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 Another idea for simplifying locking in kernel/module.c 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
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