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| author | Glauber Costa | 2008-06-25 16:08:51 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-07-09 09:14:19 +0200 |
| commit | 002ca1690c3d0a495e6aedd608281aeb01ce6385 (patch) | |
| tree | b44eacf9cb730b3a3f47e0f3848fac43f68af97e /include/asm-x86/uaccess.h | |
| parent | x86: merge getuser. (diff) | |
| download | kernel-qcow2-linux-002ca1690c3d0a495e6aedd608281aeb01ce6385.tar.gz kernel-qcow2-linux-002ca1690c3d0a495e6aedd608281aeb01ce6385.tar.xz kernel-qcow2-linux-002ca1690c3d0a495e6aedd608281aeb01ce6385.zip | |
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>
Diffstat (limited to 'include/asm-x86/uaccess.h')
| -rw-r--r-- | include/asm-x86/uaccess.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h index 8cb580c0b411..8a1e45fdc980 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. |