From: Chris Wedgwood <cw@f00f.org>
To: Adrian Bunk <bunk@fs.tum.de>
Cc: Arjan van de Ven <arjanv@redhat.com>,
Nathan Scott <nathans@sgi.com>,
"Jeffrey E. Hundstad" <jeffrey.hundstad@mnsu.edu>,
Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
Steve Lord <lord@xfs.org>,
linux-xfs@oss.sgi.com, xfs-masters@oss.sgi.com,
Cahya Wirawan <cwirawan@email.archlab.tuwien.ac.at>,
linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS=n
Date: Thu, 29 Jul 2004 14:44:12 -0700 [thread overview]
Message-ID: <20040729214412.GA22041@taniwha.stupidest.org> (raw)
In-Reply-To: <20040729211137.GC23589@fs.tum.de>
On Thu, Jul 29, 2004 at 11:11:37PM +0200, Adrian Bunk wrote:
> There are reports of breakages with 4kb stacks in 2.6, but AFAIK no
> similar reports for 2.4 .
2.4.x uses the stack(s) differently than 2.6.x so it will usually be
harder (but not impossible) to break and less easy to detect.
I believe what Arjan is saying that that 2.4.x effectively really only
has 4K of safely usable stack anyhow (we have some on-stack allocated
data and interrupts use the same stack).
Also, FWIW I do think there were been reports of problems in 2.4.x
that looked like they might be stack-size related (things dying
horribly after an interrupt for example).
--cw
next prev parent reply other threads:[~2004-07-29 21:47 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-20 11:44 4K stack kernel get Oops in Filesystem stress test Cahya Wirawan
2004-07-20 12:04 ` Steve Lord
2004-07-20 14:39 ` Jeffrey E. Hundstad
2004-07-20 19:50 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS=n Adrian Bunk
2004-07-20 20:42 ` Chris Wedgwood
2004-07-20 20:50 ` Adrian Bunk
2004-07-20 20:58 ` Chris Wedgwood
2004-07-29 6:09 ` Nathan Scott
2004-07-29 11:42 ` Adrian Bunk
2004-07-29 11:46 ` Arjan van de Ven
2004-07-29 21:11 ` Adrian Bunk
2004-07-29 21:44 ` Chris Wedgwood [this message]
2004-07-29 22:30 ` [xfs-masters] " Nathan Scott
2004-08-01 19:02 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL Adrian Bunk
2004-07-29 15:42 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS=n Mika Bostrom
2004-07-29 16:09 ` Zwane Mwaikambo
2004-07-29 16:36 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS Mika Bostrom
2004-07-22 7:27 ` 4K stack kernel get Oops in Filesystem stress test Amon Ott
2004-07-29 2:14 ` Nathan Scott
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