From: Tejun Heo <tj@kernel.org>
To: Amery Hung <ameryhung@gmail.com>
Cc: Tejun Heo <tj@kernel.org>, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
Jiri Olsa <jolsa@kernel.org>,
Emil Tsalapatis <emil@etsalapatis.com>,
Ihor Solodrai <ihor.solodrai@linux.dev>,
bpf@vger.kernel.org, sched-ext@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf] bpf: Keep generic __uninit kfunc arguments live
Date: Mon, 14 Sep 2026 21:18:27 -1000 [thread overview]
Message-ID: <15d99d51c32bed6f26b0d3f521e16b53@kernel.org> (raw)
In-Reply-To: <CAMB2axMJ6NJUtDc4xhUbSaqUsRyNXfyWTNTR7SCYyRwiBdoLAg@mail.gmail.com>
Hello, Amery.
On Mon, Sep 14, 2026 at 05:39:04PM -0700, Amery Hung wrote:
> A generic __uninit argument should behave like a helper output buffer:
> generate MEM_UNINIT | MEM_WRITE, validate it as write-only, and mark
> the written range initialized after the kfunc call.
Kumar suggested a similar solution and will drive the fix. Dropping this
patch.
Thanks.
--
tejun
prev parent reply other threads:[~2026-09-15 7:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 23:43 [PATCH bpf] bpf: Keep generic __uninit kfunc arguments live Tejun Heo
2026-09-15 0:39 ` Amery Hung
2026-09-15 7:18 ` Tejun Heo [this message]
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