Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry | KernelTrap

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry

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From: Joerg Roedel

Subject: Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry

Date: Friday, June 27, 2008 - 10:52 am

On Fri, Jun 27, 2008 at 01:44:15PM -0400, Muli Ben-Yehuda wrote:
quoted text> On Fri, Jun 27, 2008 at 07:40:35PM +0200, Joerg Roedel wrote:
> 
> > Yes. As I said, this is for the non-isolating case. For the
> > isolation case (which is needed for protection) it is harder to
> > optimize. But there I think about some sort of lazy IOMMU TLB
> > flushing. The flushing and 'wait for the flush to finish' is the
> > most expensive part in the mapping and unmapping code path. But this
> > needs some experiments.
> 
> Agreed. The paper I just posted to the iommu mailing list has some
> ideas and experimental data.

Cool. I wasn't aware if that paper. I will read it next week. Thanks for
the pointer to it.

Joerg

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Messages in current thread:

[PATCH 00/34] AMD IOMMU driver, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 02/34] AMD IOMMU: add header file for driver data s ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 03/34] AMD IOMMU: add defines and structures for AC ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 04/34] AMD IOMMU: add data structures to manage the ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 05/34] AMD IOMMU: add functions to find last possib ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 06/34] AMD IOMMU: add amd_iommu_init.c to Makefile, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 07/34] AMD IOMMU: add functions for mapping/unmappi ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 08/34] AMD IOMMU: add functions for programming IOM ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 09/34] AMD IOMMU: add command buffer (de-)allocation, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 10/34] AMD IOMMU: add device table initialization f ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 11/34] AMD IOMMU: add functions for IOMMU hardware ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 12/34] AMD IOMMU: add detect code for AMD IOMMU har ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 13/34] AMD IOMMU: add functions to parse IOMMU memo ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 14/34] AMD IOMMU: clue initialization code together, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 15/34] AMD IOMMU: add early detection code, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 16/34] AMD IOMMU: add kernel command line parameter ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 17/34] AMD IOMMU: add generic defines and structure ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 18/34] AMD IOMMU: add amd_iommu.c to Makefile, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 19/34] AMD IOMMU: add functions to send IOMMU commands, Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 20/34] AMD IOMMU: add functions to initialize unity ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 21/34] AMD IOMMU: add address allocation and deallo ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 22/34] AMD IOMMU: add domain allocation and dealloc ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 23/34] AMD IOMMU: add functions to find IOMMU devic ..., Joerg Roedel, (Thu Jun 26, 12:27 pm)

[PATCH 24/34] AMD IOMMU: add generic dma_ops mapping functions, Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 25/34] AMD IOMMU: add dma_ops mapping functions for ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 26/34] AMD IOMMU: add mapping functions for scatter ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 27/34] AMD IOMMU: add mapping functions for coheren ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 28/34] AMD IOMMU: add pre-allocation of protection ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 29/34] AMD IOMMU: add dma_ops initialization function, Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 30/34] AMD IOMMU: add amd_iommu.h to export functio ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 31/34] AMD IOMMU: initialize dma_ops from IOMMU ini ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 32/34] AMD_IOMMU: call detect and initialization fu ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 33/34] AMD IOMMU: add MAINTAINERS entry, Joerg Roedel, (Thu Jun 26, 12:28 pm)

[PATCH 34/34] AMD IOMMU: add documentation for kernel para ..., Joerg Roedel, (Thu Jun 26, 12:28 pm)

Re: [PATCH 00/34] AMD IOMMU driver, Rafael J. Wysocki, (Thu Jun 26, 1:37 pm)

Re: [PATCH 00/34] AMD IOMMU driver, Joerg Roedel, (Thu Jun 26, 1:37 pm)

Re: [PATCH 00/34] AMD IOMMU driver, Rafael J. Wysocki, (Thu Jun 26, 2:02 pm)

Re: [PATCH 00/34] AMD IOMMU driver, Ingo Molnar, (Fri Jun 27, 1:18 am)

Re: [PATCH 00/34] AMD IOMMU driver, Ingo Molnar, (Fri Jun 27, 3:07 am)

Re: [PATCH 00/34] AMD IOMMU driver, Joerg Roedel, (Fri Jun 27, 3:15 am)

