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    Subject[PATCH 5.15 059/128] uapi: Fix undefined __always_inline on non-glibc systems
    Date
    From: Ismael Luceno <ismael@iodev.co.uk>

    [ Upstream commit cb8747b7d2a9e3d687a19a007575071d4b71cd05 ]

    This macro is defined by glibc itself, which makes the issue go unnoticed on
    those systems. On non-glibc systems it causes build failures on several
    utilities and libraries, like bpftool and objtool.

    Fixes: 1d509f2a6ebc ("x86/insn: Support big endian cross-compiles")
    Fixes: 2d7ce0e8a704 ("tools/virtio: more stubs")
    Fixes: 3fb321fde22d ("selftests/net: ipv6 flowlabel")
    Fixes: 50b3ed57dee9 ("selftests/bpf: test bpf flow dissection")
    Fixes: 9cacf81f8161 ("bpf: Remove extra lock_sock for TCP_ZEROCOPY_RECEIVE")
    Fixes: a4b2061242ec ("tools include uapi: Grab a copy of linux/in.h")
    Fixes: b12d6ec09730 ("bpf: btf: add btf print functionality")
    Fixes: c0dd967818a2 ("tools, include: Grab a copy of linux/erspan.h")
    Fixes: c4b6014e8bb0 ("tools: Add copy of perf_event.h to tools/include/linux/")

    Signed-off-by: Ismael Luceno <ismael@iodev.co.uk>
    Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
    Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
    Link: https://lore.kernel.org/r/20211115134647.1921-1-ismael@iodev.co.uk
    Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
    Cc: Vasily Gorbik <gor@linux.ibm.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    include/uapi/linux/byteorder/big_endian.h | 1 +
    include/uapi/linux/byteorder/little_endian.h | 1 +
    2 files changed, 2 insertions(+)

    diff --git a/include/uapi/linux/byteorder/big_endian.h b/include/uapi/linux/byteorder/big_endian.h
    index 2199adc6a6c20..80aa5c41a7636 100644
    --- a/include/uapi/linux/byteorder/big_endian.h
    +++ b/include/uapi/linux/byteorder/big_endian.h
    @@ -9,6 +9,7 @@
    #define __BIG_ENDIAN_BITFIELD
    #endif

    +#include <linux/stddef.h>
    #include <linux/types.h>
    #include <linux/swab.h>

    diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h
    index 601c904fd5cd9..cd98982e7523e 100644
    --- a/include/uapi/linux/byteorder/little_endian.h
    +++ b/include/uapi/linux/byteorder/little_endian.h
    @@ -9,6 +9,7 @@
    #define __LITTLE_ENDIAN_BITFIELD
    #endif

    +#include <linux/stddef.h>
    #include <linux/types.h>
    #include <linux/swab.h>

    --
    2.34.1


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