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Message-ID: <CA+G9fYvF3cGqi_McG1AtfkMgd5EB_=nmcwiJAGFjZReP8dGKxg@mail.gmail.com>
Date: Tue, 2 Dec 2025 18:02:33 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com,
rwarsow@....de, conor@...nel.org, hargar@...rosoft.com, broonie@...nel.org,
achill@...ill.org, sr@...dewatkins.com,
Ben Copeland <benjamin.copeland@...aro.org>, Dan Carpenter <dan.carpenter@...aro.org>,
Anders Roxell <anders.roxell@...aro.org>, Arnd Bergmann <arnd@...db.de>,
Hugh Dickins <hughd@...gle.com>, Harry Yoo <harry.yoo@...cle.com>, Peter Xu <peterx@...hat.com>
Subject: Re: [PATCH 5.4 000/184] 5.4.302-rc2 review
On Tue, 2 Dec 2025 at 15:41, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.4.302 release.
> There are 184 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 Thu, 04 Dec 2025 09:54:14 +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/v5.x/stable-review/patch-5.4.302-rc2.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
The powerpc builds failed on the stable-rc 5.4.302-rc1 and 5.4.302-rc2.
* powerpc, build
- clang-21-cell_defconfig
- clang-nightly-cell_defconfig
- gcc-12-cell_defconfig
- gcc-12-defconfig
- gcc-12-ppc64e_defconfig
- gcc-12-ppc6xx_defconfig
- gcc-8-cell_defconfig
- gcc-8-defconfig
- gcc-8-ppc64e_defconfig
- gcc-8-ppc6xx_defconfig
Build regressions: powerpc: mm/mprotect.c:: pgtable.h:971:38: error:
called object 'pmd_val' is not a function or function pointer
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
The bisection is in progress,
meanwhile this patch looks to be causing the build failure,
mm/mprotect: delete pmd_none_or_clear_bad_unless_trans_huge()
commit 670ddd8cdcbd1d07a4571266ae3517f821728c3a upstream.
The sequence patch.
mm/mprotect: use long for page accountings and retval
commit a79390f5d6a78647fd70856bd42b22d994de0ba2 upstream.
### Build error
In file included from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:9,
from include/linux/pagewalk.h:5,
from mm/mprotect.c:12:
mm/mprotect.c: In function 'change_pte_range':
arch/powerpc/include/asm/book3s/64/pgtable.h:971:38: error: called
object 'pmd_val' is not a function or function pointer
971 | #define pmd_page_vaddr(pmd) __va(pmd_val(pmd) & ~PMD_MASKED_BITS)
| ^~~~~~~
arch/powerpc/include/asm/bug.h:91:32: note: in definition of macro 'WARN_ON'
91 | int __ret_warn_on = !!(x); \
| ^
arch/powerpc/include/asm/page.h:229:9: note: in expansion of macro
'VIRTUAL_WARN_ON'
229 | VIRTUAL_WARN_ON((unsigned long)(x) >= PAGE_OFFSET);
\
| ^~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:971:33: note: in
expansion of macro '__va'
971 | #define pmd_page_vaddr(pmd) __va(pmd_val(pmd) & ~PMD_MASKED_BITS)
| ^~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1007:21: note: in
expansion of macro 'pmd_page_vaddr'
1007 | (((pte_t *) pmd_page_vaddr(*(dir))) + pte_index(addr))
| ^~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1009:41: note: in
expansion of macro 'pte_offset_kernel'
1009 | #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))
| ^~~~~~~~~~~~~~~~~
include/linux/mm.h:2010:24: note: in expansion of macro 'pte_offset_map'
2010 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
mm/mprotect.c:48:15: note: in expansion of macro 'pte_offset_map_lock'
48 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
| ^~~~~~~~~~~~~~~~~~~
mm/mprotect.c:43:15: note: declared here
43 | pmd_t pmd_val;
| ^~~~~~~
In file included from arch/powerpc/include/asm/mmu.h:132,
from arch/powerpc/include/asm/lppaca.h:47,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/thread_info.h:22,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10:
arch/powerpc/include/asm/book3s/64/pgtable.h:971:38: error: called
object 'pmd_val' is not a function or function pointer
971 | #define pmd_page_vaddr(pmd) __va(pmd_val(pmd) & ~PMD_MASKED_BITS)
| ^~~~~~~
arch/powerpc/include/asm/page.h:230:47: note: in definition of macro '__va'
