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From: Rahul Singh <Rahul.Singh@arm.com>
To: Julien Grall <julien@xen.org>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	Bertrand Marquis <Bertrand.Marquis@arm.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
Subject: Re: [PATCH v2 3/8] xen/arm: revert patch related to XArray
Date: Thu, 3 Dec 2020 12:57:05 +0000	[thread overview]
Message-ID: <2B1A7090-F07C-4DF9-BDEC-6E5A2D715DB4@arm.com> (raw)
In-Reply-To: <266b918c-b9c4-e067-b8dc-4e879c913af5@xen.org>

Hello Julien,

> On 2 Dec 2020, at 1:46 pm, Julien Grall <julien@xen.org> wrote:
> 
> Hi Rahul,
> 
> On 26/11/2020 17:02, Rahul Singh wrote:
>> XArray is not implemented in XEN revert the patch that introduce the
>> XArray code in SMMUv3 driver.
> 
> Similar to the atomic revert, you are explaining why the revert but not the consequences. I think this is quite important to have them outline in the commit message as it looks like it means the SMMU driver would not scale.

Ok I will add.
> 
>> Once XArray is implemented in XEN this patch can be added in XEN.
> 
> What's the plan for that?

As of now there is no plan for Xarray from our side.  
Do we have requirement for Xarray implementation in XEN ?

Regards,
Rahul

> 
> Cheers,
> 
> -- 
> Julien Grall



  reply	other threads:[~2020-12-03 12:57 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-26 17:01 [PATCH v2 0/8] xen/arm: Add support for SMMUv3 driver Rahul Singh
2020-11-26 17:02 ` [PATCH v2 1/8] xen/arm: Import the SMMUv3 driver from Linux Rahul Singh
2020-12-01 22:01   ` Stefano Stabellini
2020-11-26 17:02 ` [PATCH v2 2/8] xen/arm: revert atomic operation related command-queue insertion patch Rahul Singh
2020-12-01 22:23   ` Stefano Stabellini
2020-12-02 13:05     ` Rahul Singh
2020-12-02 13:44   ` Julien Grall
2020-12-03 11:49     ` Rahul Singh
2020-11-26 17:02 ` [PATCH v2 3/8] xen/arm: revert patch related to XArray Rahul Singh
2020-12-02  0:20   ` Stefano Stabellini
2020-12-02 13:46   ` Julien Grall
2020-12-03 12:57     ` Rahul Singh [this message]
2020-12-04  8:52       ` Julien Grall
2020-11-26 17:02 ` [PATCH v2 4/8] xen/arm: Remove support for MSI on SMMUv3 Rahul Singh
2020-12-02  0:33   ` Stefano Stabellini
2020-12-02  0:40     ` Stefano Stabellini
2020-12-02 13:12       ` Rahul Singh
2020-12-02 14:11         ` Julien Grall
2020-12-03 12:59           ` Rahul Singh
2020-11-26 17:02 ` [PATCH v2 5/8] xen/arm: Remove support for PCI ATS " Rahul Singh
2020-12-02  0:39   ` Stefano Stabellini
2020-12-02 13:07     ` Rahul Singh
2020-12-02 13:57   ` Julien Grall
2020-11-26 17:02 ` [PATCH v2 6/8] xen/arm: Remove support for Stage-1 translation " Rahul Singh
2020-12-02  0:53   ` Stefano Stabellini
2020-12-02 13:13     ` Rahul Singh
2020-11-26 17:02 ` [PATCH v2 7/8] xen/arm: Remove Linux specific code that is not usable in XEN Rahul Singh
2020-12-02  1:48   ` Stefano Stabellini
2020-12-02 14:34     ` Rahul Singh
2020-12-02 14:39       ` Julien Grall
2020-12-02 14:45   ` Julien Grall
2020-12-03 14:33     ` Rahul Singh
2020-12-04  9:05       ` Julien Grall
2020-12-07 10:36         ` Rahul Singh
2020-12-07 10:55           ` Julien Grall
2020-11-26 17:02 ` [PATCH v2 8/8] xen/arm: Add support for SMMUv3 driver Rahul Singh
2020-12-02  2:51   ` Stefano Stabellini
2020-12-02 16:27     ` Rahul Singh
2020-12-02 19:26       ` Rahul Singh
2020-12-02 16:47     ` Julien Grall
2020-12-03  4:13       ` Stefano Stabellini
2020-12-03 14:40         ` Rahul Singh
2020-12-03 18:47           ` Stefano Stabellini
2020-12-07  8:33             ` Rahul Singh
2020-12-02 16:22   ` Julien Grall
2020-12-07 12:12     ` Rahul Singh
2020-12-07 17:39       ` Julien Grall
2020-12-07 18:42         ` Rahul Singh
2020-12-08 19:05           ` Julien Grall
2020-12-09  1:19             ` Stefano Stabellini
2020-12-09  7:55               ` Bertrand Marquis
2020-12-09  9:18                 ` Julien Grall
2020-12-09 18:37                   ` Rahul Singh

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