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    SubjectRe: [PATCH, RFC] byteorder: sanity check toolchain vs kernel endianess
    Date
    On Fri, 12 Apr 2019, Christoph Hellwig wrote:

    > diff --git a/include/uapi/linux/byteorder/big_endian.h b/include/uapi/linux/byteorder/big_endian.h
    > index 2199adc6a6c2..34a5864526d2 100644
    > --- a/include/uapi/linux/byteorder/big_endian.h
    > +++ b/include/uapi/linux/byteorder/big_endian.h
    > @@ -2,6 +2,10 @@
    > #ifndef _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H
    > #define _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H
    >
    > +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__
    > +#error "Unsupported endianess, check your toolchain"

    Typo here: s/endianess/endianness/.

    > diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h
    > index 601c904fd5cd..0cdf3583e19f 100644
    > --- a/include/uapi/linux/byteorder/little_endian.h
    > +++ b/include/uapi/linux/byteorder/little_endian.h
    > @@ -2,6 +2,10 @@
    > #ifndef _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H
    > #define _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H
    >
    > +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
    > +#error "Unsupported endianess, check your toolchain"

    Likewise.

    Maciej
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