230 | (void *)(unsigned long)((phys_addr_t)(x) |
PAGE_OFFSET); \
| ^
arch/powerpc/include/asm/book3s/64/pgtable.h:1007:21: note: in
expansion of macro 'pmd_page_vaddr'
1007 | (((pte_t *) pmd_page_vaddr(*(dir))) + pte_index(addr))
| ^~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1009:41: note: in
expansion of macro 'pte_offset_kernel'
1009 | #define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))
| ^~~~~~~~~~~~~~~~~
include/linux/mm.h:2010:24: note: in expansion of macro 'pte_offset_map'
2010 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
mm/mprotect.c:48:15: note: in expansion of macro 'pte_offset_map_lock'
48 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
| ^~~~~~~~~~~~~~~~~~~
mm/mprotect.c:43:15: note: declared here
43 | pmd_t pmd_val;
| ^~~~~~~
make[2]: *** [scripts/Makefile.build:262: mm/mprotect.o] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1769: mm] Error 2
kernel/profile.c: In function 'profile_dead_cpu':
kernel/profile.c:347:27: warning: the comparison will always evaluate
as 'true' for the address of 'prof_cpu_mask' will never be NULL
[-Waddress]
347 | if (prof_cpu_mask != NULL)
| ^~
kernel/profile.c:50:22: note: 'prof_cpu_mask' declared here
50 | static cpumask_var_t prof_cpu_mask;
| ^~~~~~~~~~~~~
kernel/profile.c: In function 'profile_online_cpu':
kernel/profile.c:384:27: warning: the comparison will always evaluate
as 'true' for the address of 'prof_cpu_mask' will never be NULL
[-Waddress]
384 | if (prof_cpu_mask != NULL)
| ^~
kernel/profile.c:50:22: note: 'prof_cpu_mask' declared here
50 | static cpumask_var_t prof_cpu_mask;
| ^~~~~~~~~~~~~
kernel/profile.c: In function 'profile_tick':
kernel/profile.c:414:47: warning: the comparison will always evaluate
as 'true' for the address of 'prof_cpu_mask' will never be NULL
[-Waddress]
414 | if (!user_mode(regs) && prof_cpu_mask != NULL &&
| ^~
kernel/profile.c:50:22: note: 'prof_cpu_mask' declared here
50 | static cpumask_var_t prof_cpu_mask;
| ^~~~~~~~~~~~~
In file included from include/linux/list.h:9,
from include/net/tcp.h:19,
from net/ipv4/tcp_output.c:40:
net/ipv4/tcp_output.c: In function 'tcp_tso_should_defer':
include/linux/kernel.h:843:43: warning: comparison of distinct pointer
types lacks a cast
843 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:857:18: note: in expansion of macro '__typecheck'
857 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:867:31: note: in expansion of macro '__safe_cmp'
867 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:876:25: note: in expansion of macro '__careful_cmp'
876 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
net/ipv4/tcp_output.c:2028:21: note: in expansion of macro 'min'
2028 | threshold = min(srtt_in_ns >> 1, NSEC_PER_MSEC);
| ^~~
fs/xfs/libxfs/xfs_inode_fork.c: In function 'xfs_ifork_verify_attr':
fs/xfs/libxfs/xfs_inode_fork.c:735:13: warning: the comparison will
always evaluate as 'true' for the address of 'i_df' will never be NULL
[-Waddress]
735 | if (!XFS_IFORK_PTR(ip, XFS_ATTR_FORK))
| ^
In file included from fs/xfs/libxfs/xfs_inode_fork.c:14:
fs/xfs/xfs_inode.h:38:33: note: 'i_df' declared here
38 | struct xfs_ifork i_df; /* data fork */
| ^~~~
make[1]: Target '_all' not remade because of errors.
make: *** [Makefile:186: sub-make] Error 2
make: Target '_all' not remade because of errors.
### Build logs
Build details: https://regressions.linaro.org/lkft/linux-stable-rc-linux-5.4.y/v5.4.301-185-ga03757dc1d0b/build/gcc-12-defconfig/
Build log: https://storage.tuxsuite.com/public/linaro/lkft/builds/36Hn1iZBZCBAXg2OuUdfdNEUFxK/
Build config: https://storage.tuxsuite.com/public/linaro/lkft/builds/36Hn1iZBZCBAXg2OuUdfdNEUFxK/config
### Steps to reproduce
- tuxmake --runtime podman --target-arch powerpc --toolchain gcc-12
--kconfig defconfig
--
Linaro LKFT
https://lkft.linaro.org
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