From: Oleksandr Tyshchenko <olekstysh@gmail.com>
To: Julien Grall <julien.grall@arm.com>
Cc: xen-devel@lists.xenproject.org,
Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Subject: Re: [PATCH v2 05/13] iommu/arm: Re-define iommu_use_hap_pt(d) as iommu_hap_pt_share
Date: Thu, 3 Aug 2017 15:33:39 +0300 [thread overview]
Message-ID: <CAPD2p-kdY4Le4vUP=Ym8jYUHNcvCNf-H0FZTOkwbzMETOufMHw@mail.gmail.com> (raw)
In-Reply-To: <753e2fe5-7355-3fb7-48ec-93da445c7168@arm.com>
Hi, Julien
On Thu, Aug 3, 2017 at 2:23 PM, Julien Grall <julien.grall@arm.com> wrote:
> Hi Oleksandr,
>
> On 25/07/17 18:26, Oleksandr Tyshchenko wrote:
>>
>> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>>
>> Not every integrated into ARM SoCs IOMMU can share page tables
>> with the CPU and as the result the iommu_use_hap_pt(d) mustn't
>> always be true.
>> Reuse x86's iommu_hap_pt_share flag to indicate whether the IOMMU
>> page table is shared or not.
>>
>> As P2M table must always be shared between the CPU and the SMMU
>> print an error message and bail out if this flag was previously unset.
>>
>> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>> CC: Julien Grall <julien.grall@arm.com>
>
>
> Reviewed-by: Julien Grall <julien.grall@arm.com>
Thank you!
>
> Cheers,
>
> --
> Julien Grall
--
Regards,
Oleksandr Tyshchenko
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next prev parent reply other threads:[~2017-08-03 12:33 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-25 17:26 [PATCH v2 00/13] "Non-shared" IOMMU support on ARM Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 01/13] xen/device-tree: Add dt_count_phandle_with_args helper Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 02/13] iommu: Add extra order argument to the IOMMU APIs and platform callbacks Oleksandr Tyshchenko
2017-08-03 11:21 ` Julien Grall
2017-08-03 12:32 ` Oleksandr Tyshchenko
2017-08-21 16:20 ` Oleksandr Tyshchenko
2017-08-22 7:21 ` Jan Beulich
2017-08-22 10:28 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 03/13] xen/arm: p2m: Add helper to convert p2m type to IOMMU flags Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 04/13] xen/arm: p2m: Update IOMMU mapping whenever possible if page table is not shared Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 05/13] iommu/arm: Re-define iommu_use_hap_pt(d) as iommu_hap_pt_share Oleksandr Tyshchenko
2017-08-03 11:23 ` Julien Grall
2017-08-03 12:33 ` Oleksandr Tyshchenko [this message]
2017-07-25 17:26 ` [PATCH v2 06/13] iommu: Add extra use_iommu argument to iommu_domain_init() Oleksandr Tyshchenko
2017-08-21 16:29 ` Oleksandr Tyshchenko
2017-12-06 16:51 ` Jan Beulich
2017-12-06 19:53 ` Oleksandr Tyshchenko
2017-12-06 22:49 ` Julien Grall
2017-12-07 12:08 ` Oleksandr Tyshchenko
2017-12-07 12:51 ` Jan Beulich
2017-07-25 17:26 ` [PATCH v2 07/13] iommu: Make decision about needing IOMMU for hardware domains in advance Oleksandr Tyshchenko
2017-08-21 16:30 ` Oleksandr Tyshchenko
2017-12-06 17:01 ` Jan Beulich
2017-12-06 19:23 ` Oleksandr Tyshchenko
2017-12-07 8:57 ` Jan Beulich
2017-12-07 13:50 ` Oleksandr Tyshchenko
2017-12-07 13:57 ` Jan Beulich
2017-12-08 12:28 ` Oleksandr Tyshchenko
2018-01-18 12:09 ` Roger Pau Monné
2018-01-18 14:50 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 08/13] iommu/arm: Misc fixes for arch specific part Oleksandr Tyshchenko
2017-08-03 11:31 ` Julien Grall
2017-08-03 12:34 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 09/13] xen/arm: Add use_iommu flag to xen_arch_domainconfig Oleksandr Tyshchenko
2017-07-28 16:16 ` Wei Liu
2017-07-28 16:30 ` Oleksandr Tyshchenko
2017-08-03 11:33 ` Julien Grall
2017-08-03 12:31 ` Oleksandr Tyshchenko
2017-08-03 12:35 ` Julien Grall
2017-07-25 17:26 ` [PATCH v2 10/13] xen/arm: domain_build: Don't expose IOMMU specific properties to the guest Oleksandr Tyshchenko
2017-08-03 11:37 ` Julien Grall
2017-08-03 13:24 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 11/13] iommu/arm: smmu: Squash map_pages/unmap_pages with map_page/unmap_page Oleksandr Tyshchenko
2017-08-03 12:36 ` Julien Grall
2017-08-03 13:26 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 12/13] [RFC] iommu: VT-d: " Oleksandr Tyshchenko
2017-08-21 16:44 ` Oleksandr Tyshchenko
2017-09-12 14:44 ` Oleksandr Tyshchenko
2017-09-20 8:54 ` Tian, Kevin
2017-09-20 18:23 ` Oleksandr Tyshchenko
2017-07-25 17:26 ` [PATCH v2 13/13] [RFC] iommu: AMD-Vi: " Oleksandr Tyshchenko
2017-08-21 16:44 ` Oleksandr Tyshchenko
2017-09-12 14:45 ` Oleksandr Tyshchenko
2017-07-31 5:57 ` [PATCH v2 00/13] "Non-shared" IOMMU support on ARM Tian, Kevin
2017-07-31 11:57 ` Oleksandr Tyshchenko
2017-08-01 3:06 ` Tian, Kevin
2017-08-01 11:08 ` Oleksandr Tyshchenko
2017-08-02 6:12 ` Tian, Kevin
2017-08-02 17:47 ` Oleksandr Tyshchenko
2017-08-01 18:09 ` Julien Grall
2017-08-01 18:20 ` Oleksandr Tyshchenko
2017-08-01 17:56 ` Julien Grall
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