On Thu, Nov 02, 2017 at 03:59:52PM +1100, Stephen Rothwell wrote:
> diff --cc include/linux/bitops.h
> index 15a5bcfcd0a2,9a874deee6e2..000000000000
> --- a/include/linux/bitops.h
> +++ b/include/linux/bitops.h
> @@@ -227,32 -227,30 +227,56 @@@ static inline unsigned long __ffs64(u6
> 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);
> +}
How is that not fundamentally broken for big-endian?
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