linux-kernel - [PATCH 27/39] move __addr

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Date:	Fri, 27 Jun 2008 18:34:34 -0300
From:	Glauber Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	tglx@...utronix.de, mingo@...e.hu, x86@...nel.org
Subject: [PATCH 27/39] move __addr_ok to uaccess.h

Take it out of uaccess_32.h. Since it seems that no users
of the x86_64 exists, we simply pick the i386 version.

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 include/asm-x86/uaccess.h    |    4 ++++
 include/asm-x86/uaccess_32.h |    4 ----
 include/asm-x86/uaccess_64.h |    3 ---
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h
index a06a810..3721513 100644
--- a/include/asm-x86/uaccess.h
+++ b/include/asm-x86/uaccess.h
@@ -33,6 +33,10 @@
 
 #define segment_eq(a, b)	((a).seg == (b).seg)
 
+#define __addr_ok(addr)					\
+	((unsigned long __force)(addr) <		\
+	 (current_thread_info()->addr_limit.seg))
+
 /*
  * Test whether a block of memory is a valid user space address.
  * Returns 0 if the range is valid, nonzero otherwise.
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h
index 3cc3236..87b1aed 100644
--- a/include/asm-x86/uaccess_32.h
+++ b/include/asm-x86/uaccess_32.h
@@ -20,10 +20,6 @@ extern struct movsl_mask {
 } ____cacheline_aligned_in_smp movsl_mask;
 #endif
 
-#define __addr_ok(addr)					\
-	((unsigned long __force)(addr) <		\
-	 (current_thread_info()->addr_limit.seg))
-
 extern void __put_user_bad(void);
 
 /*
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 4a44b90..8130876 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -9,9 +9,6 @@
 #include <linux/prefetch.h>
 #include <asm/page.h>
 
-#define __addr_ok(addr) (!((unsigned long)(addr) &			\
-			   (current_thread_info()->addr_limit.seg)))
-
 #define ARCH_HAS_SEARCH_EXTABLE
 
 extern void __put_user_1(void);
-- 
1.5.5.1

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