From: "Bart Van Assche" <bart.vanassche@gmail.com>
To: "Linus Torvalds" <torvalds@linux-foundation.org>
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.26-rc2
Date: Mon, 12 May 2008 21:32:07 +0200 [thread overview]
Message-ID: <e2e108260805121232t4cbd8eb0k219fd6a7d06c7650@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.1.10.0805120731480.3188@woody.linux-foundation.org>
On Mon, May 12, 2008 at 4:55 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> A few months ago we dropped the regular BKL version, but in 2.6.25-rc1 we
> then had performance (and then correctness) issues with the interaction
> between the semaphore implementation and the preemptable BKL, so we're
> back to the old regular version for now.
Hello Linus,
Sorry if it's my fault that I do not understand the above message
completely. But from the above it's not completely clear to me which
kernel versions (2.6.2?.? releases) are affected and which are not
affected by the performance and correctness issues due to the
interaction between the semaphore implementation and the preemptable
BKL. Can someone please be so kind to post the affected kernel
versions ? And whether or not this issue was triggered probably
depends on the CONFIG_... options with which the kernel was built ?
Bart.
next prev parent reply other threads:[~2008-05-12 19:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-12 14:55 Linus Torvalds
2008-05-12 19:32 ` Bart Van Assche [this message]
2008-05-12 19:55 ` Linus Torvalds
2008-05-12 23:22 ` Kasper Sandberg
2008-05-13 1:49 ` Oops on -rc2-git1, possibly md_raid1 or xfs related. (Was: Re: Linux 2.6.26-rc2) Kasper Sandberg
2008-05-13 1:55 ` Kasper Sandberg
2008-05-13 2:19 ` Neil Brown
[not found] ` <200805121726.15576.alistair@devzero.co.uk>
[not found] ` <alpine.LFD.1.10.0805120933310.3019@woody.linux-foundation.org>
[not found] ` <20080512164920.GE16217@kernel.dk>
2008-05-13 1:05 ` [PATCH] Remove blkdev warning triggered by using md Neil Brown
2008-05-17 18:22 ` XFS/md/blkdev warning (was Re: Linux 2.6.26-rc2) Alistair John Strachan
2008-05-17 18:37 ` Linus Torvalds
2008-05-17 18:41 ` Linus Torvalds
2008-05-17 20:09 ` Alistair John Strachan
2008-05-17 21:17 ` Linus Torvalds
2008-05-17 23:12 ` Alistair John Strachan
2008-05-17 23:39 ` Christoph Hellwig
2008-05-18 14:12 ` Alistair John Strachan
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