From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Arjan van de Ven <arjanv@redhat.com>, Dave Hansen <haveblue@us.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: devfs: BKL *not* taken while opening devices
Date: Tue, 30 Apr 2002 11:26:08 -0700 [thread overview]
Message-ID: <52760000.1020191168@flay> (raw)
In-Reply-To: <20020430125214.A19533@devserv.devel.redhat.com>
>> I like the idea. But, while we're at it, does anyone have a good enough
>> grasp of locking the the TTY layer that we can start peeling some of the
>> BKL out of there? Somebody was doing tests over a serial console here
>> and the lockmeter data showed horrible BKL contention and hold times.
>
> I really really doubt that fixing contention will make serial ports go
> faster... it'll just move to another lock since I suspect we're
> just waiting for hardware
No, but it might make other things who are waiting for the BKL go faster.
M.
next prev parent reply other threads:[~2002-04-30 17:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-29 13:13 devfs: BKL *not* taken while opening devices Russell King
2002-04-29 15:30 ` Dave Hansen
2002-04-29 17:21 ` Arjan van de Ven
2002-04-29 17:40 ` Roman Zippel
2002-04-29 17:46 ` Arjan van de Ven
2002-05-02 16:44 ` Alan Cox
2002-04-29 17:52 ` Dave Hansen
2002-04-30 12:45 ` Russell King
2002-04-30 16:42 ` Dave Hansen
2002-04-30 16:52 ` Arjan van de Ven
2002-04-30 16:58 ` Dave Hansen
2002-04-30 18:26 ` Martin J. Bligh [this message]
2002-04-30 17:03 ` Russell King
2002-05-11 0:45 ` Richard Gooch
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=52760000.1020191168@flay \
--to=martin.bligh@us.ibm.com \
--cc=arjanv@redhat.com \
--cc=haveblue@us.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rmk@arm.linux.org.uk \
/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