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SubjectRe: Linux 6.2-rc2
Date
On Mon, 23 Jan 2023 18:27:32 +0000 SeongJae Park <sj@kernel.org> wrote:

> On Mon, 23 Jan 2023 18:09:27 +0900 Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> > On Wed, Jan 11, 2023 at 4:14 AM SeongJae Park <sj@kernel.org> wrote:
> > >
> > > Hi Masahiro,
> > >
> > > On Wed, 11 Jan 2023 03:39:58 +0900 Masahiro Yamada <masahiroy@kernel.org> wrote:
> > >
> > > > On Tue, Jan 10, 2023 at 9:32 AM SeongJae Park <sj@kernel.org> wrote:
> > > > >
> > > > > On Tue, 3 Jan 2023 11:58:48 +0100 Ard Biesheuvel <ardb@kernel.org> wrote:
> > > > >
> > > > > > On Tue, 3 Jan 2023 at 03:13, Linus Torvalds
> > > > > > <torvalds@linux-foundation.org> wrote:
> > > > > > >
> > > > > > > On Mon, Jan 2, 2023 at 5:45 PM Guenter Roeck <linux@roeck-us.net> wrote:
> > > > > > > >
> > > > > [...]
> > > > > > --- a/include/asm-generic/vmlinux.lds.h
> > > > > > +++ b/include/asm-generic/vmlinux.lds.h
> > > > > > @@ -896,7 +896,7 @@
> > > > > > * Otherwise, the type of .notes section would become PROGBITS
> > > > > > instead of NOTES.
> > > > > > */
> > > > > > #define NOTES \
> > > > > > - /DISCARD/ : { *(.note.GNU-stack) } \
> > > > > > + .note.GNU-stack : { *(.note.GNU-stack) } \
> > > > > > .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
> > > > > > BOUNDED_SECTION_BY(.note.*, _notes) \
> > > > > > } NOTES_HEADERS \
> > > > > >
> > > > > > The .note.GNU-stack has zero size, so the result should be the same.
> > > > > >
> > > > >
> > > > > This also fixes ARCH=um build error on my system.
> > > > >
> > > > > Tested-by: SeongJae Park <sj@kernel.org>
> > > >
> > > >
> > > >
> > > > I am able to build ARCH=um defconfig at least.
> > > >
> > > > Can you provide the steps to reproduce the build error?
> > >
> > > I do the build for kunit test, like below.
> > >
> > > mkdir ../kunit.out
> > > echo "
> > > CONFIG_KUNIT=y
> > >
> > > CONFIG_DAMON=y
> > > CONFIG_DAMON_KUNIT_TEST=y
> > >
> > > CONFIG_DAMON_VADDR=y
> > > CONFIG_DAMON_VADDR_KUNIT_TEST=y
> > >
> > > CONFIG_DEBUG_FS=y
> > > CONFIG_DAMON_DBGFS=y
> > > CONFIG_DAMON_DBGFS_KUNIT_TEST=y
> > > CONFIG_DAMON_PADDR=y" > ../kunit.out/.kunitconfig
> > > ./tools/testsing/kunit/kunit.py run --build_dir ../kunit.out
> > > [19:12:37] Configuring KUnit Kernel ...
> > > [19:12:37] Building KUnit Kernel ...
> > > Populating config with:
> > > $ make ARCH=um O=../kunit.out/ olddefconfig
> > > Building with:
> > > $ make ARCH=um O=../kunit.out/ --jobs=36
> > > ERROR:root:`.exit.text' referenced in section `.uml.exitcall.exit' of arch/um/drivers/virtio_uml.o: defined in discarded section `.exit.text' of arch/um/drivers/virtio_uml.o
> > > collect2: error: ld returned 1 exit status
> > > make[2]: *** [/home/sjpark/linux/scripts/Makefile.vmlinux:34: vmlinux] Error 1
> > > make[1]: *** [/home/sjpark/linux/Makefile:1252: vmlinux] Error 2
> > > make: *** [Makefile:242: __sub-make] Error 2
> > >
[...]
>
> Thank you for sharing your results. I think it may depend on the compiler
> version, because I use a quite old compiler.
>
> $ gcc --version
> gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0

I'm still getting the failure on my setup with latest mainline. Could we merge
the fix for now? Or, was there some updates that I was missing?


Thanks,
SJ

[...]

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