From: Catalin Marinas <catalin.marinas@arm.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Puranjay Mohan <puranjay12@gmail.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
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@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Zi Shen Lim <zlim.lnx@gmail.com>,
Will Deacon <will@kernel.org>, bpf <bpf@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>
Subject: Re: [PATCH bpf-next v3 1/2] arm64: stacktrace: Implement arch_bpf_stack_walk() for the BPF JIT
Date: Tue, 27 Feb 2024 18:01:56 +0000 [thread overview]
Message-ID: <Zd4jlPW2H7EvdlfM@arm.com> (raw)
In-Reply-To: <CAADnVQLGGTshMiQAWwJ9UzrEVDR4Z8yk+ki9pUqKLgcH0DRAjA@mail.gmail.com>
On Thu, Feb 22, 2024 at 06:04:35PM -0800, Alexei Starovoitov wrote:
> On Thu, Feb 22, 2024 at 11:28 AM Catalin Marinas
> <catalin.marinas@arm.com> wrote:
> > On Thu, Feb 01, 2024 at 12:52:24PM +0000, Puranjay Mohan wrote:
> > > This will be used by bpf_throw() to unwind till the program marked as
> > > exception boundary and run the callback with the stack of the main
> > > program.
> > >
> > > This is required for supporting BPF exceptions on ARM64.
> > >
> > > Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
> > > ---
> > > arch/arm64/kernel/stacktrace.c | 26 ++++++++++++++++++++++++++
> > > 1 file changed, 26 insertions(+)
[...]
> > I guess you want this to be merged via the bpf tree?
>
> We typically take bpf jit patches through bpf-next, since
> we do cross arch jits refactoring from time to time,
> but nothing like this is pending for this merge window,
> so if you want it to go through arm64 tree that's fine with us.
I don't have any preference. I can add it on top of the other arm64
patches if there are no dependencies on it from your side.
--
Catalin
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-02-27 18:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-01 12:52 [PATCH bpf-next v3 0/2] bpf, arm64: Support Exceptions Puranjay Mohan
2024-02-01 12:52 ` [PATCH bpf-next v3 1/2] arm64: stacktrace: Implement arch_bpf_stack_walk() for the BPF JIT Puranjay Mohan
2024-02-22 19:28 ` Catalin Marinas
2024-02-23 2:04 ` Alexei Starovoitov
2024-02-27 18:01 ` Catalin Marinas [this message]
2024-02-27 18:10 ` Catalin Marinas
2024-02-27 21:57 ` Alexei Starovoitov
2024-02-01 12:52 ` [PATCH bpf-next v3 2/2] bpf, arm64: support exceptions Puranjay Mohan
2024-02-20 22:12 ` [PATCH bpf-next v3 0/2] bpf, arm64: Support Exceptions Kumar Kartikeya Dwivedi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Zd4jlPW2H7EvdlfM@arm.com \
--to=catalin.marinas@arm.com \
--cc=alexei.starovoitov@gmail.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=haoluo@google.com \
--cc=john.fastabend@gmail.com \
--cc=jolsa@kernel.org \
--cc=kpsingh@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=martin.lau@linux.dev \
--cc=memxor@gmail.com \
--cc=puranjay12@gmail.com \
--cc=sdf@google.com \
--cc=song@kernel.org \
--cc=will@kernel.org \
--cc=yonghong.song@linux.dev \
--cc=zlim.lnx@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).