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Re: [PATCH] Prevent nested interrupts when the IRQ stack is near overflowing v2

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From: Linus Torvalds
Subject: Re: [PATCH] Prevent nested interrupts when the IRQ stack is near overflowing v2
Date: Thursday, March 25, 2010 - 1:40 pm

On Thu, 25 Mar 2010, David Miller wrote:

You missed the point of the patch.

It makes _all_ interrupts act like IRQF_DISABLED. So it actually fixes 
your issue, by making IRQF_DISABLE a no-op - not because it doesn't exist 
any more, but because the non-IRQF_DISABLED case would not exist any more.

		Linus
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Messages in current thread:
[PATCH] Prevent nested interrupts when the IRQ stack is ne ..., Andi Kleen, (Wed Mar 24, 12:02 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Wed Mar 24, 1:42 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Wed Mar 24, 4:08 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Wed Mar 24, 5:36 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Wed Mar 24, 6:46 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 2:37 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Alan Cox, (Thu Mar 25, 3:50 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Thu Mar 25, 4:09 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Thu Mar 25, 4:16 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 4:57 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Alan Cox, (Thu Mar 25, 4:59 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 5:00 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 5:11 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Thu Mar 25, 6:17 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 6:32 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Thu Mar 25, 7:16 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 8:38 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Alan Cox, (Thu Mar 25, 9:06 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 9:13 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 9:17 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Ingo Molnar, (Thu Mar 25, 9:27 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Ingo Molnar, (Thu Mar 25, 9:33 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Thomas Gleixner, (Thu Mar 25, 9:52 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Peter Zijlstra, (Thu Mar 25, 10:47 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 11:01 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Peter Zijlstra, (Thu Mar 25, 11:21 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Peter Zijlstra, (Thu Mar 25, 11:23 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 11:27 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Ingo Molnar, (Thu Mar 25, 11:29 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 11:44 am)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Ingo Molnar, (Thu Mar 25, 12:01 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 12:10 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., David Miller, (Thu Mar 25, 12:42 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 1:40 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Ingo Molnar, (Thu Mar 25, 1:51 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Linus Torvalds, (Thu Mar 25, 1:53 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., David Miller, (Thu Mar 25, 8:33 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Eric W. Biederman, (Thu Mar 25, 9:55 pm)
Re: [PATCH] Prevent nested interrupts when the IRQ stack i ..., Andi Kleen, (Thu Mar 25, 11:10 pm)