From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@muc.de>, linux-kernel@vger.kernel.org
Subject: Re: [patch] remove the BKL (Big Kernel Lock), this time for real
Date: Thu, 16 Sep 2004 11:17:58 +1000 [thread overview]
Message-ID: <4148E9C6.9010001@yahoo.com.au> (raw)
In-Reply-To: <20040915201158.GA18915@elte.hu>
Ingo Molnar wrote:
> code using lock_kernel()/unlock_kernel() will see very similar semantics
> as they got from the BKL, so correctness should be fully preserved.
> Per-CPU assumptions still work, locking exclusion and lock-recursion
> still works the same way as it did with the BKL.
>
Hi Ingo,
One change is that lock_kernel now sleeps, while it previously didn't, I
think?
Is this going to be a problem? Or have you checked the remaining bkl users
to ensure this is OK? Am I on drugs? :)
Nick
next prev parent reply other threads:[~2004-09-16 1:18 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2EJTp-7bx-1@gated-at.bofh.it>
2004-09-15 15:46 ` [patch] remove the BKL (Big Kernel Lock), this time for real Andi Kleen
2004-09-15 15:58 ` Ingo Molnar
2004-09-15 20:11 ` Ingo Molnar
2004-09-16 1:17 ` Nick Piggin [this message]
2004-09-16 14:28 ` Bill Davidsen
2004-09-16 22:29 ` Bill Huey
2004-09-16 22:40 ` David S. Miller
2004-09-16 22:51 ` Bill Huey
2004-09-16 22:54 ` David S. Miller
2004-09-16 23:01 ` Bill Huey
2004-09-16 23:33 ` William Lee Irwin III
2004-09-17 6:43 ` Ingo Molnar
2004-09-17 7:21 ` Tony Lee
2004-09-18 5:44 Manfred Spraul
2004-09-18 13:09 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2004-09-15 15:18 Ingo Molnar
2004-09-15 15:40 ` Linus Torvalds
2004-09-15 15:55 ` Ingo Molnar
2004-09-15 17:04 ` Ricky Beam
2004-09-15 19:39 ` Ingo Molnar
2004-09-15 18:28 ` Chris Wedgwood
2004-09-15 21:25 ` William Lee Irwin III
2004-09-17 10:39 ` Ingo Molnar
2004-09-17 12:53 ` Ingo Molnar
2004-09-17 20:56 ` Andrea Arcangeli
2004-09-18 8:02 ` Ingo Molnar
2004-09-18 23:36 ` Andrea Arcangeli
2004-09-17 13:26 ` Andrea Arcangeli
2004-09-17 13:47 ` William Lee Irwin III
2004-09-17 13:56 ` Andrea Arcangeli
2004-09-17 14:18 ` William Lee Irwin III
2004-09-17 15:16 ` Linus Torvalds
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