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From: "Leonardo Brás" <leobras.c@gmail.com>
To: Frederic Barrat <fbarrat@linux.ibm.com>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
David Gibson <david@gibson.dropbear.id.au>,
Nicolin Chen <nicoleotsuka@gmail.com>,
kernel test robot <lkp@intel.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 10/11] powerpc/pseries/iommu: Make use of DDW for indirect mapping
Date: Fri, 27 Aug 2021 14:53:47 -0300 [thread overview]
Message-ID: <dab10177d5fa144ad271b4efb59fe3e5dc61b56d.camel@gmail.com> (raw)
In-Reply-To: <3d79480a-20df-ea1a-e17f-8bf2c8a8a2be@linux.ibm.com>
Hello Fred,
On Fri, 2021-08-27 at 19:06 +0200, Frederic Barrat wrote:
>
> I think it looks ok now as it was mostly me who was misunderstanding
> one
> part of the previous iteration.
> Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
>
Thank you for reviewing this series!
> Sorry for the late review, I was enjoying some time off. And thanks
> for
> that series, I believe it should help with those bugs complaining
> about
> lack of DMA space. It was also very educational for me, thanks to you
> and Alexey for your detailed answers.
Working on this series caused me to learn a lot about how DMA and IOMMU
works in Power, and it was a great experience. Thanks to Alexey who
helped and guided me through this!
Best regards,
Leonardo Bras
next prev parent reply other threads:[~2021-08-27 17:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-17 6:39 [PATCH v6 00/11] DDW + Indirect Mapping Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 01/11] powerpc/pseries/iommu: Replace hard-coded page shift Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 02/11] powerpc/kernel/iommu: Add new iommu_table_in_use() helper Leonardo Bras
2021-08-27 16:52 ` Frederic Barrat
2021-08-17 6:39 ` [PATCH v6 03/11] powerpc/pseries/iommu: Add iommu_pseries_alloc_table() helper Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 04/11] powerpc/pseries/iommu: Add ddw_list_new_entry() helper Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 05/11] powerpc/pseries/iommu: Allow DDW windows starting at 0x00 Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 06/11] powerpc/pseries/iommu: Add ddw_property_create() and refactor enable_ddw() Leonardo Bras
2021-08-27 16:55 ` Frederic Barrat
2021-08-17 6:39 ` [PATCH v6 07/11] powerpc/pseries/iommu: Reorganize iommu_table_setparms*() with new helper Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 08/11] powerpc/pseries/iommu: Update remove_dma_window() to accept property name Leonardo Bras
2021-08-27 16:58 ` Frederic Barrat
2021-08-17 6:39 ` [PATCH v6 09/11] powerpc/pseries/iommu: Find existing DDW with given " Leonardo Bras
2021-08-17 6:39 ` [PATCH v6 10/11] powerpc/pseries/iommu: Make use of DDW for indirect mapping Leonardo Bras
2021-08-27 17:06 ` Frederic Barrat
2021-08-27 17:53 ` Leonardo Brás [this message]
2021-08-17 6:39 ` [PATCH v6 11/11] powerpc/pseries/iommu: Rename "direct window" to "dma window" Leonardo Bras
2021-08-31 13:56 ` [PATCH v6 00/11] DDW + Indirect Mapping Michael Ellerman
[not found] ` <82ca56ab-6a0a-7cbb-a5e7-facc40f35c3c@linux.vnet.ibm.com>
2021-08-31 20:18 ` Leonardo Brás
2021-08-31 20:39 ` David Christensen
2021-08-31 20:49 ` Leonardo Brás
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