From: Oleksandr <olekstysh@gmail.com>
To: Julien Grall <julien.grall@arm.com>, xen-devel@lists.xenproject.org
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
sstabellini@kernel.org, Volodymyr_Babchuk@epam.com
Subject: Re: [Xen-devel] [PATCH V3 1/8] iommu/arm: Add iommu_helpers.c file to keep common for IOMMUs stuff
Date: Mon, 9 Sep 2019 17:12:17 +0300 [thread overview]
Message-ID: <48f2d21d-a3b5-c422-59a5-cda9a2b80f91@gmail.com> (raw)
In-Reply-To: <899e4076-d47e-a7e6-14e5-dba21124a330@arm.com>
On 09.09.19 14:45, Julien Grall wrote:
> Hi Oleksandr,
Hi, Julien
>
> On 8/20/19 7:09 PM, Oleksandr Tyshchenko wrote:
>> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>>
>> Introduce a separate file to keep various helpers which could be used
>> by more than one IOMMU driver in order not to duplicate code.
>>
>> The first candidates to be moved to the new file are SMMU driver's
>> "map_page/unmap_page" callbacks. There callbacks neither contain any
>
> s/There/These/ I think.
ok
>
>> static __init const struct arm_smmu_device *find_smmu(const struct
>> device *dev)
>> diff --git a/xen/include/asm-arm/iommu.h b/xen/include/asm-arm/iommu.h
>> index 904c9ae..20d865e 100644
>> --- a/xen/include/asm-arm/iommu.h
>> +++ b/xen/include/asm-arm/iommu.h
>> @@ -26,6 +26,13 @@ struct arch_iommu
>> const struct iommu_ops *iommu_get_ops(void);
>> void iommu_set_ops(const struct iommu_ops *ops);
>> +/* mapping helpers */
>
> I would specify this only works when the PT is shared between the
> IOMMU and CPU.
ok
>
>
> With the two requests addressed:
>
> Acked-by: Julien Grall <julien.grall@arm.com>
Thank you
--
Regards,
Oleksandr Tyshchenko
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next prev parent reply other threads:[~2019-09-09 14:12 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 18:09 [Xen-devel] [PATCH V3 0/8] iommu/arm: Add Renesas IPMMU-VMSA support + Linux's iommu_fwspec Oleksandr Tyshchenko
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 1/8] iommu/arm: Add iommu_helpers.c file to keep common for IOMMUs stuff Oleksandr Tyshchenko
2019-09-09 11:45 ` Julien Grall
2019-09-09 14:12 ` Oleksandr [this message]
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 2/8] iommu/arm: Add ability to handle deferred probing request Oleksandr Tyshchenko
2019-09-09 12:24 ` Julien Grall
2019-09-09 14:19 ` Oleksandr
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 3/8] xen/common: Introduce _xrealloc function Oleksandr Tyshchenko
2019-08-21 8:09 ` Paul Durrant
2019-08-21 14:36 ` Oleksandr
2019-08-21 15:47 ` Paul Durrant
2019-08-21 17:04 ` Oleksandr
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 4/8] xen/common: Introduce xrealloc_flex_struct() helper macros Oleksandr Tyshchenko
2019-08-27 13:28 ` Jan Beulich
2019-08-28 18:23 ` Oleksandr
2019-08-29 7:21 ` Jan Beulich
2019-08-29 19:04 ` Oleksandr
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 5/8] iommu/arm: Add lightweight iommu_fwspec support Oleksandr Tyshchenko
2019-09-09 14:36 ` Julien Grall
2019-09-09 14:41 ` Oleksandr
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 6/8] iommu: Add of_xlate callback Oleksandr Tyshchenko
2019-08-27 13:30 ` Jan Beulich
2019-08-27 14:59 ` Oleksandr
2019-08-27 15:11 ` Jan Beulich
2019-09-09 12:37 ` Julien Grall
2019-09-09 14:28 ` Oleksandr
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 7/8] iommu/arm: Introduce iommu_add_dt_device API Oleksandr Tyshchenko
2019-09-09 15:04 ` Julien Grall
2019-09-09 15:48 ` Oleksandr
2019-09-10 13:34 ` Oleksandr
2019-09-10 14:30 ` Julien Grall
2019-08-20 18:09 ` [Xen-devel] [PATCH V3 8/8] iommu/arm: Add Renesas IPMMU-VMSA support Oleksandr Tyshchenko
2019-08-29 8:37 ` Yoshihiro Shimoda
2019-08-29 10:56 ` Oleksandr
2019-09-02 7:04 ` Yoshihiro Shimoda
2019-09-09 14:33 ` Oleksandr
2019-08-29 11:19 ` Oleksandr
2019-09-09 21:24 ` Julien Grall
2019-09-10 11:04 ` Oleksandr
2019-09-10 14:31 ` Julien Grall
2019-09-11 15:29 ` Oleksandr
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