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x86: 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@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa 2008-06-25 11:08:51 -03:00 committed by Ingo Molnar
parent 865e5b7650
commit 002ca1690c
3 changed files with 4 additions and 7 deletions
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4
include/asm-x86/uaccess.h
View File

@ -33,6 +33,10 @@
#define segment_eq(a, b) ((a).seg == (b).seg) #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. * Test whether a block of memory is a valid user space address.
* Returns 0 if the range is valid, nonzero otherwise. * Returns 0 if the range is valid, nonzero otherwise.

4
include/asm-x86/uaccess_32.h
View File

@ -20,10 +20,6 @@ extern struct movsl_mask {
} ____cacheline_aligned_in_smp movsl_mask; } ____cacheline_aligned_in_smp movsl_mask;
#endif #endif
#define __addr_ok(addr) \
((unsigned long __force)(addr) < \
(current_thread_info()->addr_limit.seg))
extern void __put_user_bad(void); extern void __put_user_bad(void);
/* /*

3
include/asm-x86/uaccess_64.h
View File

@ -9,9 +9,6 @@
#include <linux/prefetch.h> #include <linux/prefetch.h>
#include <asm/page.h> #include <asm/page.h>
#define __addr_ok(addr) (!((unsigned long)(addr) & \
(current_thread_info()->addr_limit.seg)))
#define ARCH_HAS_SEARCH_EXTABLE #define ARCH_HAS_SEARCH_EXTABLE
extern void __put_user_1(void); extern void __put_user_1(void);