Re: [PATCH] vmlinux.lds.h: catch .bss..L* sections into BSS")

[Arnd Bergmann]

On Fri, Jul 12, 2024, at 07:51, Christophe Leroy wrote:
> Commit 9a427556fb8e ("vmlinux.lds.h: catch compound literals into
> data and BSS") added catches for .data..L* and .rodata..L* but missed
> .bss..L*
>
> Since commit 5431fdd2c181 ("ptrace: Convert ptrace_attach() to use
> lock guards") the following appears at build:
>
>   LD      .tmp_vmlinux.kallsyms1
> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data33' from 
> `kernel/ptrace.o' being placed in section `.bss..Lubsan_data33'
>   NM      .tmp_vmlinux.kallsyms1.syms
>   KSYMS   .tmp_vmlinux.kallsyms1.S
>   AS      .tmp_vmlinux.kallsyms1.S
>   LD      .tmp_vmlinux.kallsyms2
> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data33' from 
> `kernel/ptrace.o' being placed in section `.bss..Lubsan_data33'
>   NM      .tmp_vmlinux.kallsyms2.syms
>   KSYMS   .tmp_vmlinux.kallsyms2.S
>   AS      .tmp_vmlinux.kallsyms2.S
>   LD      vmlinux
> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data33' from 
> `kernel/ptrace.o' being placed in section `.bss..Lubsan_data33'
>
> Lets add .bss..L* to BSS_MAIN macro to catch those sections into BSS.
>
> Fixes: 9a427556fb8e ("vmlinux.lds.h: catch compound literals into data 
> and BSS")
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: 
> https://lore.kernel.org/oe-kbuild-all/202404031349.nmKhyuUG-lkp@xxxxxxxxx/

Applied to the asm-generic tree, thanks!

         Arnd