Re: [PATCH v2 0/7] Rename DTB overlay source files

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On Fri, Nov 11, 2022 at 09:39:57PM +0200, Andy Shevchenko wrote:
> On Wed, Oct 26, 2022 at 09:11:21AM -0500, Rob Herring wrote:
> > On Mon, Oct 24, 2022 at 12:34 PM Andrew Davis <afd@xxxxxx> wrote:
> > >
> > > Hello all,
> > >
> > > This is a series based on my patch here[0]. As suggested by Rob
> > > I've resurrected Frank's patch and appended it to mine as a series.
> > >
> > > First patch here is my original patch, 3rd is Frank's patch but with
> > > the unittest changes pulled out into the 2nd patch. That was re-worked
> > > moving the source building macro into scripts/Makefile.lib.
> > >
> > > Patches 4, 5, and 6 are an attempt at renaming all the existing DTB
> > > overlays. Split out by platform so they could be taken by platform
> > > maintainers or if easier ACK'd here and taken all together.
> > >
> > > This should cover all the DTB overlays so we can remove the old .dts
> > > rule for overlays and make .dtso the only supported way, let me know
> > > if we want that this cycle and I can post that too.
> > >
> > > Thanks,
> > > Andrew
> > >
> > > Changes from v1[1]:
> > >  - Added patch to rename pi433 overlay.
> > >  - Cleaned wording on patch 4-6.
> > >  - Collected some ACKs
> > >
> > > [0] https://www.spinics.net/lists/kernel/msg4548509.html
> > > [1] https://www.spinics.net/lists/arm-kernel/msg1020165.html
> > >
> > > Andrew Davis (6):
> > >   kbuild: Allow DTB overlays to built from .dtso named source files
> > >   kbuild: Allow DTB overlays to built into .dtso.S files
> > >   arm64: dts: freescale: Rename DTB overlay source files from .dts to
> > >     .dtso
> > >   arm64: dts: renesas: Rename DTB overlay source files from .dts to
> > >     .dtso
> > >   arm64: dts: xilinx: Rename DTB overlay source files from .dts to .dtso
> > >   staging: pi433: overlay: Rename overlay source file from .dts to .dtso
> > >
> > > Frank Rowand (1):
> > >   of: overlay: rename overlay source files from .dts to .dtso
> > 
> > I've applied patches 1-3 and 7. I'll send a PR for the branch to the
> > platform maintainers after a few days in linux-next.
> 
> The patch
> 
> commit 941214a512d8c80d47e720c17ec17e8539175e93
> Author: Andrew Davis <afd@xxxxxx>
> Date:   Mon Oct 24 12:34:29 2022 -0500
> 
>     kbuild: Allow DTB overlays to built into .dtbo.S files
> 
> broke the build reproducibility / no-op builds.
> 
> Before:
>   2+ execution of `make` on non-changed tree did nothing
> 
> Now:
>   Each run of `make` (even without a single bit changed) restarts vmlinux
>   rebuild.
> 
> Please, revert or fix.

git bisect start
# good: [f0c4d9fc9cc9462659728d168387191387e903cc] Linux 6.1-rc4
git bisect good f0c4d9fc9cc9462659728d168387191387e903cc
# bad: [f8f60f322f0640c8edda2942ca5f84b7a27c417a] Add linux-next specific files for 20221111
git bisect bad f8f60f322f0640c8edda2942ca5f84b7a27c417a
# good: [66500d0e2e5c9b64fc5d3f4879e2140572e1b386] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
git bisect good 66500d0e2e5c9b64fc5d3f4879e2140572e1b386
# bad: [080c1179d77ad36d6e51469b68801ef341ec292a] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
git bisect bad 080c1179d77ad36d6e51469b68801ef341ec292a
# good: [7f5ff6593cc1b1ec2442be30eaf043cf09fa9282] Merge branch 'for-next' of https://gitlab.freedesktop.org/drm/tegra.git
git bisect good 7f5ff6593cc1b1ec2442be30eaf043cf09fa9282
# good: [c16d93a496889347965a860dc4fe493b642f8aff] Merge branch 'for-next' of git://git.kernel.dk/linux-block.git
git bisect good c16d93a496889347965a860dc4fe493b642f8aff
# good: [c9ef15a7221d84edcf03b422ef0a4e43affda226] Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
git bisect good c9ef15a7221d84edcf03b422ef0a4e43affda226
# good: [736894df52110a9e2e106708d848ab08516e5910] Merge branch 'next/dt' into for-next
git bisect good 736894df52110a9e2e106708d848ab08516e5910
# good: [d19d44e32c93cfa815b22ee2254cd1f541a20116] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git
git bisect good d19d44e32c93cfa815b22ee2254cd1f541a20116
# good: [93cc2559d3fdcd28b1a7972ab519a6cd8ba20f9d] spi: Remove the obsolte u64_stats_fetch_*_irq() users.
git bisect good 93cc2559d3fdcd28b1a7972ab519a6cd8ba20f9d
# bad: [26c9134a370ace32cda7a3f9efaf4ca85e57ca8d] Merge branch 'dt/dtbo-rename' into dt/next
git bisect bad 26c9134a370ace32cda7a3f9efaf4ca85e57ca8d
# good: [c9adc3bd1180d2911d2b1b886dbec916805be998] dt-bindings: Remove "status" from schema examples, again
git bisect good c9adc3bd1180d2911d2b1b886dbec916805be998
# bad: [fa9665ef77f5d8e861e2ed7563ebdbddddc6f82b] staging: pi433: overlay: Rename overlay source file from .dts to .dtso
git bisect bad fa9665ef77f5d8e861e2ed7563ebdbddddc6f82b
# bad: [941214a512d8c80d47e720c17ec17e8539175e93] kbuild: Allow DTB overlays to built into .dtbo.S files
git bisect bad 941214a512d8c80d47e720c17ec17e8539175e93
# good: [363547d2191cbc32ca954ba75d72908712398ff2] kbuild: Allow DTB overlays to built from .dtso named source files
git bisect good 363547d2191cbc32ca954ba75d72908712398ff2
# first bad commit: [941214a512d8c80d47e720c17ec17e8539175e93] kbuild: Allow DTB overlays to built into .dtbo.S files


-- 
With Best Regards,
Andy Shevchenko





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