Re: [PATCH 00/34] AMD IOMMU driver, Joerg Roedel, (Fri Jun 27, 3:59 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Adrian Bunk, (Fri Jun 27, 7:25 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Andi Kleen, (Fri Jun 27, 7:47 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 9:39 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 9:40 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 9:54 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 9:59 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 10:05 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 10:12 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 10:20 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 10:31 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 10:40 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 10:44 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Fri Jun 27, 10:52 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Andi Kleen, (Fri Jun 27, 11:54 am)

RE: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Duran, Leo, (Fri Jun 27, 1:39 pm)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Muli Ben-Yehuda, (Fri Jun 27, 3:29 pm)

RE: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Duran, Leo, (Fri Jun 27, 3:47 pm)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Sat Jun 28, 3:52 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Sat Jun 28, 4:04 am)

RE: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Duran, Leo, (Sat Jun 28, 7:40 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Joerg Roedel, (Sat Jun 28, 9:27 am)

Re: [PATCH 21/34] AMD IOMMU: add address allocation and de ..., FUJITA Tomonori, (Sun Jun 29, 8:07 am)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., FUJITA Tomonori, (Sun Jun 29, 8:07 am)

Re: [PATCH 26/34] AMD IOMMU: add mapping functions for sca ..., FUJITA Tomonori, (Sun Jun 29, 8:07 am)

Re: [PATCH 34/34] AMD IOMMU: add documentation for kernel ..., FUJITA Tomonori, (Sun Jun 29, 8:07 am)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Joerg Roedel, (Sun Jun 29, 8:14 am)

Re: [PATCH 21/34] AMD IOMMU: add address allocation and de ..., Joerg Roedel, (Sun Jun 29, 8:17 am)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., FUJITA Tomonori, (Sun Jun 29, 4:11 pm)

Re: [PATCH 21/34] AMD IOMMU: add address allocation and de ..., FUJITA Tomonori, (Sun Jun 29, 4:11 pm)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Ingo Molnar, (Mon Jun 30, 5:22 am)

Re: [PATCH 34/34] AMD IOMMU: add documentation for kernel ..., Ingo Molnar, (Mon Jun 30, 5:25 am)

Re: [PATCH 26/34] AMD IOMMU: add mapping functions for sca ..., Joerg Roedel, (Mon Jun 30, 6:25 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Amit Shah, (Tue Jul 1, 10:45 pm)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Alan Cox, (Wed Jul 2, 1:12 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Pavel Machek, (Tue Jul 8, 5:45 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Ingo Molnar, (Wed Jul 9, 1:48 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, FUJITA Tomonori, (Wed Jul 9, 5:50 pm)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Andrew Morton, (Wed Jul 9, 6:38 pm)

Re: [PATCH 03/34] AMD IOMMU: add defines and structures fo ..., Andrew Morton, (Wed Jul 9, 6:41 pm)

Re: [PATCH 04/34] AMD IOMMU: add data structures to manage ..., Andrew Morton, (Wed Jul 9, 6:43 pm)

Re: [PATCH 09/34] AMD IOMMU: add command buffer (de-)alloc ..., Andrew Morton, (Wed Jul 9, 6:47 pm)

Re: [PATCH 11/34] AMD IOMMU: add functions for IOMMU hardw ..., Andrew Morton, (Wed Jul 9, 6:49 pm)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Arjan van de Ven, (Wed Jul 9, 6:50 pm)

Re: [PATCH 12/34] AMD IOMMU: add detect code for AMD IOMMU ..., Andrew Morton, (Wed Jul 9, 6:51 pm)

Re: [PATCH 13/34] AMD IOMMU: add functions to parse IOMMU ..., Andrew Morton, (Wed Jul 9, 6:51 pm)

Re: [PATCH 14/34] AMD IOMMU: clue initialization code together, Andrew Morton, (Wed Jul 9, 6:55 pm)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Andrew Morton, (Wed Jul 9, 6:56 pm)

Re: [PATCH 17/34] AMD IOMMU: add generic defines and struc ..., Andrew Morton, (Wed Jul 9, 7:01 pm)

