linux-kernel - Re: [PATCH 2/3] x86/callthunks: Handle %rip-relative relocations in call thunk template

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]

Message-ID: <CAFULd4ZjqAL-_QvfH11vafk5cDOCF8yCALgEMvSgfYJuVG1pNw@mail.gmail.com>
Date:   Thu, 2 Nov 2023 13:34:14 +0100
From:   Uros Bizjak <ubizjak@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/3] x86/callthunks: Handle %rip-relative relocations in
 call thunk template

On Thu, Nov 2, 2023 at 12:56 PM Peter Zijlstra <peterz@...radead.org> wrote:
>
> On Thu, Nov 02, 2023 at 12:50:01PM +0100, Uros Bizjak wrote:
>
> > > Remove static, add decl, stuff like that?
> >
> > On second thought, you are right. Should I move the above function
> > somewhere (reloc.c?) , or can I just use it from alternative.c and add
> > decl (where?) ?
>
> Yeah, leave it there for now, perhaps asm/text-patching.h ?

The new version boots OK and looks like the attached patch.

Uros.

View attachment "reloc.diff.txt" of type "text/plain" (3581 bytes)