On Sun, Nov 13, 2022 at 02:36:33PM +0200, Andy Shevchenko wrote: > On Sun, Nov 13, 2022 at 02:20:48PM +0200, Andy Shevchenko wrote: > > On Fri, Nov 11, 2022 at 03:05:20PM -0600, Andrew Davis wrote: > > > On 11/11/22 1:39 PM, 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. > > > > > > > > > > I do not see this behavior. What config are you using? > > > > > > Not sure how this patch could be the root cause, it only adds > > > a build target/rule, but doesn't actually use it anywhere yet.. > > > > For your reference I started with this one [1]. > > > > When I bisected, I just answered with defaults on whatever `make` told me at > > the configuration stage. > > > > The actual `make` command I used: > > > > make O=/path/to/the/result W=1 C=1 CF=-D__CHECK_ENDIAN__ -j64 > > > > But there is nothing that can affect the described issue. > > Actually, O= might affect which Makefile is used and how. > The C=, CF= are sparse flags, W= is just warning level. As far as I can tell right now it's the OF_UNITTEST on x86_64 that makes the above mentioned patch to be a culprit. Not sure if on ARM / ARM64 you can reproduce that. And it's really strange nobody reported this for a week+. Whatever, I'm open for the suggestions and material to test. > > [1]: https://p.defau.lt/?ZSOdGnNxF9v9AQtrfDo_KQ -- With Best Regards, Andy Shevchenko
