linux-block.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@infradead.org>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: axboe@kernel.dk, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH] block/umem: convert tasklet to threaded irq
Date: Tue, 23 Mar 2021 17:24:37 +0000	[thread overview]
Message-ID: <20210323172437.GA2463754@infradead.org> (raw)
In-Reply-To: <20210323004856.10206-1-dave@stgolabs.net>

On Mon, Mar 22, 2021 at 05:48:56PM -0700, Davidlohr Bueso wrote:
> Tasklets have long been deprecated as being too heavy on the system
> by running in irq context - and this is not a performance critical
> path. If a higher priority process wants to run, it must wait for
> the tasklet to finish before doing so. A more suitable equivalent
> is to converted to threaded irq instead and deal with the async
> processing in task context.

I'm really curious if this driver is still in use at all, or if we
can drop it.

  reply	other threads:[~2021-03-23 17:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23  0:48 [PATCH] block/umem: convert tasklet to threaded irq Davidlohr Bueso
2021-03-23 17:24 ` Christoph Hellwig [this message]
2021-03-23 17:27   ` Jens Axboe
2021-03-23 17:55     ` Davidlohr Bueso
2021-03-23 19:07     ` [PATCH] drivers/block: Goodbye BLK_DEV_UMEM Davidlohr Bueso
2021-03-23 19:16       ` Davidlohr Bueso
2021-03-23 21:17         ` NeilBrown
2021-03-24 12:58       ` Jens Axboe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210323172437.GA2463754@infradead.org \
    --to=hch@infradead.org \
    --cc=axboe@kernel.dk \
    --cc=dave@stgolabs.net \
    --cc=dbueso@suse.de \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).