From: Max Krasnyansky <maxk@qualcomm.com>
To: "Adam J. Richter" <adam@yggdrasil.com>, rusty@rustcorp.com.au
Cc: linux-kernel@vger.kernel.org
Subject: Re: Another idea for simplifying locking in kernel/module.c
Date: Thu, 09 Jan 2003 12:41:39 -0800 [thread overview]
Message-ID: <5.1.0.14.2.20030109124002.079f1228@mail1.qualcomm.com> (raw)
In-Reply-To: <200301070853.AAA04065@baldur.yggdrasil.com>
At 12:53 AM 1/7/2003 -0800, Adam J. Richter wrote:
>I wrote:
>> Here is a way to replace all of the specialized "stop CPU"
>>locking code in kernel/module.c with an rw_semaphore by using
>>down_read_trylock in try_module_get() and down_write when beginning to
>>unload the module.
>>
>> The following UNTESTED patch, a net deletion of 136 lines,
>
> I am running that patch now on two computers. It seems to
>be OK.
>
> Rusty, I'd be interested in knowing what you think of the
>patch (likewise for other lkml readers).
We have to be able to call try_module_get() from interrupt context.
Max
next prev parent reply other threads:[~2003-01-09 20:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-07 8:53 Adam J. Richter
2003-01-09 20:41 ` Max Krasnyansky [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-10 12:18 Adam J. Richter
2003-01-10 11:16 Adam J. Richter
2003-01-11 3:53 ` Rusty Russell
2003-01-10 9:38 Adam J. Richter
2003-01-10 9:10 Adam J. Richter
2003-01-10 9:38 ` Andre Hedrick
2003-01-10 10:15 ` Rusty Russell
2003-01-11 14:46 ` Bill Davidsen
2003-01-10 10:11 ` Rusty Russell
2003-01-07 2:19 Adam J. Richter
2003-01-08 11:46 ` Rusty Russell
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=5.1.0.14.2.20030109124002.079f1228@mail1.qualcomm.com \
--to=maxk@qualcomm.com \
--cc=adam@yggdrasil.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
/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
all inboxes | Powered by JetHome®