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SubjectRe: [tip:x86/irq] x86: Always use irq stacks

* Alexander van Heukelum <heukelum@fastmail.fm> wrote:

> On Fri, 03 Sep 2010 17:00 +0200, "Ingo Molnar" <mingo@elte.hu> wrote:
> >
> > * tip-bot for Christoph Hellwig <hch@lst.de> wrote:
> >
> > > Commit-ID: 7974891db234467eaf1fec613ec0129cb4ac2332
> > > Gitweb: http://git.kernel.org/tip/7974891db234467eaf1fec613ec0129cb4ac2332
> > > Author: Christoph Hellwig <hch@lst.de>
> > > AuthorDate: Mon, 28 Jun 2010 14:15:54 +0200
> > > Committer: Thomas Gleixner <tglx@linutronix.de>
> > > CommitDate: Tue, 29 Jun 2010 12:12:59 +0200
> > >
> > > x86: Always use irq stacks
> >
> > [...]
> >
> > Checking out 7974891db2 and building+booting a kernel with this config
> > causes shows the crash.
> >
> > Checking out 7974891db2~1 and building+booting a kernel with this config
> > gives a working system.
> >
> > Note that tip:x86/irq has these commits currently:
> >
> > 1813a68: x86: Move alloc_desk_mask variables inside ifdef
> > 2589737: x86-32: Align IRQ stacks properly
> > dcfa726: x86: Remove CONFIG_4KSTACKS
> > 7974891: x86: Always use irq stacks
>
> Hello Ingo, Christoph, ...
>
> There is still a problem with the alignment of the irq stacks. Maybe it's only
> theoretical, but I think the attached patch is necessary. (Attached because
> I'm sending it via a web interface.)
>
> Please test and apply :).

This apparently solved the crash, thanks a lot Alexander!

Ingo


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