Re: [PATCH] kbuild: Merge module sections if and only if CONFIG_LTO_CLANG is enabled

Kees Cook
2021-03-31T19:57:14Z

On Mon, 22 Mar 2021 16:44:38 -0700, Sean Christopherson wrote:
> Merge module sections only when using Clang LTO. With gcc-10, merging
> sections does not appear to update the symbol tables for the module,
> e.g. 'readelf -s' shows the value that a symbol would have had, if
> sections were not merged.
>
> The stale symbol table breaks gdb's function disassambler, and presumably
> other things, e.g.
>
> [...]

Applied to for-linus/lto, thanks!

[1/1] kbuild: lto: Merge module sections if and only if CONFIG_LTO_CLANG is enabled
https://git.kernel.org/kees/c/8b382ebc86a8

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Kees Cook