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

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From: Christoph Hellwig
Subject: Re: [tip:x86/irq] x86: Always use irq stacks
Date: Wednesday, July 14, 2010 - 8:12 am

Turns out this wasn't a regression introduced by a commit, but it
happens when CONFIG_FUNCTION_GRAPH_TRACER is enabled.  From a quick
look I have no idea why these would interact badly, especially as
CONFIG_FUNCTION_GRAPH_TRACER works fine with irq stacks if the
CONFIG_4KSTACKS options is set.

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Messages in current thread:
[PATCH 1/2] x86: always use irq stacks, Christoph Hellwig, (Mon Jun 28, 5:15 am)
[tip:x86/irq] x86: Always use irq stacks, tip-bot for Christop ..., (Tue Jun 29, 3:21 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Wed Jun 30, 12:44 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Wed Jun 30, 12:52 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Wed Jun 30, 12:58 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Wed Jun 30, 1:04 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Thu Jul 8, 1:42 pm)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Thu Jul 8, 1:53 pm)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Wed Jul 14, 8:12 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Thomas Gleixner, (Wed Jul 14, 8:27 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Wed Jul 14, 8:47 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Steven Rostedt, (Wed Jul 14, 11:21 am)
Re: [tip:x86/irq] x86: Always use irq stacks, David Miller, (Wed Jul 14, 12:02 pm)
Re: [tip:x86/irq] x86: Always use irq stacks, Steven Rostedt, (Fri Jul 23, 7:15 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Steven Rostedt, (Fri Jul 23, 7:24 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Fri Jul 23, 9:39 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Christoph Hellwig, (Tue Jul 27, 5:13 am)
Re: [tip:x86/irq] x86: Always use irq stacks, H. Peter Anvin, (Tue Jul 27, 9:29 am)
[tip:x86/irq] x86-32: Align IRQ stacks properly, tip-bot for Christop ..., (Tue Jul 27, 11:36 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Fri Sep 3, 8:00 am)
Re: [tip:x86/irq] x86: Always use irq stacks, Alexander van Heukelum, (Mon Sep 6, 11:53 am)
[tip:x86/irq] x86, 32-bit: Align percpu area and irq stack ..., tip-bot for Alexande ..., (Mon Sep 6, 9:06 pm)
Re: [tip:x86/irq] x86: Always use irq stacks, Ingo Molnar, (Mon Sep 6, 9:55 pm)
Re: [tip:x86/irq] x86: Always use irq stacks, Alexander van Heukelum, (Tue Sep 7, 1:21 am)