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Re: [PATCH 0/16] DMA-API debugging facility v2

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From: Joerg Roedel
Subject: Re: [PATCH 0/16] DMA-API debugging facility v2
Date: Thursday, February 12, 2009 - 7:48 am

On Thu, Feb 05, 2009 at 06:05:35PM -0800, Chris Wright wrote:


Hmm, thats because all device addresses are 16kb aligned. The hashfn
uses bits 13 to 21 as the index for the hash. I can move this window up
to bits 18-26 if it improves the hash spread.

Joerg
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Messages in current thread:
[PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 01/16] dma-debug: add Kconfig entry, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 02/16] dma-debug: add header file and core data str ..., Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 03/16] dma-debug: add hash functions for dma_debug_ ..., Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 04/16] dma-debug: add allocator code, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 05/16] dma-debug: add initialization code, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 06/16] dma-debug: add kernel command line parameters, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 07/16] dma-debug: add debugfs interface, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 08/16] dma-debug: add core checking functions, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 09/16] dma-debug: add checking for map/unmap_single, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 10/16] dma-debug: add add checking for map/unmap_sg, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 11/16] dma-debug: add checking for [alloc|free]_coh ..., Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 12/16] dma-debug: add checks for sync_single_*, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 13/16] dma-debug: add checks for sync_single_range_*, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 14/16] dma-debug: add checks for sync_single_sg_*, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 15/16] dma-debug: x86 architecture bindings, Joerg Roedel, (Fri Jan 9, 9:19 am)
[PATCH 16/16] dma-debug: Documentation update, Joerg Roedel, (Fri Jan 9, 9:19 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Evgeniy Polyakov, (Fri Jan 9, 10:55 am)
Re: [PATCH 05/16] dma-debug: add initialization code, Evgeniy Polyakov, (Fri Jan 9, 10:58 am)
Re: [PATCH 10/16] dma-debug: add add checking for map/unmap_sg, Evgeniy Polyakov, (Fri Jan 9, 11:08 am)
Re: [PATCH 10/16] dma-debug: add add checking for map/unmap_sg, Joerg Roedel, (Fri Jan 9, 11:11 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Joerg Roedel, (Fri Jan 9, 11:14 am)
Re: [PATCH 05/16] dma-debug: add initialization code, Joerg Roedel, (Fri Jan 9, 11:17 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Evgeniy Polyakov, (Fri Jan 9, 11:23 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Joerg Roedel, (Fri Jan 9, 11:40 am)
Re: [PATCH 01/16] dma-debug: add Kconfig entry, Randy Dunlap, (Fri Jan 9, 1:12 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Michael Chan, (Fri Jan 9, 2:24 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Fri Jan 9, 3:33 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Fri Jan 9, 3:37 pm)
Re: [PATCH 15/16] dma-debug: x86 architecture bindings, Ingo Molnar, (Sat Jan 10, 4:04 pm)
Re: [PATCH 07/16] dma-debug: add debugfs interface, Ingo Molnar, (Sat Jan 10, 4:08 pm)
Re: [PATCH 08/16] dma-debug: add core checking functions, Ingo Molnar, (Sat Jan 10, 4:11 pm)
Re: [PATCH 08/16] dma-debug: add core checking functions, Ingo Molnar, (Sat Jan 10, 4:12 pm)
Re: [PATCH 08/16] dma-debug: add core checking functions, Ingo Molnar, (Sat Jan 10, 4:13 pm)
Re: [PATCH 07/16] dma-debug: add debugfs interface, Ingo Molnar, (Sat Jan 10, 4:15 pm)
Re: [PATCH 04/16] dma-debug: add allocator code, Ingo Molnar, (Sat Jan 10, 4:43 pm)
Re: [PATCH 14/16] dma-debug: add checks for sync_single_sg_*, Ingo Molnar, (Sat Jan 10, 4:46 pm)
Re: [PATCH 15/16] dma-debug: x86 architecture bindings, Ingo Molnar, (Sat Jan 10, 4:48 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Ingo Molnar, (Sat Jan 10, 4:54 pm)
Re: [PATCH 11/16] dma-debug: add checking for [alloc|free] ..., FUJITA Tomonori, (Sat Jan 10, 11:25 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, FUJITA Tomonori, (Sat Jan 10, 11:25 pm)
Re: [PATCH 15/16] dma-debug: x86 architecture bindings, FUJITA Tomonori, (Sat Jan 10, 11:25 pm)
Re: [PATCH 02/16] dma-debug: add header file and core data ..., FUJITA Tomonori, (Sat Jan 10, 11:25 pm)
Re: [PATCH 11/16] dma-debug: add checking for [alloc|free] ..., FUJITA Tomonori, (Sat Jan 10, 11:30 pm)
Re: [PATCH 07/16] dma-debug: add debugfs interface, Joerg Roedel, (Sun Jan 11, 12:52 am)
Re: [PATCH 08/16] dma-debug: add core checking functions, Joerg Roedel, (Sun Jan 11, 12:54 am)
Re: [PATCH 08/16] dma-debug: add core checking functions, Joerg Roedel, (Sun Jan 11, 12:57 am)
Re: [PATCH 11/16] dma-debug: add checking for [alloc|free] ..., Joerg Roedel, (Sun Jan 11, 12:59 am)
Re: [PATCH 14/16] dma-debug: add checks for sync_single_sg_*, Joerg Roedel, (Sun Jan 11, 1:00 am)
Re: [PATCH 15/16] dma-debug: x86 architecture bindings, Joerg Roedel, (Sun Jan 11, 1:08 am)
Re: [PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Sun Jan 11, 1:11 am)
Re: [PATCH 08/16] dma-debug: add core checking functions, Joerg Roedel, (Sun Jan 11, 1:34 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Andrew Morton, (Tue Jan 13, 1:51 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., David Woodhouse, (Tue Jan 13, 1:59 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Ingo Molnar, (Wed Jan 14, 4:43 am)
Re: [PATCH 08/16] dma-debug: add core checking functions, Joerg Roedel, (Wed Jan 14, 4:44 am)
Re: [PATCH 08/16] dma-debug: add core checking functions, Ingo Molnar, (Wed Jan 14, 4:48 am)
Re: [PATCH 07/16] dma-debug: add debugfs interface, Joerg Roedel, (Wed Jan 14, 8:22 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Andrew Morton, (Wed Jan 14, 10:39 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Ingo Molnar, (Wed Jan 14, 10:43 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Ingo Molnar, (Wed Jan 14, 10:48 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., David Woodhouse, (Wed Jan 14, 10:48 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., Joerg Roedel, (Wed Jan 14, 10:51 am)
Re: [PATCH 03/16] dma-debug: add hash functions for dma_de ..., FUJITA Tomonori, (Wed Jan 14, 8:44 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, David Woodhouse, (Thu Feb 5, 3:52 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Chris Wright, (Thu Feb 5, 7:05 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, Chris Wright, (Thu Feb 5, 7:27 pm)
Re: [PATCH 0/16] DMA-API debugging facility v2, David Woodhouse, (Fri Feb 6, 12:56 am)
Re: [PATCH 0/16] DMA-API debugging facility v2, Chris Wright, (Fri Feb 6, 9:08 am)
Re: [PATCH 0/16] DMA-API debugging facility v2, Chris Wright, (Fri Feb 6, 11:20 am)
Re: [PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Thu Feb 12, 7:48 am)
Re: [PATCH 0/16] DMA-API debugging facility v2, Joerg Roedel, (Thu Feb 12, 8:20 am)