netdev - Re: [PATCH 02/34] selftests: bpf: Fix incorrect kernel headers search path

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Message-ID: <CAADnVQ+1hB-1B_-2LrYC3XvMiEyA2yZv9fz51dDrMABG3dsQ_g@mail.gmail.com>
Date:   Mon, 30 Jan 2023 08:26:37 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Shuah Khan <shuah@...nel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        LKML <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>
Subject: Re: [PATCH 02/34] selftests: bpf: Fix incorrect kernel headers search path

On Mon, Jan 30, 2023 at 8:12 AM Shuah Khan <skhan@...uxfoundation.org> wrote:
>
> On 1/27/23 06:57, Mathieu Desnoyers wrote:
> > Use $(KHDR_INCLUDES) as lookup path for kernel headers. This prevents
> > building against kernel headers from the build environment in scenarios
> > where kernel headers are installed into a specific output directory
> > (O=...).
> >
> > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> > Cc: Shuah Khan <shuah@...nel.org>
> > Cc: linux-kselftest@...r.kernel.org
> > Cc: Ingo Molnar <mingo@...hat.com>
> > Cc: <stable@...r.kernel.org>    [5.18+]
> > ---
> >   tools/testing/selftests/bpf/Makefile | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
> > index c22c43bbee19..6998c816afef 100644
> > --- a/tools/testing/selftests/bpf/Makefile
> > +++ b/tools/testing/selftests/bpf/Makefile
> > @@ -327,7 +327,7 @@ endif
> >   CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
> >   BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN)               \
> >            -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR)                   \
> > -          -I$(abspath $(OUTPUT)/../usr/include)
> > +          $(KHDR_INCLUDES)
> >
> >   CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
> >              -Wno-compare-distinct-pointer-types
>
>
>
> Adding bpf maintainers - bpf patches usually go through bpf tree.
>
> Acked-by: Shuah Khan <skhan@...uxfoundation.org>

Please resubmit as separate patch with [PATCH bpf-next] subj
and cc bpf@...r, so that BPF CI can test it on various architectures
and config combinations.