From: David Woodhouse <dwmw2@infradead.org>
To: Brian Strand <bstrand@switchmanagement.com>
Cc: Wayne Cuddy <wcuddy@crb-web.com>,
Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: Synchronization Techniques in 2.2 Kernel
Date: Thu, 27 Sep 2001 22:07:24 +0100 [thread overview]
Message-ID: <19474.1001624844@redhat.com> (raw)
In-Reply-To: <3BB38D4E.5000100@switchmanagement.com>
In-Reply-To: <3BB38D4E.5000100@switchmanagement.com> <20010927141238.E5125@crb-web.com>
bstrand@switchmanagement.com said:
> I apologize in advance if this is not quite right, having only done
> "hello world" kernel modules thus far (plus a good deal of kernel
> source browsing). I think you need to "unfold" the
> interruptible_sleep_on call and do it yourself by adding current to
> the wait queue before checking any cards, setting current->state =
> TASK_INTERRUPTIBLE, then checking all cards and if none has data,
> calling schedule.
You're right. It is very difficult to use sleep_on() and friends safely,
and for that reason the plan is (or at least _has_ been) to take them all
away in 2.5.
--
dwmw2
prev parent reply other threads:[~2001-09-27 21:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-27 19:12 Synchronization Techniques in 2.2 Kernel Wayne Cuddy
2001-09-27 20:34 ` Brian Strand
2001-09-27 21:07 ` David Woodhouse [this message]
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=19474.1001624844@redhat.com \
--to=dwmw2@infradead.org \
--cc=bstrand@switchmanagement.com \
--cc=linux-kernel@vger.kernel.org \
--cc=wcuddy@crb-web.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.