From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Hellwig <hch@lst.de>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [RFC][WIP][PATCH] Add IRQSTACKS to ppc32
Date: Fri, 25 Apr 2008 23:03:34 +1000 [thread overview]
Message-ID: <1209128614.5420.6.camel@pasglop> (raw)
In-Reply-To: <20080425072332.GB23053@lst.de>
On Fri, 2008-04-25 at 09:23 +0200, Christoph Hellwig wrote:
> On Thu, Apr 24, 2008 at 12:37:50AM -0500, Kumar Gala wrote:
> > config IRQSTACKS
> > bool "Use separate kernel stacks when processing interrupts"
> > - depends on PPC64
>
> Why do we have this as a user-selectable option? It should be on by
> default on 32 or 64bit.
History maybe ? In the early days it was a bit "experimental" (we had a
couple of issues that popped up with some thread flags not being
properly recovered etc...). Nowadays, I agree it should not be an
option.
Ben.
next prev parent reply other threads:[~2008-04-25 13:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-24 5:37 [RFC][WIP][PATCH] Add IRQSTACKS to ppc32 Kumar Gala
2008-04-24 7:18 ` Benjamin Herrenschmidt
2008-04-24 12:59 ` Kumar Gala
2008-04-24 14:53 ` Benjamin Herrenschmidt
2008-04-24 16:25 ` Kumar Gala
2008-04-25 7:23 ` Christoph Hellwig
2008-04-25 13:03 ` Benjamin Herrenschmidt [this message]
2008-04-25 13:37 ` Kumar Gala
2008-04-25 22:56 ` Paul Mackerras
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