Re: [PATCH v3 11/11] selftests: error out if kernel header files are not yet built

[Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>]

On 6/6/23 12:16 PM, John Hubbard wrote:
> As per a discussion with Muhammad Usama Anjum [1], the following is how
> one is supposed to build selftests:
> 
>     make headers && make -C tools/testing/selftests/mm
> 
> Change the selftest build system's lib.mk to fail out with a helpful
> message if that prerequisite "make headers" has not been done yet.
> 
> [1] https://lore.kernel.org/all/bf910fa5-0c96-3707-cce4-5bcc656b6274@xxxxxxxxxxxxx/
> 
> Cc: David Hildenbrand <david@xxxxxxxxxx>
> Cc: Peter Xu <peterx@xxxxxxxxxx>
> Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
> ---
>  tools/testing/selftests/lib.mk | 36 +++++++++++++++++++++++++++++++---
>  1 file changed, 33 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 05400462c779..b8ea03b9a015 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -44,10 +44,22 @@ endif
>  selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
>  top_srcdir = $(selfdir)/../../..
>  
> -ifeq ($(KHDR_INCLUDES),)
> -KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include
> +ifneq ($(KBUILD_OUTPUT),)
> +  # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
> +  # expand a shell special character '~'. We use a somewhat tedious way here.
> +  abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
> +  $(if $(abs_objtree),, \
> +    $(error failed to create output directory "$(KBUILD_OUTPUT)"))
> +  # $(realpath ...) resolves symlinks
> +  abs_objtree := $(realpath $(abs_objtree))
> +  KHDR_DIR := ${abs_objtree}/usr/include
> +else
> +  abs_srctree := $(shell cd $(top_srcdir) && pwd)
> +  KHDR_DIR := ${abs_srctree}/usr/include
>  endif
>  
> +KHDR_INCLUDES := -isystem $(KHDR_DIR)
> +
>  # The following are built by lib.mk common compile rules.
>  # TEST_CUSTOM_PROGS should be used by tests that require
>  # custom build rule and prevent common build rule use.
> @@ -58,7 +70,25 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
>  TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
>  TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
>  
> -all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
> +all: kernel_header_files $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) \
> +     $(TEST_GEN_FILES)
> +
> +kernel_header_files:
> +	@ls $(KHDR_DIR)/linux/*.h >/dev/null 2>/dev/null;                      \
> +	if [ $$? -ne 0 ]; then                                                 \
> +            RED='\033[1;31m';                                                  \
> +            NOCOLOR='\033[0m';                                                 \
> +            echo;                                                              \
> +            echo -e "$${RED}error$${NOCOLOR}: missing kernel header files.";   \
> +            echo "Please run this and try again:";                             \
> +            echo;                                                              \
> +            echo "    cd $(top_srcdir)";                                       \
> +            echo "    make headers";                                           \
> +            echo;                                                              \
> +	    exit 1; \
> +	fi
Thank you for adding this. This is outputting error for every selftest
directory. We should try to make it even better by just aborting the
Make-ing process the first time headers aren't detected. We can do this now
or later, fine by me.


make[1]: Entering directory
'/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/futex'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: *** [../lib.mk:77: kernel_header_files] Error 1
make[1]: Leaving directory
'/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/futex'
make[1]: Entering directory
'/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/gpio'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: *** [../lib.mk:77: kernel_header_files] Error 1
make[1]: Leaving directory
'/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/gpio'
m

Complete error log file is attached.


> +
> +.PHONY: kernel_header_files
>  
>  define RUN_TESTS
>  	BASE_DIR="$(selfdir)";			\

-- 
BR,
Muhammad Usama Anjum

make: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/alsa'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/alsa'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/amd-pstate'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/amd-pstate'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/arm64'
make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/arm64'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/breakpoints'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/breakpoints'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cachestat'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cachestat'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/capabilities'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/capabilities'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cgroup'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cgroup'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/clone3'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/clone3'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/core'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/core'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cpufreq'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cpufreq'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cpu-hotplug'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/cpu-hotplug'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/damon'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/damon'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/dma-buf'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/dma-buf'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/s390x/uvdevice'
make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/s390x/uvdevice'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/net/bonding'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/net/bonding'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/net/team'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/drivers/net/team'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/efivarfs'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/efivarfs'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/exec'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/exec'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/binderfs'
make[1]: 'binderfs_test' is up to date.
make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/binderfs'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/epoll'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/epoll'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/fat'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/filesystems/fat'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/firmware'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/firmware'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/fpu'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/fpu'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ftrace'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ftrace'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/futex'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/futex'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/gpio'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/gpio'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/hid'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/hid'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/intel_pstate'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/intel_pstate'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/iommu'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/iommu'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ipc'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ipc'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ir'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ir'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kcmp'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kcmp'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kexec'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kexec'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kvm'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/kvm'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/landlock'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/landlock'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/lib'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/lib'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/livepatch'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/livepatch'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/lkdtm'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/lkdtm'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/membarrier'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/membarrier'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/memfd'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/memfd'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/memory-hotplug'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/memory-hotplug'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mincore'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mincore'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mount'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mount'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mount_setattr'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mount_setattr'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/move_mount_set_group'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/move_mount_set_group'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mqueue'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mqueue'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/nci'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/nci'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/af_unix'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/af_unix'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/forwarding'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/hsr'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/hsr'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/mptcp'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/mptcp'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/openvswitch'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/net/openvswitch'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/netfilter'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/netfilter'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/nsfs'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/nsfs'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pidfd'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pidfd'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pid_namespace'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pid_namespace'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/powerpc'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/powerpc'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/prctl'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/prctl'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/proc'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/proc'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pstore'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/pstore'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ptrace'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/ptrace'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/openat2'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/openat2'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/resctrl'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/resctrl'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/riscv'
make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/riscv'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rlimits'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rlimits'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rseq'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rseq'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rtc'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/rtc'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/seccomp'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/seccomp'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sgx'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sgx'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sigaltstack'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sigaltstack'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/size'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/size'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sparc64'
make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sparc64'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/splice'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/splice'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/static_keys'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/static_keys'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sync'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sync'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/syscall_user_dispatch'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/syscall_user_dispatch'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sysctl'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/sysctl'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tc-testing'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tc-testing'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tdx'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tdx'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/timens'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/timens'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/timers'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/timers'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tmpfs'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tmpfs'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tpm2'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/tpm2'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/user'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/user'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/vDSO'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/vDSO'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mm'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/mm'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/x86'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/x86'
make[1]: Entering directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/zram'

-e error: missing kernel header files.
Please run this and try again:

    cd /home/usama/repos/kernel/linux_mainline/tools/testing/selftests/../../..
    make headers

make[1]: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests/zram'
make: Leaving directory '/home/usama/repos/kernel/linux_mainline/tools/testing/selftests'