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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Hou Tao <houtao@huaweicloud.com>
Cc: bpf@vger.kernel.org, Song Liu <songliubraving@fb.com>,
	Hao Sun <sunhao.th@gmail.com>,
	Andrii Nakryiko <andrii@kernel.org>, Yonghong Song <yhs@fb.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, KP Singh <kpsingh@kernel.org>,
	"David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
	Jiri Olsa <jolsa@kernel.org>,
	John Fastabend <john.fastabend@gmail.com>,
	Lorenz Bauer <oss@lmb.io>,
	houtao1@huawei.com
Subject: Re: [PATCH 1/3] bpf: Disable preemption when increasing per-cpu map_locked
Date: Mon, 22 Aug 2022 17:30:18 +0200	[thread overview]
Message-ID: <YwOhCnLfpJLj0JH3@linutronix.de> (raw)
In-Reply-To: <28f33042-2c86-87e9-bfdb-5bc312f06f71@huaweicloud.com>

On 2022-08-22 20:09:47 [+0800], Hou Tao wrote:
> Hi,
Hi,

> > But isn't the RT case still affected by the very same problem?
> As said in patch 0, the CONFIG_PREEMPT_RT && non-preallocated case is fixed in
> patch 2.

ups, sorry.

Sebastian

  reply	other threads:[~2022-08-22 15:31 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-21  3:32 [PATCH 0/3] fixes for concurrent htab updates Hou Tao
2022-08-21  3:32 ` [PATCH 1/3] bpf: Disable preemption when increasing per-cpu map_locked Hou Tao
2022-08-21 16:42   ` Hao Luo
2022-08-22  1:27     ` Hou Tao
2022-08-22  3:21       ` Hao Luo
2022-08-22 12:07         ` Hou Tao
2022-08-22 18:01           ` Hao Luo
2022-08-23  0:56             ` Hao Luo
2022-08-23  1:29               ` Alexei Starovoitov
2022-08-23  2:57                 ` Hou Tao
2022-08-23  4:50                   ` Alexei Starovoitov
2022-08-23  6:41                     ` Hou Tao
2022-08-23  2:54               ` Hou Tao
2022-08-22  8:13   ` Sebastian Andrzej Siewior
2022-08-22 12:09     ` Hou Tao
2022-08-22 15:30       ` Sebastian Andrzej Siewior [this message]
2022-08-21  3:32 ` [PATCH 2/3] bpf: Allow normally concurrent map updates for !htab_use_raw_lock() case Hou Tao
2022-08-21  3:32 ` [PATCH 3/3] bpf: Propagate error from htab_lock_bucket() to userspace Hou Tao
2022-08-22  1:21 ` [PATCH 0/3] fixes for concurrent htab updates Hou Tao

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