linux-kernel - Re: [PATCH v6 0/2] Kbuild: DWARF v5 support

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAKwvOdniSiaBkGOO32ZuGCv=1SBwaqdRsHUo31n+O+g0ek5P_Q@mail.gmail.com>
Date:   Fri, 29 Jan 2021 16:46:02 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Clang-Built-Linux ML <clang-built-linux@...glegroups.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Jakub Jelinek <jakub@...hat.com>,
        Fangrui Song <maskray@...gle.com>,
        Caroline Tice <cmtice@...gle.com>,
        Nick Clifton <nickc@...hat.com>, Yonghong Song <yhs@...com>,
        Jiri Olsa <jolsa@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH v6 0/2] Kbuild: DWARF v5 support

On Fri, Jan 29, 2021 at 4:08 PM Sedat Dilek <sedat.dilek@...il.com> wrote:
>
> On Fri, Jan 29, 2021 at 8:43 PM Nick Desaulniers
> <ndesaulniers@...gle.com> wrote:
> >
> > DWARF v5 is the latest standard of the DWARF debug info format.
> >
> > DWARF5 wins significantly in terms of size and especially so when mixed
> > with compression (CONFIG_DEBUG_INFO_COMPRESSED).
> >
> > Link: http://www.dwarfstd.org/doc/DWARF5.pdf
> >
> > Patch 1 is a cleanup that lays the ground work and isn't DWARF
> > v5 specific.
> > Patch 2 implements Kconfig and Kbuild support for DWARFv5.
> >
>
> When you will do a v7...
>
> Can you look also at places where we have hardcoded DWARF-2 handling...

Ah, sorry, I just saw this now, after sending v7.  Can we wait to
purge DWARF v2 until after we have DWARF v5?

In fact, if they are orthogonal like I suspect, why don't you send
some patches and I will help you test them?
-- 
Thanks,
~Nick Desaulniers