Commit-ID: 2e7614c0736de93c8796bb2d58debb8871a59db8
Gitweb: https://git.kernel.org/tip/2e7614c0736de93c8796bb2d58debb8871a59db8
Author: Borislav Petkov <b...@suse.de>
AuthorDate: Mon, 25 Feb 2019 20:08:27 +0100
Committer: Borislav Petkov <b...@suse.de>
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 <b...@suse.de>
Acked-by: Linus Torvalds <torva...@linux-foundation.org>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Jann Horn <ja...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: the arch/x86 maintainers <x...@kernel.org>
Cc: "Tobin C. Harding" <to...@kernel.org>
Link: https://lkml.kernel.org/r/20190225191109.7671-1...@alien8.de
---
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.
