From: Lorenz Bauer <lmb@isovalent.com>
To: Breno Leitao <leitao@debian.org>
Cc: linux-arm-kernel@lists.infradead.org,
Arnd Bergmann <arnd@arndb.de>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Mykola Lysenko <mykolal@fb.com>,
Shuah Khan <shuah@kernel.org>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
Alan Maguire <alan.maguire@oracle.com>
Subject: Re: [PATCH bpf-next v5 1/3] btf: allow mmap of vmlinux btf
Date: Thu, 17 Jul 2025 14:17:46 +0100 [thread overview]
Message-ID: <CAN+4W8hsK6FMBon0-J6mAYk1yVsamYL=cHqFkj3syepxiv16Ug@mail.gmail.com> (raw)
In-Reply-To: <g2gqhkunbu43awrofzqb4cs4sxkxg2i4eud6p4qziwrdh67q4g@mtw3d3aqfgmb>
Hi Breno,
Thanks for reaching out.
On Thu, Jul 17, 2025 at 1:39 PM Breno Leitao <leitao@debian.org> wrote:
> Should __pa_symbol() be used instead of virt_to_phys()?
I'm not really well versed with mm in general. Looking around a bit I
found some explanation in [1]. Your suggested fix does make sense to
me based on that.
Let me run the patch against bpf-ci and see what happens.
1: https://lore.kernel.org/all/90667b2b7f773308318261f96ebefd1a67133c4c.1732464395.git.lukas@wunner.de/
Lorenz
next prev parent reply other threads:[~2025-07-17 13:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-20 13:01 [PATCH bpf-next v5 0/3] Allow mmap of /sys/kernel/btf/vmlinux Lorenz Bauer
2025-05-20 13:01 ` [PATCH bpf-next v5 1/3] btf: allow mmap of vmlinux btf Lorenz Bauer
2025-05-22 23:01 ` Shakeel Butt
2025-05-23 17:06 ` Andrii Nakryiko
2025-07-17 12:39 ` Breno Leitao
2025-07-17 13:17 ` Lorenz Bauer [this message]
2025-07-17 14:48 ` Alexei Starovoitov
2025-07-17 15:15 ` Lorenz Bauer
2025-07-17 15:24 ` Alexei Starovoitov
2025-05-20 13:01 ` [PATCH bpf-next v5 2/3] selftests: bpf: add a test for mmapable vmlinux BTF Lorenz Bauer
2025-05-20 13:01 ` [PATCH bpf-next v5 3/3] libbpf: Use mmap to parse vmlinux BTF from sysfs Lorenz Bauer
2025-05-23 17:10 ` [PATCH bpf-next v5 0/3] Allow mmap of /sys/kernel/btf/vmlinux patchwork-bot+netdevbpf
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