Re: [PATCH UPDATE] x86: ignore spurious faults

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To: Jeremy Fitzhardinge <jeremy@...>
Cc: Matt Mackall <mpm@...>, Harvey Harrison <harvey.harrison@...>, Ingo Molnar <mingo@...>, Linux Kernel Mailing List <linux-kernel@...>, Andi Kleen <ak@...>
Date: Thursday, January 24, 2008 - 7:41 pm

On Friday 25 January 2008 06:21, Jeremy Fitzhardinge wrote:

I (obviously) don't know exactly how the TLB works in x86, but I
thought that on a miss, the CPU walks the pagetables first before
faulting? Maybe that's not the case if there is an RO entry
actually in the TLB?
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Messages in current thread:
[PATCH] x86: ignore spurious faults, Jeremy Fitzhardinge, (Wed Jan 23, 8:05 pm)
Re: [PATCH] x86: ignore spurious faults, Andi Kleen, (Thu Jan 24, 2:49 am)
Re: [PATCH] x86: ignore spurious faults, Jeremy Fitzhardinge, (Thu Jan 24, 3:02 am)
Re: [PATCH] x86: ignore spurious faults, Andi Kleen, (Thu Jan 24, 3:11 am)
Re: [PATCH] x86: ignore spurious faults, Harvey Harrison, (Wed Jan 23, 8:18 pm)
[PATCH UPDATE] x86: ignore spurious faults, Jeremy Fitzhardinge, (Wed Jan 23, 8:28 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Ingo Molnar, (Fri Jan 25, 11:30 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jeremy Fitzhardinge, (Fri Jan 25, 11:54 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Ingo Molnar, (Fri Jan 25, 2:08 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jeremy Fitzhardinge, (Fri Jan 25, 2:39 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Matt Mackall, (Thu Jan 24, 3:14 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jeremy Fitzhardinge, (Thu Jan 24, 3:21 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Nick Piggin, (Thu Jan 24, 7:41 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jeremy Fitzhardinge, (Thu Jan 24, 8:26 pm)
Re: [PATCH UPDATE] x86: ignore spurious faults, Keir Fraser, (Fri Jan 25, 3:36 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jan Beulich, (Fri Jan 25, 4:15 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Nick Piggin, (Fri Jan 25, 4:38 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Jan Beulich, (Fri Jan 25, 5:18 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Andi Kleen, (Fri Jan 25, 5:11 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Keir Fraser, (Fri Jan 25, 5:18 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Andi Kleen, (Fri Jan 25, 6:19 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Keir Fraser, (Fri Jan 25, 9:17 am)
Re: [PATCH UPDATE] x86: ignore spurious faults, Andi Kleen, (Fri Jan 25, 5:51 am)
Re: [PATCH] x86: ignore spurious faults, Jeremy Fitzhardinge, (Wed Jan 23, 8:26 pm)