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Date: Mon, 20 Apr 2015 12:43:30 +0300 From: Konstantin Khlebnikov <koct9i@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Stable <stable@...r.kernel.org>, Alex Elder <elder@...aro.org>, Sage Weil <sage@...tank.com>, David Miller <davem@...emloft.net>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH 3.10 31/34] kernel.h: define u8, s8, u32, etc. limits On Fri, Apr 17, 2015 at 4:29 PM, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote: > 3.10-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Alex Elder <alex.elder@...aro.org> > > 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 <elder@...aro.org> > Cc: Sage Weil <sage@...tank.com> > Cc: David Miller <davem@...emloft.net> > Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> > Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> > > --- > 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)) > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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