linux-kernel - [PATCH v3] bitops kernel-doc: inline instead of macro

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Date:	Thu, 25 Oct 2007 14:21:49 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	tglx@...utronix.de, nickpiggin@...oo.com.au, mingo@...hat.com,
	hpa@...or.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, Andy Whitcroft <apw@...dowen.org>
Subject: [PATCH v3] bitops kernel-doc: inline instead of macro

> We might as well clean stuff up as we're churning the code.
> 
> 
> Andy, I thought we were going to whine about __inline__ and __inline, too?

Thomas, can you replace the previous patch with this one?

Usage of __inline__ is fixed in the next patch (after this one).

---

From: Randy Dunlap <randy.dunlap@...cle.com>

Use duplicated inline functions for test_and_set_bit_lock() on x86
instead of #define macros, thus avoiding a bad example.  This allows
kernel-doc to run cleanly instead of terminating with an error:

Error(linux-2.6.24-rc1//include/asm-x86/bitops_32.h:188): cannot understand prototype: 'test_and_set_bit_lock test_and_set_bit '

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 include/asm-x86/bitops_32.h |    7 +++++--
 include/asm-x86/bitops_64.h |    7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

--- linux-2.6.24-rc1.orig/include/asm-x86/bitops_32.h
+++ linux-2.6.24-rc1/include/asm-x86/bitops_32.h
@@ -183,9 +183,12 @@ static inline int test_and_set_bit(int n
  * @nr: Bit to set
  * @addr: Address to count from
  *
- * This is the same as test_and_set_bit on x86
+ * This is the same as test_and_set_bit on x86.
  */
-#define test_and_set_bit_lock test_and_set_bit
+static inline int test_and_set_bit_lock(int nr, volatile unsigned long *addr)
+{
+	return test_and_set_bit(nr, addr);
+}
 
 /**
  * __test_and_set_bit - Set a bit and return its old value
--- linux-2.6.24-rc1.orig/include/asm-x86/bitops_64.h
+++ linux-2.6.24-rc1/include/asm-x86/bitops_64.h
@@ -173,9 +173,12 @@ static __inline__ int test_and_set_bit(i
  * @nr: Bit to set
  * @addr: Address to count from
  *
- * This is the same as test_and_set_bit on x86
+ * This is the same as test_and_set_bit on x86.
  */
-#define test_and_set_bit_lock test_and_set_bit
+static __inline__ int test_and_set_bit_lock(int nr, volatile void *addr)
+{
+	return test_and_set_bit(nr, addr);
+}
 
 /**
  * __test_and_set_bit - Set a bit and return its old value
-
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