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From: Peter Zijlstra <peterz@infradead.org>
To: Song Liu <songliubraving@fb.com>
Cc: Song Liu <song@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Luis Chamberlain <mcgrof@kernel.org>,
	"Torvalds, Linus" <torvalds@linux-foundation.org>,
	"Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
	Kernel Team <Kernel-team@fb.com>
Subject: Re: [PATCH bpf-next 2/5] x86/alternative: introduce text_poke_set
Date: Wed, 18 May 2022 09:45:55 +0200	[thread overview]
Message-ID: <20220518074555.GC10117@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <8370EC6E-C01F-496C-8B7C-D13EF9C474C5@fb.com>

On Wed, May 18, 2022 at 06:58:46AM +0000, Song Liu wrote:
> Hi Peter, 
> 
> > On May 15, 2022, at 10:40 PM, Song Liu <song@kernel.org> wrote:
> > 
> > Introduce a memset like API for text_poke. This will be used to fill the
> > unused RX memory with illegal instructions.
> > 
> > Suggested-by: Peter Zijlstra <peterz@infradead.org>
> > Signed-off-by: Song Liu <song@kernel.org>
> 
> Could you please share your comments on this? 

I wrote it; it must be good! What specifically you want to know?

  reply	other threads:[~2022-05-18  7:46 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-16  5:40 [PATCH bpf-next 0/5] bpf_prog_pack followup Song Liu
2022-05-16  5:40 ` [PATCH bpf-next 1/5] bpf: fill new bpf_prog_pack with illegal instructions Song Liu
2022-05-16  5:40 ` [PATCH bpf-next 2/5] x86/alternative: introduce text_poke_set Song Liu
2022-05-17 19:16   ` Edgecombe, Rick P
2022-05-17 21:09     ` Song Liu
2022-05-18  6:58   ` Song Liu
2022-05-18  7:45     ` Peter Zijlstra [this message]
2022-05-18 15:32       ` Song Liu
2022-05-18 17:09   ` Peter Zijlstra
2022-05-18 18:34     ` Song Liu
2022-05-19  7:38       ` Peter Zijlstra
2022-05-16  5:40 ` [PATCH bpf-next 3/5] bpf: introduce bpf_arch_text_invalidate for bpf_prog_pack Song Liu
2022-05-16  5:40 ` [PATCH bpf-next 4/5] module: introduce module_alloc_huge Song Liu
2022-05-18  6:28   ` Song Liu
2022-05-16  5:40 ` [PATCH bpf-next 5/5] bpf: use module_alloc_huge for bpf_prog_pack Song Liu
2022-05-17 19:15   ` Edgecombe, Rick P
2022-05-17 21:08     ` Song Liu
2022-05-17 23:58       ` Edgecombe, Rick P
2022-05-18  6:25         ` Song Liu
2022-05-18  6:34         ` Song Liu
2022-05-18 16:49           ` Edgecombe, Rick P
2022-05-18 18:31             ` Song Liu
2022-05-19  6:42         ` Song Liu
2022-05-19 16:56           ` Edgecombe, Rick P
2022-05-19 18:25             ` Song Liu

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