Commit-ID: 2e7614c0736de93c8796bb2d58debb8871a59db8
Gitweb: https://git.kernel.org/tip/2e7614c0736de93c8796bb2d58debb8871a59db8
Author: Borislav Petkov <[email protected]>
AuthorDate: Mon, 25 Feb 2019 20:08:27 +0100
Committer: Borislav Petkov <[email protected]>
CommitDate: Mon, 25 Feb 2019 23:13:05 +0100
x86/uaccess: Remove unused __addr_ok() macro
This was caught while staring at the whole {set,get}_fs() machinery.
It's last user, the 32-bit version of strnlen_user() went away with
5723aa993d83 ("x86: use the new generic strnlen_user() function")
so drop it.
No functional changes.
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Linus Torvalds <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: the arch/x86 maintainers <[email protected]>
Cc: "Tobin C. Harding" <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
arch/x86/include/asm/uaccess.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index a77445d1b034..ec8d36f04786 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -35,10 +35,7 @@ static inline void set_fs(mm_segment_t fs)
}
#define segment_eq(a, b) ((a).seg == (b).seg)
-
#define user_addr_max() (current->thread.addr_limit.seg)
-#define __addr_ok(addr) \
- ((unsigned long __force)(addr) < user_addr_max())
/*
* Test whether a block of memory is a valid user space address.