Re: [PATCH 5.4~6.13] MIPS: ftrace: Declare ftrace_get_parent_ra_addr() as static

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

The upstream commit SHA1 provided is correct: ddd068d81445b17ac0bed084dfeb9e58b4df3ddd


Status in newer kernel trees:
6.13.y | Not found

Note: The patch differs from the upstream commit:
---
1:  ddd068d81445b ! 1:  9778a7c87d16c MIPS: ftrace: Declare ftrace_get_parent_ra_addr() as static
    @@ Metadata
      ## Commit message ##
         MIPS: ftrace: Declare ftrace_get_parent_ra_addr() as static
     
    +    commit ddd068d81445b17ac0bed084dfeb9e58b4df3ddd upstream.
    +
         Declare ftrace_get_parent_ra_addr() as static to suppress clang
         compiler warning that 'no previous prototype'. This function is
         not intended to be called from other parts.
    @@ Commit message
         Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
         Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
         Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    +    Signed-off-by: WangYuli <wangyuli@uniontech.com>
     
      ## arch/mips/kernel/ftrace.c ##
     @@ arch/mips/kernel/ftrace.c: int ftrace_disable_ftrace_graph_caller(void)
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.13.y       |  Success    |  Failed    |
| stable/linux-5.4.y        |  Success    |  Success   |

Build Errors:
Build error for stable/linux-6.13.y:
    during RTL pass: dfinit
    drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c: In function 'dml_core_mode_support':
    drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c:9217:1: internal compiler error: Segmentation fault
     9217 | }
          | ^
    x86_64-linux-gcc: internal compiler error: Segmentation fault signal terminated program cc1
    Please submit a full bug report, with preprocessed source (by using -freport-bug).
    See <https://gcc.gnu.org/bugs/> for instructions.
    make[6]: *** [scripts/Makefile.build:194: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.o] Error 4
    make[6]: Target 'drivers/gpu/drm/amd/amdgpu/' not remade because of errors.
    make[5]: *** [scripts/Makefile.build:440: drivers/gpu/drm/amd/amdgpu] Error 2
    make[5]: Target 'drivers/gpu/drm/' not remade because of errors.
    make[4]: *** [scripts/Makefile.build:440: drivers/gpu/drm] Error 2
    make[4]: Target 'drivers/gpu/' not remade because of errors.
    make[3]: *** [scripts/Makefile.build:440: drivers/gpu] Error 2
    make[3]: Target 'drivers/' not remade because of errors.
    make[2]: *** [scripts/Makefile.build:440: drivers] Error 2
    make[2]: Target './' not remade because of errors.
    make[1]: *** [/home/sasha/build/linus-next/Makefile:1989: .] Error 2
    make[1]: Target '__all' not remade because of errors.
    make: *** [Makefile:251: __sub-make] Error 2
    make: Target '__all' not remade because of errors.