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From: Ingo Molnar <mingo@elte.hu>
To: Alexander van Heukelum <heukelum@fastmail.fm>
Cc: mingo@redhat.com, "H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org, hch@lst.de,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/irq] x86: Always use irq stacks
Date: Tue, 7 Sep 2010 06:55:53 +0200	[thread overview]
Message-ID: <20100907045553.GA20770@elte.hu> (raw)
In-Reply-To: <1283799222.15941.1393621887@webmail.messagingengine.com>


* 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

  parent reply	other threads:[~2010-09-07  4:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-28 12:15 [PATCH 1/2] x86: always use irq stacks Christoph Hellwig
2010-06-29 10:21 ` [tip:x86/irq] x86: Always " tip-bot for Christoph Hellwig
2010-06-30  7:44   ` Ingo Molnar
2010-06-30  7:52     ` Christoph Hellwig
2010-06-30  7:58       ` Ingo Molnar
2010-06-30  8:04         ` Ingo Molnar
2010-07-08 20:42           ` Ingo Molnar
2010-07-08 20:53             ` Christoph Hellwig
2010-07-14 15:12               ` Christoph Hellwig
2010-07-14 15:27                 ` Thomas Gleixner
2010-07-14 15:47                   ` Christoph Hellwig
2010-07-14 18:21                     ` Steven Rostedt
2010-07-27 12:13                       ` Christoph Hellwig
2010-07-27 16:29                         ` H. Peter Anvin
2010-07-27 18:36                         ` [tip:x86/irq] x86-32: Align IRQ stacks properly tip-bot for Christoph Hellwig
2010-07-23 14:15                     ` [tip:x86/irq] x86: Always use irq stacks Steven Rostedt
2010-07-23 14:24                       ` Steven Rostedt
2010-07-23 16:39                         ` Christoph Hellwig
2010-07-14 19:02                   ` David Miller
2010-09-03 15:00   ` Ingo Molnar
2010-09-06 18:53     ` Alexander van Heukelum
2010-09-07  4:06       ` [tip:x86/irq] x86, 32-bit: Align percpu area and irq stacks to THREAD_SIZE tip-bot for Alexander van Heukelum
2010-09-07  4:55       ` Ingo Molnar [this message]
2010-09-07  8:21         ` [tip:x86/irq] x86: Always use irq stacks Alexander van Heukelum

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