From: Tejun Heo <tj@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Linux PM <linux-pm@vger.kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Nathan Chancellor <nathan@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Naohiro.Aota@wdc.com, kernel-team@meta.com
Subject: Re: [PATCH v1] PM: sleep: Restore asynchronous device resume optimization
Date: Thu, 8 Feb 2024 14:20:21 -1000 [thread overview]
Message-ID: <ZcVvxbKOlrWmmyhS@slm.duckdns.org> (raw)
In-Reply-To: <8c468452-1b00-438a-b634-eeccc35d9a41@samsung.com>
Hello,
On Thu, Feb 08, 2024 at 08:47:12AM +0100, Marek Szyprowski wrote:
> I've tried to get drgn running on the test target, but then I've noticed
> that it is not possible to run it on ARM 32bit target, as it requires
> PROC_KCORE support, which is 'Visible if: PROC_FS [=y] && MMU [=y] &&
> !ARM [=y]' for some reasons.
Bummer. I instrumented code on my test setup (x86) and couldn't repro usage
of the dfl_pwq, unfortuantely.
Independent of understanding what's going on with the system_unbound_wq, the
correct solution seems like using a dedicated workqueue with raised
min_active. Just posted the patchset to do that:
http://lkml.kernel.org/r/ZcVtzJvJCRV5OLM-@slm.duckdns.org
Thanks.
--
tejun
next prev parent reply other threads:[~2024-02-09 0:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20240207103144eucas1p16b601a73ff347d2542f8380b25921491@eucas1p1.samsung.com>
2024-01-09 16:59 ` [PATCH v1] PM: sleep: Restore asynchronous device resume optimization Rafael J. Wysocki
2024-01-10 10:37 ` Stanislaw Gruszka
2024-01-10 12:33 ` Rafael J. Wysocki
2024-01-10 14:05 ` Stanislaw Gruszka
2024-01-11 7:58 ` Stanislaw Gruszka
2024-01-11 12:01 ` Rafael J. Wysocki
2024-02-07 10:31 ` Marek Szyprowski
2024-02-07 10:38 ` Rafael J. Wysocki
2024-02-07 11:16 ` Marek Szyprowski
2024-02-07 11:25 ` Rafael J. Wysocki
2024-02-07 16:39 ` Tejun Heo
2024-02-07 18:41 ` Rafael J. Wysocki
2024-02-07 18:55 ` Marek Szyprowski
2024-02-07 18:58 ` Tejun Heo
2024-02-07 19:48 ` Tejun Heo
2024-02-07 19:54 ` Rafael J. Wysocki
2024-02-07 21:30 ` Marek Szyprowski
2024-02-07 21:35 ` Tejun Heo
2024-02-08 7:47 ` Marek Szyprowski
2024-02-09 0:20 ` Tejun Heo [this message]
2024-02-12 14:57 ` Rafael J. Wysocki
2024-02-07 10:59 ` Rafael J. Wysocki
2024-02-10 14:04 ` Konrad Dybcio
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