linux-kernel - Re: [PATCH] x86/build: Move '-mindirect-branch-cs-prefix' out of GCC-only block

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 30 Sep 2022 11:10:44 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        "Moreira, Joao" <joao.moreira@...el.com>
Subject: Re: [PATCH] x86/build: Move '-mindirect-branch-cs-prefix' out of
 GCC-only block

On Thu, Aug 18, 2022 at 12:45 AM Peter Zijlstra <peterz@...radead.org> wrote:
>
> This being clang, you'll ofcourse still have a few weird:
>
>         "Jcc.d32 __x86_indirect_thunk_r11"
>
> sites that will not be able to be replaced, but there's nothing I can do
> about that other than to continue to encourage y'all to stop emitting
> them ;-)

Joao has a patch up for this:
https://reviews.llvm.org/D134915
-- 
Thanks,
~Nick Desaulniers