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From: Chen Yu <yu.c.chen@intel.com>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>,
	<eddyz87@gmail.com>, <memxor@gmail.com>, <mingo@redhat.com>,
	<peterz@infradead.org>, <juri.lelli@redhat.com>,
	<vincent.guittot@linaro.org>, <akpm@linux-foundation.org>,
	<david@kernel.org>, <gourry@gourry.net>, <tj@kernel.org>,
	<hannes@cmpxchg.org>, <mkoutny@suse.com>,
	<shakeel.butt@linux.dev>, <roman.gushchin@linux.dev>,
	<zhao1.liu@intel.com>, <tim.c.chen@linux.intel.com>,
	<lizhe.67@bytedance.com>, <bpf@vger.kernel.org>,
	<linux-mm@kvack.org>, <cgroups@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH v3 bpf-next 1/5] sched: fix stale get_pref_llc() stub for !CONFIG_SCHED_CACHE
Date: Wed, 21 Oct 2026 10:40:02 +0800	[thread overview]
Message-ID: <atgmAsvUt4gvcoga@chenyu-dev> (raw)
In-Reply-To: <20261019064157.29885-2-laoar.shao@gmail.com>

On Mon, Oct 19, 2026 at 02:41:53PM +0800, Yafang Shao wrote:
> Commit b636fef85bda ("sched/cache: Introduce task_struct->sched_cache_grp
> to fix UAF") switched get_pref_llc() from taking a struct mm_struct * to
> taking the task's struct sched_cache_group *, but only updated the
> CONFIG_SCHED_CACHE definition and its caller: the stub in the
> !CONFIG_SCHED_CACHE branch kept the old mm_struct parameter.
>

Ah, right,

Reviewed-by: Chen Yu <yu.c.chen@intel.com>

thanks,
Chenyu

  parent reply	other threads:[~2026-10-21  2:53 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-19  6:41 [RFC PATCH v3 bpf-next 0/5] BPF-based per-cgroup NUMA balancing mode selection Yafang Shao
2026-10-19  6:41 ` [RFC PATCH v3 bpf-next 1/5] sched: fix stale get_pref_llc() stub for !CONFIG_SCHED_CACHE Yafang Shao
2026-10-21  2:23   ` Gregory Price (Meta)
2026-10-21  5:46     ` Yafang Shao
2026-10-21  2:40   ` Chen Yu [this message]
2026-10-19  6:41 ` [RFC PATCH v3 bpf-next 2/5] sched: use static_branch_likely() for the NUMA balancing tick check Yafang Shao
2026-10-21  2:26   ` Gregory Price (Meta)
2026-10-19  6:41 ` [RFC PATCH v3 bpf-next 3/5] sched: add helpers for numa balancing Yafang Shao
2026-10-19  7:14   ` bot+bpf-ci
2026-10-19  6:41 ` [RFC PATCH v3 bpf-next 4/5] sched: add BPF-based per-cgroup NUMA balancing mode selection Yafang Shao
2026-10-19  6:58   ` sashiko-bot
2026-10-19  7:40     ` Yafang Shao
2026-10-19  7:24   ` bot+bpf-ci
2026-10-19  6:41 ` [RFC PATCH v3 bpf-next 5/5] selftests/bpf: add tests for the numab kfuncs Yafang Shao
2026-10-19  6:51   ` sashiko-bot
2026-10-19  6:55     ` Yafang Shao
2026-10-20 16:54 ` [RFC PATCH v3 bpf-next 0/5] BPF-based per-cgroup NUMA balancing mode selection Tejun Heo

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