Re: [PATCH 6.6.y 3/5] selftests: mptcp: use += operator to append strings

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On Mon, Apr 08, 2024 at 06:10:38PM +0200, Matthieu Baerts wrote:
> Hi Greg,
> 
> On 08/04/2024 13:31, Greg KH wrote:
> > On Fri, Apr 05, 2024 at 05:36:40PM +0200, Matthieu Baerts (NGI0) wrote:
> >> From: Geliang Tang <tanggeliang@xxxxxxxxxx>
> >>
> >> This patch uses addition assignment operator (+=) to append strings
> >> instead of duplicating the variable name in mptcp_connect.sh and
> >> mptcp_join.sh.
> >>
> >> This can make the statements shorter.
> >>
> >> Note: in mptcp_connect.sh, add a local variable extra in do_transfer to
> >> save the various extra warning logs, using += to append it. And add a
> >> new variable tc_info to save various tc info, also using += to append it.
> >> This can make the code more readable and prepare for the next commit.
> >>
> >> Signed-off-by: Geliang Tang <tanggeliang@xxxxxxxxxx>
> >> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
> >> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
> >> Link: https://lore.kernel.org/r/20240308-upstream-net-next-20240308-selftests-mptcp-unification-v1-8-4f42c347b653@xxxxxxxxxx
> >> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> >> (cherry picked from commit e7c42bf4d320affe37337aa83ae0347832b3f568)
> >> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
> >> ---
> >>  .../selftests/net/mptcp/mptcp_connect.sh      | 53 ++++++++++---------
> >>  .../testing/selftests/net/mptcp/mptcp_join.sh | 30 +++++------
> >>  2 files changed, 43 insertions(+), 40 deletions(-)
> > 
> > Odd, this one did not apply.
> 
> Indeed, that's odd. Do you use a different merge strategy?

I do not use any merge strategy at all, I use 'patch' to apply patches
(well, that's what quilt does), so git is not involved here.

> I just tried on my side with the default merge strategy coming with Git
> 2.43.0, and it works:
> 
>   $ git fetch
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> refs/heads/linux-6.6.y
>   $ git switch -c tmp FETCH_HEAD
>   $ git rebase -i 2f39e4380e73~ ## to drop these 3 patches you added:
>     # 2f39e4380e73 selftests: mptcp: connect: fix shellcheck warnings
> 
> 
> 
>     # bd3b5b0fff75 mptcp: don't overwrite sock_ops in mptcp_is_tcpsk()
> 
> 
> 
>     # f723f9449193 mptcp: don't account accept() of non-MPC client (...)
>   $ git cherry-pick -xs \
>     629b35a225b0 e3aae1098f10 e7c42bf4d320 8e2b8a9fa512 7a1b3490f47e
>   Auto-merging tools/testing/selftests/net/mptcp/mptcp_join.sh
>   (...)
>   $ echo $?
>   0
> 
> But if I try the 3 patches you selected
> 
>   $ git reset --hard HEAD~5
>   $ git cherry-pick -xs e3aae1098f10 8e2b8a9fa512 7a1b3490f47e
>   Auto-merging tools/testing/selftests/net/mptcp/mptcp_connect.sh
>   (...)
>   CONFLICT (content): Merge conflict in
> tools/testing/selftests/net/mptcp/mptcp_connect.sh
>   error: could not apply 7a1b3490f47e... mptcp: don't account accept()
> of non-MPC client as fallback to TCP
> 
> 
> And the conflict makes sense: with the version that is currently in
> linux-6.6.y branch, the new check is done after having printed "OK", so
> that's not correct.
> 
> 
> I can share the 5 patches I applied without conflicts on top of the
> current linux-6.6.y branch, without the 3 patches you added today if it
> can help.

How about just resending this one patch after the next 6.6.y release
that comes out in a day or so.

thanks,

greg k-h




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