Re: [PATCH 19/34] AMD IOMMU: add functions to send IOMMU c ..., Andrew Morton, (Wed Jul 9, 7:04 pm)

Re: [PATCH 22/34] AMD IOMMU: add domain allocation and dea ..., Andrew Morton, (Wed Jul 9, 7:14 pm)

Re: [PATCH 23/34] AMD IOMMU: add functions to find IOMMU d ..., Andrew Morton, (Wed Jul 9, 7:18 pm)

Re: [PATCH 25/34] AMD IOMMU: add dma_ops mapping functions ..., Andrew Morton, (Wed Jul 9, 7:26 pm)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Andrew Morton, (Wed Jul 9, 7:36 pm)

Re: [PATCH 17/34] AMD IOMMU: add generic defines and struc ..., Andrew Morton, (Wed Jul 9, 7:38 pm)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., FUJITA Tomonori, (Wed Jul 9, 9:25 pm)

Re: [PATCH 17/34] AMD IOMMU: add generic defines and struc ..., FUJITA Tomonori, (Wed Jul 9, 9:25 pm)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Andrew Morton, (Wed Jul 9, 9:39 pm)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Ingo Molnar, (Wed Jul 9, 11:26 pm)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Yinghai Lu, (Thu Jul 10, 12:04 am)

Re: [PATCH 01/34] AMD IOMMU: add Kconfig entry, Ingo Molnar, (Thu Jul 10, 1:44 am)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Joerg Roedel, (Thu Jul 10, 5:12 am)

Re: [PATCH 03/34] AMD IOMMU: add defines and structures fo ..., Joerg Roedel, (Thu Jul 10, 5:17 am)

Re: [PATCH 04/34] AMD IOMMU: add data structures to manage ..., Joerg Roedel, (Thu Jul 10, 5:25 am)

Re: [PATCH 14/34] AMD IOMMU: clue initialization code together, Joerg Roedel, (Thu Jul 10, 5:37 am)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Joerg Roedel, (Thu Jul 10, 5:41 am)

Re: [PATCH 17/34] AMD IOMMU: add generic defines and struc ..., Joerg Roedel, (Thu Jul 10, 5:44 am)

Re: [PATCH 19/34] AMD IOMMU: add functions to send IOMMU c ..., Joerg Roedel, (Thu Jul 10, 5:53 am)

Re: [PATCH 22/34] AMD IOMMU: add domain allocation and dea ..., Joerg Roedel, (Thu Jul 10, 5:54 am)

Re: [PATCH 02/34] AMD IOMMU: add header file for driver da ..., Andrew Morton, (Thu Jul 10, 5:59 am)

Re: [PATCH 14/34] AMD IOMMU: clue initialization code together, Andrew Morton, (Thu Jul 10, 6:03 am)

Re: [PATCH 25/34] AMD IOMMU: add dma_ops mapping functions ..., Joerg Roedel, (Thu Jul 10, 6:20 am)

Re: [PATCH 14/34] AMD IOMMU: clue initialization code together, Joerg Roedel, (Thu Jul 10, 6:31 am)

Re: [PATCH 23/34] AMD IOMMU: add functions to find IOMMU d ..., Joerg Roedel, (Thu Jul 10, 9:46 am)

Re: [PATCH 14/34] AMD IOMMU: clue initialization code together, Joerg Roedel, (Thu Jul 10, 11:37 am)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., Randy Dunlap, (Thu Jul 10, 1:42 pm)

Re: [PATCH 23/34] AMD IOMMU: add functions to find IOMMU d ..., Andrew Morton, (Thu Jul 10, 4:59 pm)

Re: [PATCH 00/34] AMD IOMMU driver, Eric W. Biederman, (Fri Jul 11, 3:22 am)

Re: [PATCH 00/34] AMD IOMMU driver, Joerg Roedel, (Fri Jul 11, 7:11 am)

RE: [PATCH 00/34] AMD IOMMU driver, Duran, Leo, (Fri Jul 11, 9:23 am)

Re: [PATCH 00/34] AMD IOMMU driver, Eric W. Biederman, (Fri Jul 11, 10:20 am)

Re: [PATCH 16/34] AMD IOMMU: add kernel command line param ..., FUJITA Tomonori, (Mon Jul 14, 4:56 pm)

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