Messages in this thread | | | Date | Tue, 12 Jan 2021 12:47:25 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v3] x86/entry: emit a symbol for register restoring thunk |
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On Mon, Jan 11, 2021 at 05:13:16PM -0800, Nick Desaulniers wrote: > Unconditionally. See > https://sourceware.org/pipermail/binutils/2021-January/114700.html > where that flag was rejected and the optimization was adopted as the > optimization was obvious to GNU binutils developers. So I suspect this > will become a problem for GNU binutils users as well after the latest > release that contains > https://sourceware.org/pipermail/binutils/attachments/20210105/75dd4a9d/attachment-0001.bin.
Aha, thanks for this.
> I can clean that up in v5; The section symbols were not generated then > stripped; they were simply never generated.
I'd appreciate a more verbose writeup explaining why this is being done, but written for outsiders who are not necessarily toolchain developers. So that it is clear months/years from now why this was done. Something structured like this maybe:
Problem is A.
It happens because of B.
Fix it by doing C.
(Potentially do D).
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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