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    SubjectRe: [PATCH 31/34] selftests: iommu: Use installed kernel headers search path
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    On 1/27/23 06:57, Mathieu Desnoyers wrote:
    > Use $(KHDR_INCLUDES) as lookup path for installed kernel headers rather
    > than using kernel headers in include/uapi from the source kernel tree
    > kernel headers.
    >
    > Remove bogus ../../../../include/ from the search path, because
    > kernel source headers are not needed by those user-space selftests, and
    > it causes issues because -I paths are searched before -isystem paths,
    > and conflicts for files appearing both in kernel sources and in uapi
    > headers with incompatible semantics (e.g. types.h).
    >
    > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
    > Cc: Shuah Khan <shuah@kernel.org>
    > Cc: linux-kselftest@vger.kernel.org
    > Cc: Ingo Molnar <mingo@redhat.com>
    > ---
    > tools/testing/selftests/iommu/Makefile | 3 +--
    > 1 file changed, 1 insertion(+), 2 deletions(-)
    >
    > diff --git a/tools/testing/selftests/iommu/Makefile b/tools/testing/selftests/iommu/Makefile
    > index 7cb74d26f141..32c5fdfd0eef 100644
    > --- a/tools/testing/selftests/iommu/Makefile
    > +++ b/tools/testing/selftests/iommu/Makefile
    > @@ -1,7 +1,6 @@
    > # SPDX-License-Identifier: GPL-2.0-only
    > CFLAGS += -Wall -O2 -Wno-unused-function
    > -CFLAGS += -I../../../../include/uapi/
    > -CFLAGS += -I../../../../include/
    > +CFLAGS += $(KHDR_INCLUDES)
    >
    > CFLAGS += -D_GNU_SOURCE
    >

    Adding iommu test maintainers:

    I plan to take this through kselftest unless there are conflicts.
    In case there are conflicts and you want to take this through yours

    Acked-by: Shuah Khan <skhan@linuxfoundation.org>

    thanks,
    -- Shuah

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