On Tue 28 Jul, 2015 20:24 Kevin Wilson <wkev...@gmail.com> wrote:
> Hi all, > Is there a kernel API for handling 32 bits ? > I see a macro like BIT(nr) > http://lxr.free-electrons.com/source/include/linux/bitops.h#L6 > > #define BIT(nr) (1UL << (nr)) > > and also > #define BIT_ULL(nr) (1ULL << (nr)) > > However, these macros are using 64 bit semantics, so if I will use > them with 32 bits values > the results will be wrong. > > Any ideas ? > > Regards, > Kevin > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > The macros don't do type checking so it will work for both 32-bit and 64-bit.
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