On Fri, Apr 17, 2015 at 4:29 PM, Greg Kroah-Hartman
<[email protected]> wrote:
> 3.10-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Alex Elder <[email protected]>
>
> commit 89a0714106aac7309c7dfa0f004b39e1e89d2942 upstream.
>
> Create constants that define the maximum and minimum values
> representable by the kernel types u8, s8, u16, s16, and so on.
Now compilation prints a lot of wanings about redefined macro inside
reiserfs and ceph.
Please pick also:
2f874deba7476a1e579af9028baa2f9dfdefedd1
("conditionally define U32_MAX")
04f9b74e4d96d349de12fdd4e6626af4a9f75e09
("remove extra definitions of U32_MAX")
without first second patch doesn't applies clearly
>
> Signed-off-by: Alex Elder <[email protected]>
> Cc: Sage Weil <[email protected]>
> Cc: David Miller <[email protected]>
> Signed-off-by: Andrew Morton <[email protected]>
> Signed-off-by: Linus Torvalds <[email protected]>
> Signed-off-by: Greg Kroah-Hartman <[email protected]>
>
> ---
> include/linux/kernel.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> --- a/include/linux/kernel.h
> +++ b/include/linux/kernel.h
> @@ -29,6 +29,19 @@
> #define ULLONG_MAX (~0ULL)
> #define SIZE_MAX (~(size_t)0)
>
> +#define U8_MAX ((u8)~0U)
> +#define S8_MAX ((s8)(U8_MAX>>1))
> +#define S8_MIN ((s8)(-S8_MAX - 1))
> +#define U16_MAX ((u16)~0U)
> +#define S16_MAX ((s16)(U16_MAX>>1))
> +#define S16_MIN ((s16)(-S16_MAX - 1))
> +#define U32_MAX ((u32)~0U)
> +#define S32_MAX ((s32)(U32_MAX>>1))
> +#define S32_MIN ((s32)(-S32_MAX - 1))
> +#define U64_MAX ((u64)~0ULL)
> +#define S64_MAX ((s64)(U64_MAX>>1))
> +#define S64_MIN ((s64)(-S64_MAX - 1))
> +
> #define STACK_MAGIC 0xdeadbeef
>
> #define REPEAT_BYTE(x) ((~0ul / 0xff) * (x))
>
>
> --
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