From: Shakeel Butt <shakeel.butt@linux.dev>
To: JP Kobryn <inwardvessel@gmail.com>
Cc: "Johannes Weiner" <hannes@cmpxchg.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Tejun Heo" <tj@kernel.org>, "Michal Hocko" <mhocko@kernel.org>,
"Roman Gushchin" <roman.gushchin@linux.dev>,
"Muchun Song" <muchun.song@linux.dev>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Alexei Starovoitov" <ast@kernel.org>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
"Michal Koutný" <mkoutny@suse.com>,
"Harry Yoo" <harry.yoo@oracle.com>,
"Yosry Ahmed" <yosry.ahmed@linux.dev>,
bpf@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Meta kernel team" <kernel-team@meta.com>
Subject: Re: [PATCH 2/3] cgroup: make css_rstat_updated nmi safe
Date: Wed, 11 Jun 2025 06:56:48 -0700 [thread overview]
Message-ID: <oiwsbn4bo566rzxgcjkelufp657iog2hxiqthxow663cqh44dk@lev4vkh2emjb> (raw)
In-Reply-To: <9cf00007-f068-4ced-8977-f39a792eef6a@gmail.com>
On Tue, Jun 10, 2025 at 10:23:51PM -0700, JP Kobryn wrote:
>
> The subsystem per-cpu locks were used to synchronize updater and flusher
> on a given cpu. Since you no longer use them on the updater side, it
> seems these locks can be removed altogether.
Indeed you are right, thanks for the suggestion.
next prev parent reply other threads:[~2025-06-11 13:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-09 22:56 [PATCH 0/3] cgroup: nmi safe css_rstat_updated Shakeel Butt
2025-06-09 22:56 ` [PATCH 1/3] cgroup: support to enable nmi-safe css_rstat_updated Shakeel Butt
2025-06-09 22:56 ` [PATCH 2/3] cgroup: make css_rstat_updated nmi safe Shakeel Butt
2025-06-10 21:26 ` Tejun Heo
2025-06-10 22:31 ` Shakeel Butt
2025-06-10 22:39 ` Tejun Heo
2025-06-10 23:28 ` Shakeel Butt
2025-06-10 23:33 ` Tejun Heo
2025-06-11 5:23 ` JP Kobryn
2025-06-11 13:56 ` Shakeel Butt [this message]
2025-06-09 22:56 ` [PATCH 3/3] memcg: cgroup: call memcg_rstat_updated irrespective of in_nmi() Shakeel Butt
2025-06-09 23:44 ` [PATCH 0/3] cgroup: nmi safe css_rstat_updated Andrew Morton
2025-06-09 23:51 ` Shakeel Butt
2025-06-10 10:53 ` Michal Koutný
2025-06-10 16:24 ` Shakeel Butt
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