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From: Patrick Huesmann <patrick.huesmann@gmail.com>
To: linuxppc-embedded@ozlabs.org
Subject: Re: How to increase kernel stack size?
Date: Tue, 10 May 2005 12:54:30 +0200	[thread overview]
Message-ID: <93579fec0505100354623af3fc@mail.gmail.com> (raw)
In-Reply-To: <427FB3A5.5080702@gmail.com>

Just FYI:

The symbol INIT_TASK_SIZE defines the length of a union (task_union)
which holds the kernel stack. But when I define this value to be
larger than 8192, the kernel wouldn't boot.
So this value is probably hard-coded somewhere else.

BTW, I'm using 2.4.26

Does someone know how to increase the kernel stack size for PPC archs?
I really need more stack for my external interrupt b/c sometimes the
peripheral generates fast bursts on the external interrupt line, which
lead to kernel stack overflow.
(SA_INTERRUPT doesn't help because this is a realtime interrupt).

Any ideas?

TIA,
Patrick

      reply	other threads:[~2005-05-10 10:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-09 19:01 How to increase kernel stack size? Patrick Huesmann
2005-05-10 10:54 ` Patrick Huesmann [this message]

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