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bitops: Revert cbe9637502 ("bitops: Add clear/set_bit32() to linux/bitops.h")

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These ops are not endian safe and may break on architectures which have
aligment requirements.

Reverts: cbe9637502 ("bitops: Add clear/set_bit32() to linux/bitops.h")
Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@linux.intel.com>
This commit is contained in:
Thomas Gleixner
2017-11-02 13:30:03 +01:00
parent 06dd688ddd
commit 1943dc07b4
1 changed files with 0 additions and 26 deletions
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26
include/linux/bitops.h
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@@ -227,32 +227,6 @@ static inline unsigned long __ffs64(u64 word)
return __ffs((unsigned long)word);
}
/*
* clear_bit32 - Clear a bit in memory for u32 array
* @nr: Bit to clear
* @addr: u32 * address of bitmap
*
* Same as clear_bit, but avoids needing casts for u32 arrays.
*/
static __always_inline void clear_bit32(long nr, volatile u32 *addr)
{
clear_bit(nr, (volatile unsigned long *)addr);
}
/*
* set_bit32 - Set a bit in memory for u32 array
* @nr: Bit to clear
* @addr: u32 * address of bitmap
*
* Same as set_bit, but avoids needing casts for u32 arrays.
*/
static __always_inline void set_bit32(long nr, volatile u32 *addr)
{
set_bit(nr, (volatile unsigned long *)addr);
}
#ifdef __KERNEL__
#ifndef set_mask_bits