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From: Leon Hwang <leon.hwang@linux.dev>
To: Xu Kuohai <xukuohai@huaweicloud.com>, bpf@vger.kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	toke@redhat.com, martin.lau@kernel.org, yonghong.song@linux.dev,
	puranjay@kernel.org, eddyz87@gmail.com, iii@linux.ibm.com,
	kernel-patches-bot@fb.com
Subject: Re: [PATCH bpf-next 2/4] bpf, arm64: Fix tailcall infinite loop caused by freplace
Date: Tue, 27 Aug 2024 10:23:17 +0800	[thread overview]
Message-ID: <0900df03-b1cd-41fb-be04-278e135cc730@linux.dev> (raw)
In-Reply-To: <a9ce98d0-adfb-4ed9-8500-f378fe44d634@huaweicloud.com>



On 26/8/24 22:32, Xu Kuohai wrote:
> On 8/25/2024 9:09 PM, Leon Hwang wrote:
>> Like "bpf, x64: Fix tailcall infinite loop caused by freplace", the same
>> issue happens on arm64, too.
>>

[...]

> 
> This patch makes arm64 jited prologue even more complex. I've posted a
> series [1]
> to simplify the arm64 jited prologue/epilogue. I think we can fix this
> issue based
> on [1]. I'll give it a try.
> 
> [1]
> https://lore.kernel.org/bpf/20240826071624.350108-1-xukuohai@huaweicloud.com/
> 

Your patch series seems great. We can fix it based on it.

Please notify me if you have a successful try.

Thanks,
Leon

  reply	other threads:[~2024-08-27  2:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-25 13:09 [PATCH bpf-next 0/4] bpf: Fix tailcall infinite loop caused by freplace Leon Hwang
2024-08-25 13:09 ` [PATCH bpf-next 1/4] bpf, x64: " Leon Hwang
2024-08-27 10:37   ` Eduard Zingerman
2024-08-27 12:48     ` Leon Hwang
2024-08-27 20:50       ` Alexei Starovoitov
2024-08-28  2:36         ` Leon Hwang
2024-08-28 16:01           ` Alexei Starovoitov
2024-08-29  2:14             ` Leon Hwang
2024-09-02 10:19         ` Toke Høiland-Jørgensen
2024-09-02 16:33           ` Vincent Li
2024-08-25 13:09 ` [PATCH bpf-next 2/4] bpf, arm64: " Leon Hwang
2024-08-26 14:32   ` Xu Kuohai
2024-08-27  2:23     ` Leon Hwang [this message]
2024-08-30  7:37       ` Xu Kuohai
2024-08-30  9:08         ` Leon Hwang
2024-08-30 10:00           ` Xu Kuohai
2024-08-30 12:11             ` Leon Hwang
2024-08-30 16:03               ` Alexei Starovoitov
2024-09-05  9:13         ` Puranjay Mohan
2024-09-06 14:32           ` Leon Hwang
2024-09-06 15:24             ` Alexei Starovoitov
2024-09-07  7:03               ` Xu Kuohai
2024-08-25 13:09 ` [PATCH bpf-next 3/4] selftests/bpf: Add testcases for another tailcall infinite loop fixing Leon Hwang
2024-08-25 13:09 ` [PATCH bpf-next 4/4] selftests/bpf: Fix verifier tailcall jit selftest Leon Hwang

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