f4..dd852b73b28 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -10,6 +10,7 @@
# define __force __attribute__((force))
# define __nocast __attribute__((nocast))
# define __iomem __attribute__((noderef, address_space(2)))
+# define __must_hold(x) __attribute__((context(x,1,1)))
# define __acquires(x) __attribute__((context(x,0,1)))
# define __releases(x) __attribute__((context(x,1,0)))
# define __acquire(x) __context__(x,1)
@@ -33,6 +34,7 @@ extern void __chk_io_ptr(const volatile void __iomem *);
# define __chk_user_ptr(x) (void)0
# define __chk_io_ptr(x) (void)0
# define __builtin_warning(x, y...) (1)
+# define __must_hold(x)
# define __acquires(x)
# define __releases(x)
# define __acquire(x) (void)0
@@ -42,6 +44,10 @@ extern void __chk_io_ptr(const volatile void __iomem *);
# define __rcu
#endif
+/* Indirect macros required for expanded argument pasting, eg. __LINE__. */
+#define ___PASTE(a,b) a##b
+#define __PASTE(a,b) ___PASTE(a,b)
+
#ifdef __KERNEL__
#ifdef __GNUC__
@@ -164,6 +170,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
(typeof(ptr)) (__ptr + (off)); })
#endif
+/* Not-quite-unique ID. */
+#ifndef __UNIQUE_ID
+# define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __LINE__)
+#endif
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */