Re: [PATCH] scripts: update the comments of kallsyms support

From: Masahiro Yamada
Date: Mon Oct 11 2021 - 22:52:42 EST


On Fri, Oct 8, 2021 at 8:25 PM Hui Su <suhui_kernel@xxxxxxx> wrote:
>
> update the comments of kallsyms support
>
> Signed-off-by: Hui Su <suhui_kernel@xxxxxxx>
> ---

I added

Fixes: af73d78bd384 ("kbuild: Remove debug info from kallsyms linking")


Applied to linux-kbuild. Thanks.




> scripts/link-vmlinux.sh | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
> index d74cee5c4326..a98c4f045302 100755
> --- a/scripts/link-vmlinux.sh
> +++ b/scripts/link-vmlinux.sh
> @@ -369,14 +369,14 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
> # kallsyms support
> # Generate section listing all symbols and add it into vmlinux
> # It's a three step process:
> - # 1) Link .tmp_vmlinux1 so it has all symbols and sections,
> + # 1) Link .tmp_vmlinux.kallsyms1 so it has all symbols and sections,
> # but __kallsyms is empty.
> # Running kallsyms on that gives us .tmp_kallsyms1.o with
> # the right size
> - # 2) Link .tmp_vmlinux2 so it now has a __kallsyms section of
> + # 2) Link .tmp_vmlinux.kallsyms2 so it now has a __kallsyms section of
> # the right size, but due to the added section, some
> # addresses have shifted.
> - # From here, we generate a correct .tmp_kallsyms2.o
> + # From here, we generate a correct .tmp_vmlinux.kallsyms2.o
> # 3) That link may have expanded the kernel image enough that
> # more linker branch stubs / trampolines had to be added, which
> # introduces new names, which further expands kallsyms. Do another
> --
> 2.25.1
>
>


--
Best Regards
Masahiro Yamada