netdev - Re: [PATCH v2 bpf-next 13/17] selftests/bpf: use -O0 instead of -Og in selftests builds

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: <ac701563-69aa-5cfd-8875-69cc5fae27b4@fb.com>
Date:   Thu, 22 Apr 2021 17:05:17 -0700
From:   Yonghong Song <yhs@...com>
To:     Andrii Nakryiko <andrii@...nel.org>, <bpf@...r.kernel.org>,
        <netdev@...r.kernel.org>, <ast@...com>, <daniel@...earbox.net>
CC:     <kernel-team@...com>
Subject: Re: [PATCH v2 bpf-next 13/17] selftests/bpf: use -O0 instead of -Og
 in selftests builds



On 4/16/21 1:24 PM, Andrii Nakryiko wrote:
> While -Og is designed to work well with debugger, it's still inferior to -O0
> in terms of debuggability experience. It will cause some variables to still be
> inlined, it will also prevent single-stepping some statements and otherwise
> interfere with debugging experience. So switch to -O0 which turns off any
> optimization and provides the best debugging experience.
> 
> Signed-off-by: Andrii Nakryiko <andrii@...nel.org>

Acked-by: Yonghong Song <yhs@...com>