Re: Replacement for page fault notifiers? | KernelTrap

Re: Replacement for page fault notifiers?

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From: <Valdis.Kletnieks@...>

To: Christoph Hellwig <hch@...>

Cc: Pavel Roskin <proski@...>, <benh@...>, Dave Airlie <airlied@...>, Pekka Paalanen <pq@...>, <linux-kernel@...>, <jbeulich@...>

Subject: Re: Replacement for page fault notifiers?

Date: Wednesday, January 9, 2008 - 4:44 pm

On Wed, 09 Jan 2008 20:26:44 GMT, Christoph Hellwig said:

quoted text> > Exactly.  In MadWifi, they are inlined on i386 and x86_64, and I cannot
> > ask every user with an unsupported card to get a Mac.
> 
> Maybe it's time to do some simple xoring in the ioremap return value
> to force them not to do such stupid things..

If an open-source driver did exactly the same thing, would it still be
stupid?  If so, what should it be doing instead?

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Messages in current thread:

Replacement for page fault notifiers?, Pekka Paalanen, (Tue Jan 8, 3:06 pm)

Re: Replacement for page fault notifiers?, Christoph Hellwig, (Tue Jan 8, 4:32 pm)

Re: Replacement for page fault notifiers?, Dave Airlie, (Tue Jan 8, 6:13 pm)

Re: Replacement for page fault notifiers?, Benjamin Herrenschmidt, (Tue Jan 8, 8:26 pm)

Re: Replacement for page fault notifiers?, Pavel Roskin, (Wed Jan 9, 2:18 pm)

Re: Replacement for page fault notifiers?, Christoph Hellwig, (Wed Jan 9, 2:21 pm)

Re: Replacement for page fault notifiers?, Benjamin Herrenschmidt, (Wed Jan 9, 3:58 pm)

Re: Replacement for page fault notifiers?, Pavel Roskin, (Wed Jan 9, 4:24 pm)

Re: Replacement for page fault notifiers?, Christoph Hellwig, (Wed Jan 9, 4:26 pm)

Re: Replacement for page fault notifiers?, , (Wed Jan 9, 4:44 pm)

Re: Replacement for page fault notifiers?, Pavel Roskin, (Wed Jan 9, 4:41 pm)

Re: Replacement for page fault notifiers?, Christoph Hellwig, (Wed Jan 9, 4:22 pm)

Re: Replacement for page fault notifiers?, Pekka Paalanen, (Thu Jan 10, 2:44 pm)

Re: Replacement for page fault notifiers?, Arjan van de Ven, (Wed Jan 9, 8:42 pm)

Re: Replacement for page fault notifiers?, Matt Mackall, (Wed Jan 9, 10:03 pm)

Re: Replacement for page fault notifiers?, Pavel Roskin, (Wed Jan 9, 10:21 pm)

Re: Replacement for page fault notifiers?, Matt Mackall, (Wed Jan 9, 10:30 pm)

Re: Replacement for page fault notifiers?, Benjamin Herrenschmidt, (Wed Jan 9, 8:56 pm)

Re: Replacement for page fault notifiers?, Andi Kleen, (Wed Jan 9, 8:47 pm)

Re: Replacement for page fault notifiers?, Arjan van de Ven, (Wed Jan 9, 8:55 pm)

Re: Replacement for page fault notifiers?, Benjamin Herrenschmidt, (Wed Jan 9, 8:58 pm)

Re: Replacement for page fault notifiers?, Andi Kleen, (Wed Jan 9, 9:01 pm)

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