Re: [PATCH] kbuild: unset sub_make_done before calling kselftest build system

[Zelin Deng <zelin.deng@linux.alibaba.com>]

On Fri, Jul 03, 2026 at 10:25:15AM +0200, Petr Mladek wrote:
> On Fri 2026-07-03 08:04:08, Thomas Weißschuh wrote:
> > The kselftest build system may recourse back into kbuild when building
> > test modules. In that case kbuild needs to parse the new flags passed
> > from the command line, instead of using the ones inherited from the
> > kbuild invocation.
> > 
> > Force that command line reevaluation.
> > 
> > The same was done for scripts/install.sh in commit 14ccc638b02f9ec
> > ("kbuild: cancel sub_make_done for the install target to fix DKMS")
> >
> > Reported-by: Zelin Deng <zelin.deng@linux.alibaba.com>
> > Closes: https://lore.kernel.org/all/20260525083721.27857-1-zelin.deng@linux.alibaba.com/
> 
> It is great that you added references to the related commit and
> the original thread.
> 
> > Fixes: c9bb03ac2c66 ("kbuild: reduce output spam when building out of tree")
> > Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
> 
> I believe that this is reasonable solution:
> 
> Acked-by: Petr Mladek <pmladek@suse.com>
> 
> Zelin, could you please provide your Tested-by, please?

Sorry for late response, I just started a vacation.
Sure I had verified, and
Tested-by: Zelin Deng <zelin.deng@linux.alibaba.com>

> 
> Best Regards,
> Petr
> 
> PS: I could take this via livepatching tree. But feel free to take it
>     via kbuild tree. I am going to wait few days until the discussion
>     settles down.