[PATCH] x86/uaccess: Remove unused __addr_ok() macro

From: Borislav Petkov
Date: Mon Feb 25 2019 - 14:11:22 EST


From: Borislav Petkov <bp@xxxxxxx>

This was caught while staring at the whole {set,get}_fs() machinery.

No functional changes.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Jann Horn <jannh@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: the arch/x86 maintainers <x86@xxxxxxxxxx>
Cc: "Tobin C. Harding" <tobin@xxxxxxxxxx>
---
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 780f2b42c8ef..e2ffedd51fd8 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.
--
2.21.0