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Message-ID: <01b97008-3311-7b5b-4424-76bd3d560b40@osg.samsung.com>
Date: Wed, 30 Nov 2016 07:17:57 -0700
From: Shuah Khan <shuahkh@....samsung.com>
To: bamvor.zhangjian@...wei.com, mpe@...erman.id.au,
Shuah Khan <shuahkh@....samsung.com>
Cc: linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
khilman@...nel.org, broonie@...nel.org
Subject: Re: [PATCH v2 0/6] enable O and KBUILD_OUTPUT for kselftest
On 11/29/2016 04:55 AM, bamvor.zhangjian@...wei.com wrote:
> From: Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
>
> Here is my second version for enabling the KBUILD_OUTPUT for kselftest.
> The first version could be found here[1]. I fix and test all the TARGET
> in tools/testing/selftest/Makefile. For ppc, I test through fake target.
>
> There are six patches in these series. And five of them clean up the
> existing code. I split the clean up patches into five, hope it is easy
> to review.
>
> selftests: remove duplicated all and clean target
> selftests: remove useless TEST_DIRS
> a selftests: add pattern rules
> A selftests: remove CROSS_COMPILE in dedicated Makefile
> A selftests: add EXTRA_CLEAN for clean target
> selftests: enable O and KBUILD_OUTPUT
>
> Notes:
> A: Ack by Michael.
> a: ack by Michael. Minor update after rebase.
Bamovar/Michael,
Are these rebased to linux-next? Michael was concerned about
conflicts with powerpc tree. Would rebasing to linux-next help
avoiding conflicts?
Still looking to get them into 4.10 if possible.
thanks,
-- Shuah
>
> In the first patch, I split the test files into two types:
> TEST_GEN_XXX means such file is generated during compiling. TEST_XXX
> means there is no need to compile before use. The main reason of this
> is the enablement of KBUILD_OUTPUT only need to care about TEST_GEN_XXX.
> I wanted to copy all the TEST_XXX with TEST_GEN_XXX, but I give up this
> idea in the end. Because people may puzzle why copy the file before
> installation.
>
> Because of the introducing of TEST_GEN_XXX, I update the top-level
> Makefile and lib.mk selftests directory. After introduce TEST_GEN_XXX, I
> could remove all the unnecessary all and clean targets.
>
> The second patch remove TEST_DIRS variable. And third patch add the
> pattern for compiling the c sourc code. The fourth patch remove the
> useless CROSS_COMPILE variable as it aleady exists in
> "tools/testing/selftests/lib.mk".
>
> Further more, The fifth patch add the EXTRA_CLEAN variable to clean up
> the duplicated clean target
>
> The last patch introduce the KBUILD_OUTPUT and O for kselftest instead
> using the existing kbuild system because user may compile kselftest
> directly (make -C tools/testing/selftests).
>
> Changes:
> 1. remove the useless *.o target in the following file suggested by
> Michael:
> tools/testing/selftests/powerpc/benchmarks/Makefile
> tools/testing/selftests/powerpc/copyloops/Makefile
> tools/testing/selftests/powerpc/dscr/Makefile
> tools/testing/selftests/powerpc/math/Makefile
> tools/testing/selftests/powerpc/primitives/Makefile
> tools/testing/selftests/powerpc/stringloops/Makefile
> tools/testing/selftests/powerpc/syscalls/Makefile
> tools/testing/selftests/powerpc/tm/Makefile
>
> 2. remove the useless "all" and "clean" target in bpf and nsfs which
> are added after my previous patch.
>
> 3. Improve the commit message.
>
> [1] http://www.spinics.net/lists/linux-api/msg20789.html
>
> Bamvor Jian Zhang (6):
> selftests: remove duplicated all and clean target
> selftests: remove useless TEST_DIRS
> selftests: add default rules for c source file
> selftests: remove CROSS_COMPILE in dedicated Makefile
> selftests: add EXTRA_CLEAN for clean target
> selftests: enable O and KBUILD_OUTPUT
>
> Documentation/kselftest.txt | 12 +++++++
> tools/testing/selftests/Makefile | 36 ++++++++++++++-----
> tools/testing/selftests/bpf/Makefile | 10 ++----
> tools/testing/selftests/breakpoints/Makefile | 10 ++----
> tools/testing/selftests/capabilities/Makefile | 11 ++----
> tools/testing/selftests/efivarfs/Makefile | 8 +----
> tools/testing/selftests/exec/Makefile | 32 ++++++++---------
> tools/testing/selftests/ftrace/Makefile | 6 ++--
> tools/testing/selftests/futex/Makefile | 21 ++++++++---
> tools/testing/selftests/futex/functional/Makefile | 12 ++-----
> tools/testing/selftests/ipc/Makefile | 7 +---
> tools/testing/selftests/kcmp/Makefile | 6 ++--
> tools/testing/selftests/lib.mk | 36 +++++++++++++++----
> tools/testing/selftests/membarrier/Makefile | 6 +---
> tools/testing/selftests/memfd/Makefile | 15 ++------
> tools/testing/selftests/mount/Makefile | 7 +---
> tools/testing/selftests/mqueue/Makefile | 6 +---
> tools/testing/selftests/net/Makefile | 15 +++-----
> tools/testing/selftests/nsfs/Makefile | 9 +----
> tools/testing/selftests/powerpc/Makefile | 15 ++++----
> tools/testing/selftests/powerpc/alignment/Makefile | 9 ++---
> .../testing/selftests/powerpc/benchmarks/Makefile | 15 +++-----
> .../selftests/powerpc/context_switch/Makefile | 9 ++---
> tools/testing/selftests/powerpc/copyloops/Makefile | 19 ++++------
> tools/testing/selftests/powerpc/dscr/Makefile | 13 +++----
> tools/testing/selftests/powerpc/math/Makefile | 25 ++++++-------
> tools/testing/selftests/powerpc/mm/Makefile | 18 ++++------
> tools/testing/selftests/powerpc/pmu/Makefile | 26 +++++++-------
> tools/testing/selftests/powerpc/pmu/ebb/Makefile | 15 +++-----
> .../testing/selftests/powerpc/primitives/Makefile | 9 ++---
> .../testing/selftests/powerpc/stringloops/Makefile | 9 ++---
> .../selftests/powerpc/switch_endian/Makefile | 17 ++++-----
> tools/testing/selftests/powerpc/syscalls/Makefile | 9 ++---
> tools/testing/selftests/powerpc/tm/Makefile | 17 ++++-----
> tools/testing/selftests/powerpc/vphn/Makefile | 10 ++----
> tools/testing/selftests/pstore/Makefile | 4 +--
> tools/testing/selftests/ptrace/Makefile | 8 +----
> tools/testing/selftests/seccomp/Makefile | 6 +---
> tools/testing/selftests/sigaltstack/Makefile | 5 +--
> tools/testing/selftests/size/Makefile | 10 ++----
> tools/testing/selftests/timers/Makefile | 10 ++----
> tools/testing/selftests/vm/Makefile | 41 +++++++++-------------
> tools/testing/selftests/x86/Makefile | 17 +++++----
> tools/testing/selftests/zram/Makefile | 3 +-
> 44 files changed, 247 insertions(+), 357 deletions(-)
>
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