From: David Vernet <void@manifault.com>
To: Tejun Heo <tj@kernel.org>
Cc: kernel-team@meta.com, linux-kernel@vger.kernel.org, sched-ext@meta.com
Subject: Re: [PATCH 1/5] scx_flatcg: Use a user DSQ for fallback instead of SCX_DSQ_GLOBAL
Date: Wed, 25 Sep 2024 11:45:25 -0500 [thread overview]
Message-ID: <20240925164525.GB26346@maniforge> (raw)
In-Reply-To: <20240925000622.1972325-2-tj@kernel.org>
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On Tue, Sep 24, 2024 at 02:06:03PM -1000, Tejun Heo wrote:
> scx_flatcg was using SCX_DSQ_GLOBAL for fallback handling. However, it is
> assuming that SCX_DSQ_GLOBAL isn't automatically consumed, which was true a
> while ago but is no longer the case. Also, there are further changes planned
> for SCX_DSQ_GLOBAL which will disallow explicit consumption from it. Switch
> to a user DSQ for fallback.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
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next prev parent reply other threads:[~2024-09-25 16:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-25 0:06 [PATCHSET sched_ext/for-6.12-fixes] sched_ext: Split %SCX_DSQ_GLOBAL per-node Tejun Heo
2024-09-25 0:06 ` [PATCH 1/5] scx_flatcg: Use a user DSQ for fallback instead of SCX_DSQ_GLOBAL Tejun Heo
2024-09-25 16:45 ` David Vernet [this message]
2024-09-25 0:06 ` [PATCH 2/5] sched_ext: Allow only user DSQs for scx_bpf_consume(), scx_bpf_dsq_nr_queued() and bpf_iter_scx_dsq_new() Tejun Heo
2024-09-25 17:09 ` David Vernet
2024-09-25 21:04 ` Tejun Heo
2024-09-26 21:36 ` David Vernet
2024-09-25 0:06 ` [PATCH 3/5] sched_ext: Relocate find_user_dsq() Tejun Heo
2024-09-26 21:46 ` David Vernet
2024-09-25 0:06 ` [PATCH 4/5] sched_ext: Split the global DSQ per NUMA node Tejun Heo
2024-09-26 21:56 ` David Vernet
2024-09-25 0:06 ` [PATCH 5/5] sched_ext: Use shorter slice while bypassing Tejun Heo
2024-09-26 22:07 ` David Vernet
2024-09-26 22:55 ` Tejun Heo
2024-09-26 23:00 ` [PATCHSET sched_ext/for-6.12-fixes] sched_ext: Split %SCX_DSQ_GLOBAL per-node Tejun Heo
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