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arm64: Remove orphaned __addr_ok() definition

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Since commit 12a0ef7b0a ("arm64: use generic strnlen_user and
strncpy_from_user functions"), the definition of __addr_ok() has been
languishing unused; eradicate the sucker.

CC: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Robin Murphy 2016-05-24 18:55:40 +01:00 committed by Will Deacon
parent ab2e1b8923
commit db413b51c0
1 changed files with 0 additions and 13 deletions
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13
arch/arm64/include/asm/uaccess.h
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@ -80,19 +80,6 @@ static inline void set_fs(mm_segment_t fs)
#define segment_eq(a, b) ((a) == (b))
/*
* Return 1 if addr < current->addr_limit, 0 otherwise.
*/
#define __addr_ok(addr) \
({ \
unsigned long flag; \
asm("cmp %1, %0; cset %0, lo" \
: "=&r" (flag) \
: "r" (addr), "0" (current_thread_info()->addr_limit) \
: "cc"); \
flag; \
})
/*
* Test whether a block of memory is a valid user space address.
* Returns 1 if the range is valid, 0 otherwise.