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From: patchwork-bot+netdevbpf@kernel.org
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: bpf@vger.kernel.org, jolsa@kernel.org, ast@kernel.org,
	daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com,
	memxor@gmail.com, martin.lau@linux.dev, song@kernel.org,
	yonghong.song@linux.dev, emil@etsalapatis.com,
	ihor.solodrai@linux.dev, shuah@kernel.org, jakub@cloudflare.com,
	mingo@kernel.org, phoenix500526@163.com, peterz@infradead.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH bpf v2 1/2] libbpf: Fix usdt attach failure when nop10 crosses page boundary
Date: Tue, 25 Aug 2026 22:08:27 +0000	[thread overview]
Message-ID: <178769570714.4034253.13134837502022384543.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260825150444.31603-1-jiayuan.chen@linux.dev>

Hello:

This series was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Tue, 25 Aug 2026 23:04:33 +0800 you wrote:
> The kernel refuses to attach to a nop10 that crosses a page boundary,
> since it can't be atomically rewritten:
> 
> 	/* can_optimize(), arch/x86/kernel/uprobes.c */
> 	/* We can't do cross page atomic writes yet. */
> 	return PAGE_SIZE - (vaddr & ~PAGE_MASK) >= OPT_INSN_SIZE;
> 
> [...]

Here is the summary with links:
  - [bpf,v2,1/2] libbpf: Fix usdt attach failure when nop10 crosses page boundary
    https://git.kernel.org/bpf/bpf-next/c/8b94878b2572
  - [bpf,v2,2/2] selftests/bpf: Add test for usdt probe with page-crossing nop10
    https://git.kernel.org/bpf/bpf-next/c/1555de33018f

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2026-08-25 22:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-25 15:04 Jiayuan Chen
2026-08-25 15:04 ` [PATCH bpf v2 2/2] selftests/bpf: Add test for usdt probe with page-crossing nop10 Jiayuan Chen
2026-08-25 18:39 ` [PATCH bpf v2 1/2] libbpf: Fix usdt attach failure when nop10 crosses page boundary Andrii Nakryiko
2026-08-25 22:08 ` patchwork-bot+netdevbpf [this message]

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