From: Ulf Hansson <ulf.hansson@linaro.org>
To: linux-mmc <linux-mmc@vger.kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Shawn Lin <shawn.lin@rock-chips.com>,
Christian Lohle <CLoehle@hyperstone.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/3] mmc: core: Avoid hogging the CPU while polling for busy
Date: Wed, 4 Aug 2021 13:34:47 +0200 [thread overview]
Message-ID: <CAPDyKFo78aJgcajxL6fcPb7xB16R_S6VyuwEp7tG84+CPSkKTw@mail.gmail.com> (raw)
In-Reply-To: <20210702134229.357717-1-ulf.hansson@linaro.org>
On Fri, 2 Jul 2021 at 15:42, Ulf Hansson <ulf.hansson@linaro.org> wrote:
>
> Step by step, code that have been dealing sending CMD13 to poll the card for
> busy, have been moved to use the common mmc_poll_for_busy() loop. This helps to
> avoid hogging the CPU, for example, as it inserts a small delay in between each
> polling attempt. Additionally, it avoids open coding.
>
> This series takes the next and final step, by moving the mmc block device layer
> from its own busy polling loop, into using the common code.
>
> Please test and review!
>
> Kind regards
> Uffe
>
> Ulf Hansson (3):
> mmc: core: Avoid hogging the CPU while polling for busy in the I/O err
> path
> mmc: core: Avoid hogging the CPU while polling for busy for mmc ioctls
> mmc: core: Avoid hogging the CPU while polling for busy after I/O
> writes
>
> drivers/mmc/core/block.c | 74 +++++++++++++++++---------------------
> drivers/mmc/core/mmc_ops.c | 5 ++-
> drivers/mmc/core/mmc_ops.h | 1 +
> 3 files changed, 37 insertions(+), 43 deletions(-)
>
This series has been applied for next. If you encounter any
regressions (performance related as well), please report them!
Kind regards
Uffe
prev parent reply other threads:[~2021-08-04 11:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-02 13:42 [PATCH 0/3] mmc: core: Avoid hogging the CPU while polling for busy Ulf Hansson
2021-07-02 13:42 ` [PATCH 1/3] mmc: core: Avoid hogging the CPU while polling for busy in the I/O err path Ulf Hansson
2021-07-02 13:42 ` [PATCH 2/3] mmc: core: Avoid hogging the CPU while polling for busy for mmc ioctls Ulf Hansson
2021-07-02 13:42 ` [PATCH 3/3] mmc: core: Avoid hogging the CPU while polling for busy after I/O writes Ulf Hansson
2021-07-06 7:05 ` [PATCH 0/3] mmc: core: Avoid hogging the CPU while polling for busy Shawn Lin
2021-08-04 11:34 ` Ulf Hansson [this message]
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