From: Allen <allen.lkml@gmail.com>
To: Christian Loehle <christian.loehle@arm.com>
Cc: Allen Pais <apais@linux.microsoft.com>,
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Subject: Re: [PATCH 9/9] mmc: Convert from tasklet to BH workqueue
Date: Thu, 28 Mar 2024 10:47:06 -0700 [thread overview]
Message-ID: <CAOMdWSL9GUkoOOX4LNwMOV24-8xnmFKep15xj8NnmnBss-RYAQ@mail.gmail.com> (raw)
In-Reply-To: <9c31b697-3d80-407a-82b3-cfbb19fafb31@arm.com>
On Thu, Mar 28, 2024 at 3:16 AM Christian Loehle
<christian.loehle@arm.com> wrote:
>
> On 27/03/2024 16:03, Allen Pais wrote:
> > The only generic interface to execute asynchronously in the BH context is
> > tasklet; however, it's marked deprecated and has some design flaws. To
> > replace tasklets, BH workqueue support was recently added. A BH workqueue
> > behaves similarly to regular workqueues except that the queued work items
> > are executed in the BH context.
> >
> > This patch converts drivers/infiniband/* from tasklet to BH workqueue.
> s/infiniband/mmc
Will fix it in v2.
> >
> > Based on the work done by Tejun Heo <tj@kernel.org>
> > Branch: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-6.10
> >
> > Signed-off-by: Allen Pais <allen.lkml@gmail.com>
> > ---
> > drivers/mmc/host/atmel-mci.c | 35 ++++-----
> > drivers/mmc/host/au1xmmc.c | 37 ++++-----
> > drivers/mmc/host/cb710-mmc.c | 15 ++--
> > drivers/mmc/host/cb710-mmc.h | 3 +-
> > drivers/mmc/host/dw_mmc.c | 25 ++++---
> > drivers/mmc/host/dw_mmc.h | 9 ++-
> For dw_mmc:
> Performance numbers look good FWIW.
> for i in $(seq 0 5); do echo performance > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor; done
> for i in $(seq 0 4); do fio --name=test --rw=randread --bs=4k --runtime=30 --time_based --filename=/dev/mmcblk1 --minimal --numjobs=6 --iodepth=32 --group_reporting | awk -F ";" '{print $8}'; sleep 30; done
> Baseline:
> 1758
> 1773
> 1619
> 1835
> 1639
> to:
> 1743
> 1643
> 1860
> 1638
> 1872
> (I'd call that equivalent).
> This is on a RK3399.
> I would prefer most of the naming to change from "work" to "workqueue" in the driver
> code.
> Apart from that:
> Reviewed-by: Christian Loehle <christian.loehle@arm.com>
> Tested-by: Christian Loehle <christian.loehle@arm.com>
Thank you very much for testing and the review. Will have your
concerns addressed in v2.
- Allen
next prev parent reply other threads:[~2024-03-28 17:47 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-27 16:03 [PATCH 0/9] Convert Tasklets to BH Workqueues Allen Pais
2024-03-27 16:03 ` [PATCH 1/9] hyperv: Convert from tasklet to BH workqueue Allen Pais
2024-04-03 16:43 ` Allen
2024-03-27 16:03 ` [PATCH 2/9] dma: " Allen Pais
2024-03-28 5:55 ` Vinod Koul
2024-03-28 10:08 ` Arnd Bergmann
2024-03-28 18:31 ` Vinod Koul
2024-03-28 19:39 ` Allen
2024-03-28 19:49 ` Arnd Bergmann
2024-03-28 20:01 ` Allen
2024-03-29 16:38 ` Vinod Koul
2024-03-29 16:39 ` Vinod Koul
2024-03-28 17:49 ` Allen
2024-04-02 12:25 ` Linus Walleij
2024-04-02 13:11 ` Vinod Koul
2024-03-27 16:03 ` [PATCH 3/9] IB: " Allen Pais
2024-04-07 18:56 ` Zhu Yanjun
2024-03-27 16:03 ` [PATCH 4/9] USB: " Allen Pais
2024-03-27 16:20 ` Duncan Sands
2024-03-27 16:55 ` Greg KH
2024-03-27 16:58 ` Allen
2024-03-27 17:55 ` Alan Stern
2024-03-28 17:54 ` Allen
2024-03-27 16:03 ` [PATCH 5/9] mailbox: " Allen Pais
2024-03-27 16:03 ` [PATCH 6/9] ipmi: " Allen Pais
2024-03-27 17:58 ` Corey Minyard
2024-03-28 17:52 ` Allen
2024-03-28 19:23 ` Corey Minyard
2024-03-28 19:41 ` Allen
2024-03-28 19:52 ` Corey Minyard
2024-03-28 19:58 ` Allen
2024-03-27 16:03 ` [PATCH 7/9] s390: " Allen Pais
2024-04-02 12:48 ` Alexandra Winter
2024-04-03 13:33 ` Allen
2024-04-08 9:33 ` Heiko Carstens
2024-04-08 10:03 ` Harald Freudenberger
2024-03-27 16:03 ` [PATCH 8/9] drivers/media/*: " Allen Pais
2024-04-24 9:12 ` Hans Verkuil
2024-04-24 16:48 ` Allen Pais
2024-03-27 16:03 ` [PATCH 9/9] mmc: " Allen Pais
2024-03-27 19:35 ` Jernej Škrabec
2024-03-28 10:16 ` Christian Loehle
2024-03-28 17:47 ` Allen [this message]
2024-03-28 12:53 ` Ulf Hansson
2024-03-28 13:37 ` Linus Walleij
2024-03-28 16:21 ` Tejun Heo
2024-04-02 10:15 ` Ulf Hansson
2024-04-05 9:28 ` Michał Mirosław
2024-06-03 12:38 ` Aubin Constans
2024-06-03 17:25 ` Allen Pais
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