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| author | Borislav Petkov <bp@suse.de> | 2019-02-25 20:08:27 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-02-25 23:13:05 +0100 |
| commit | 2e7614c0736de93c8796bb2d58debb8871a59db8 (patch) | |
| tree | ce4b0b0fb1ffeff934a0fda26f25fd66703f804d /arch/x86 | |
| parent | f91fecc09e498529230b4d5053cb361619a0c42d (diff) | |
| download | lwn-2e7614c0736de93c8796bb2d58debb8871a59db8.tar.gz lwn-2e7614c0736de93c8796bb2d58debb8871a59db8.zip | |
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 <bp@suse.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: the arch/x86 maintainers <x86@kernel.org>
Cc: "Tobin C. Harding" <tobin@kernel.org>
Link: https://lkml.kernel.org/r/20190225191109.7671-1-bp@alien8.de
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 3 |
1 files changed, 0 insertions, 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. |