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From: Song Liu <songliubraving@fb.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: bpf <bpf@vger.kernel.org>, Networking <netdev@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrii Nakryiko <andrii@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Kernel Team <Kernel-team@fb.com>,
	Christoph Hellwig <hch@infradead.org>,
	Peter Zijlstra <peterz@infradead.org>, Song Liu <song@kernel.org>
Subject: Re: [PATCH bpf v2 0/3] bpf: invalidate unused part of bpf_prog_pack
Date: Wed, 27 Apr 2022 22:10:29 +0000	[thread overview]
Message-ID: <FF2E0EC1-F9D6-4196-8887-919207BDC599@fb.com> (raw)
In-Reply-To: <20220425203947.3311308-1-song@kernel.org>

Hi Linus,

> On Apr 25, 2022, at 1:39 PM, Song Liu <song@kernel.org> wrote:
> 
> Note: while prefixed with "bpf", this set is based on Linus' master branch.
> 
> This is v2 of [1]. It is revised based on Peter's feedback. The patch is
> also split into 3.
> 
> [1] https://lore.kernel.org/linux-mm/20220421072212.608884-1-song@kernel.org/

Could you please share your suggestions on this set? Shall we ship it 
with 5.18?

Thanks,
Song

> 
> Song Liu (3):
>  bpf: fill new bpf_prog_pack with illegal instructions
>  x86/alternative: introduce text_poke_set
>  bpf: introduce bpf_arch_text_invalidate for bpf_prog_pack
> 
> arch/x86/include/asm/text-patching.h |  1 +
> arch/x86/kernel/alternative.c        | 70 ++++++++++++++++++++++++----
> arch/x86/net/bpf_jit_comp.c          |  5 ++
> include/linux/bpf.h                  |  1 +
> kernel/bpf/core.c                    | 18 +++++--
> 5 files changed, 81 insertions(+), 14 deletions(-)
> 
> --
> 2.30.2


  parent reply	other threads:[~2022-04-27 22:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-25 20:39 [PATCH bpf v2 0/3] bpf: invalidate unused part of bpf_prog_pack Song Liu
2022-04-25 20:39 ` [PATCH v2 bpf 1/3] bpf: fill new bpf_prog_pack with illegal instructions Song Liu
2022-04-25 20:39 ` [PATCH v2 bpf 2/3] x86/alternative: introduce text_poke_set Song Liu
2022-04-25 20:39 ` [PATCH v2 bpf 3/3] bpf: introduce bpf_arch_text_invalidate for bpf_prog_pack Song Liu
2022-04-27 22:10 ` Song Liu [this message]
2022-04-28  1:45   ` [PATCH bpf v2 0/3] bpf: invalidate unused part of bpf_prog_pack Linus Torvalds
2022-04-28  6:48     ` Song Liu
2022-05-07  6:50       ` Song Liu
2022-05-07 19:36         ` Song Liu

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