Re: [PATCH 6.1 000/368] 6.1.64-rc3 review

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Hello!

On 25/11/23 1:45 p. m., Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.1.64 release.
There are 368 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Mon, 27 Nov 2023 19:43:06 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.64-rc3.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.1.y
and the diffstat can be found below.

thanks,

greg k-h

The following configurations are failing for System/390:
* gcc-8-allmodconfig
* gcc-8-allnoconfig
* gcc-8-defconfig (+CONFIG_DEBUG_INFO_BTF=n)
* gcc-8-tinyconfig
* gcc-13-allmodconfig
* gcc-13-allnoconfig
* gcc-13-defconfig
* gcc-13-tinyconfig
* clang-17-allmodconfig
* clang-17-allnoconfig
* clang-17-defconfig
* clang-17-tinyconfig
* clang-nightly-allmodconfig
* clang-nightly-allnoconfig
* clang-nightly-defconfig
* clang-nightly-tinyconfig

The error looks like this:
-----8<-----
  In file included from /builds/linux/arch/s390/include/asm/page.h:208,
                   from /builds/linux/arch/s390/include/asm/thread_info.h:26,
                   from /builds/linux/include/linux/thread_info.h:60,
                   from /builds/linux/arch/s390/include/asm/preempt.h:6,
                   from /builds/linux/include/linux/preempt.h:78,
                   from /builds/linux/include/linux/spinlock.h:56,
                   from /builds/linux/include/linux/mmzone.h:8,
                   from /builds/linux/include/linux/gfp.h:7,
                   from /builds/linux/include/linux/mm.h:7,
                   from /builds/linux/arch/s390/mm/page-states.c:13:
  /builds/linux/arch/s390/mm/page-states.c: In function 'cmma_init_nodat':
  /builds/linux/arch/s390/mm/page-states.c:198:30: error: 'invalid_pg_dir' undeclared (first use in this function)
    198 |         page = virt_to_page(&invalid_pg_dir);
        |                              ^~~~~~~~~~~~~~
  /builds/linux/include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page'
     25 | #define __pfn_to_page(pfn)      (vmemmap + (pfn))
        |                                             ^~~
  /builds/linux/arch/s390/include/asm/page.h:198:34: note: in expansion of macro 'phys_to_pfn'
    198 | #define virt_to_pfn(kaddr)      (phys_to_pfn(__pa(kaddr)))
        |                                  ^~~~~~~~~~~
  /builds/linux/arch/s390/include/asm/page.h:198:46: note: in expansion of macro '__pa'
    198 | #define virt_to_pfn(kaddr)      (phys_to_pfn(__pa(kaddr)))
        |                                              ^~~~
  /builds/linux/arch/s390/include/asm/page.h:201:45: note: in expansion of macro 'virt_to_pfn'
    201 | #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
        |                                             ^~~~~~~~~~~
  /builds/linux/arch/s390/mm/page-states.c:198:16: note: in expansion of macro 'virt_to_page'
    198 |         page = virt_to_page(&invalid_pg_dir);
        |                ^~~~~~~~~~~~
  /builds/linux/arch/s390/mm/page-states.c:198:30: note: each undeclared identifier is reported only once for each function it appears in
    198 |         page = virt_to_page(&invalid_pg_dir);
        |                              ^~~~~~~~~~~~~~
  /builds/linux/include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page'
     25 | #define __pfn_to_page(pfn)      (vmemmap + (pfn))
        |                                             ^~~
  /builds/linux/arch/s390/include/asm/page.h:198:34: note: in expansion of macro 'phys_to_pfn'
    198 | #define virt_to_pfn(kaddr)      (phys_to_pfn(__pa(kaddr)))
        |                                  ^~~~~~~~~~~
  /builds/linux/arch/s390/include/asm/page.h:198:46: note: in expansion of macro '__pa'
    198 | #define virt_to_pfn(kaddr)      (phys_to_pfn(__pa(kaddr)))
        |                                              ^~~~
  /builds/linux/arch/s390/include/asm/page.h:201:45: note: in expansion of macro 'virt_to_pfn'
    201 | #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
        |                                             ^~~~~~~~~~~
  /builds/linux/arch/s390/mm/page-states.c:198:16: note: in expansion of macro 'virt_to_page'
    198 |         page = virt_to_page(&invalid_pg_dir);
        |                ^~~~~~~~~~~~
  make[4]: *** [/builds/linux/scripts/Makefile.build:250: arch/s390/mm/page-states.o] Error 1
----->8-----

Bisection points to:

  commit 1a5dd59623dc206de30df2d13316a3ce9be6821a
  Author: Heiko Carstens <hca@xxxxxxxxxxxxx>
  Date:   Tue Oct 24 10:15:20 2023 +0200

      s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir
commit 84bb41d5df48868055d159d9247b80927f1f70f9 upstream.


Reverting that commit made the build pass.

Reproducer:
  tuxmake --runtime podman --target-arch s390 --toolchain gcc-13 --kconfig tinyconfig


Then, there's a PowerPC failure too on the following configurations:
* gcc-8-allmodconfig
* gcc-8-defconfig
* gcc-13-allmodconfig
* gcc-13-defconfig
* clang-17-defconfig
* clang-nightly-defconfig

That looks like this:
-----8<-----
  /builds/linux/arch/powerpc/platforms/pseries/iommu.c: In function 'find_existing_ddw':
  /builds/linux/arch/powerpc/platforms/pseries/iommu.c:926:49: error: 'struct dma_win' has no member named 'direct'
    926 |                         *direct_mapping = window->direct;
        |                                                 ^~
  make[5]: *** [/builds/linux/scripts/Makefile.build:250: arch/powerpc/platforms/pseries/iommu.o] Error 1
----->8-----

I guess it might be due to this:

  commit fd018dfa8f0b963d65700d518596f9d834844fca
  Author: Gaurav Batra <gbatra@xxxxxxxxxxxxxxxxxx>
  Date:   Mon Oct 2 22:08:02 2023 -0500

      powerpc/pseries/iommu: enable_ddw incorrectly returns direct mapping for SR-IOV device
commit 3bf983e4e93ce8e6d69e9d63f52a66ec0856672e upstream.


Reverting that commit does make the build pass again.

Reproducer:
  tuxmake --runtime podman --target-arch powerpc --toolchain gcc-13 --kconfig defconfig

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Greetings!

Daniel Díaz
daniel.diaz@xxxxxxxxxx





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