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Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that support self-snoop

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From: Arjan van de Ven <arjan@...>
To: Andi Kleen <ak@...>
Cc: <tglx@...>, <mingo@...>, <linux-kernel@...>
Subject: Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that support self-snoop
Date: Monday, February 11, 2008 - 11:04 am

On Mon, 11 Feb 2008 10:50:22 +0100 (CET)
Andi Kleen <ak@suse.de> wrote:


I'm hearing slightly different information, but am still chasing this one.
It might be better to delay this one to .26 ;-(
(I would very much like to avoid the cache flush but... it really HAS to be safe)


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Messages in current thread:
[PATCH] [0/8] Misc CPA patchkit, Andi Kleen, (Mon Feb 11, 5:50 am)
[PATCH] [8/8] CPA: Add statistics about state of direct mapp..., Andi Kleen, (Mon Feb 11, 5:50 am)
[PATCH] [7/8] CPA: Don't flush caches on CPUs that support s..., Andi Kleen, (Mon Feb 11, 5:50 am)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Arjan van de Ven, (Mon Feb 11, 11:04 am)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Andi Kleen, (Mon Feb 11, 11:12 am)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Arjan van de Ven, (Mon Feb 11, 11:21 am)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Andi Kleen, (Mon Feb 11, 11:27 am)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Siddha, Suresh B, (Mon Feb 11, 1:36 pm)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Andi Kleen, (Mon Feb 11, 1:58 pm)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Siddha, Suresh B, (Mon Feb 11, 3:47 pm)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Arjan van de Ven, (Mon Feb 11, 4:36 pm)
Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that suppo..., Andi Kleen, (Tue Feb 12, 4:45 am)
[PATCH] [6/8] CPA: Remove BUG_ON for LRU/Compound pages, Andi Kleen, (Mon Feb 11, 5:50 am)
Re: [PATCH] [6/8] CPA: Remove BUG_ON for LRU/Compound pages, Thomas Gleixner, (Sun Feb 17, 10:07 am)
[PATCH] [5/8] CPA: Move pool allocation/free into separate f..., Andi Kleen, (Mon Feb 11, 5:50 am)
[PATCH] [4/8] CPA: Ifdef the cpa pool for DEBUG_PAGEALLOC, Andi Kleen, (Mon Feb 11, 5:50 am)
[PATCH] [3/8] CPA: Fix some incorrect comments in the debug ..., Andi Kleen, (Mon Feb 11, 5:50 am)
[PATCH] [2/8] CPA: Remove inline from static_protections, Andi Kleen, (Mon Feb 11, 5:50 am)
Re: [PATCH] [2/8] CPA: Remove inline from static_protections, Ingo Molnar, (Mon Feb 11, 10:04 am)
[PATCH] [1/8] CPA: Remove my copyright notice, Andi Kleen, (Mon Feb 11, 5:50 am)
Re: [PATCH] [1/8] CPA: Remove my copyright notice, Thomas Gleixner, (Mon Feb 11, 8:42 pm)