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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Oleksandr Tyshchenko <olekstysh@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	Bertrand Marquis <bertrand.marquis@arm.com>
Subject: RE: [PATCH 04/10] iommu/ipmmu-vmsa: Add light version of Linux's ipmmu_features
Date: Tue, 14 Dec 2021 12:05:56 +0000	[thread overview]
Message-ID: <TY2PR01MB3692ACF84DD7938E620B8267D8759@TY2PR01MB3692.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <1638035505-16931-5-git-send-email-olekstysh@gmail.com>

Hello Oleksandr-san,

> From: Oleksandr Tyshchenko, Sent: Sunday, November 28, 2021 2:52 AM
> 
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
> 
> This is a prereq work needed to add support for S4 series easily
> in the future.
> 
> We don't need to pull the whole struct and all instances as Xen
> driver doesn't support old Arm32 based Gen2 SoCs, so there is no
> point in keeping all differences between Gen2 and Gen3 here.
> All what we need is a minimal support to be able to operate with
> Gen3 and new S4.
> 
> Add Gen3 specific info with only two fields (number_of_contexts and
> num_utlbs) for now, the subsequent patches will add remaining bits.
> 
> No change in behavior.
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>

Thank you for the patch!

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

Best regards,
Yoshihiro Shimoda



  reply	other threads:[~2021-12-14 12:06 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-27 17:51 [PATCH 00/10] Add support for Renesas R-Car S4 IPMMU and other misc changes Oleksandr Tyshchenko
2021-11-27 17:51 ` [PATCH 01/10] iommu/ipmmu-vmsa: Remove all unused register definitions Oleksandr Tyshchenko
2021-12-14 12:05   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 02/10] iommu/ipmmu-vmsa: Add helper functions for MMU "context" registers Oleksandr Tyshchenko
2021-12-14 12:05   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 03/10] iommu/ipmmu-vmsa: Add helper functions for "uTLB" registers Oleksandr Tyshchenko
2021-12-14 12:05   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 04/10] iommu/ipmmu-vmsa: Add light version of Linux's ipmmu_features Oleksandr Tyshchenko
2021-12-14 12:05   ` Yoshihiro Shimoda [this message]
2021-11-27 17:51 ` [PATCH 05/10] iommu/ipmmu-vmsa: Calculate context registers' offset instead of a macro Oleksandr Tyshchenko
2021-12-14 12:06   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 06/10] iommu/ipmmu-vmsa: Add utlb_offset_base Oleksandr Tyshchenko
2021-12-14 12:07   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 07/10] iommu/ipmmu-vmsa: Add Renesas R8A779F0 (R-Car S4) support Oleksandr Tyshchenko
2021-12-14 12:10   ` Yoshihiro Shimoda
2021-12-14 12:38     ` Oleksandr
2021-11-27 17:51 ` [PATCH 08/10] iommu/ipmmu-vmsa: Set IPMMU bit IMSCTLR_USE_SECGRP to 0 Oleksandr Tyshchenko
2021-12-15  2:44   ` Volodymyr Babchuk
2021-12-16 12:48   ` Yoshihiro Shimoda
2021-12-16 16:45     ` Oleksandr
2021-11-27 17:51 ` [PATCH 09/10] iommu/ipmmu-vmsa: Use refcount for the micro-TLBs Oleksandr Tyshchenko
2021-12-15  2:58   ` Volodymyr Babchuk
2021-12-15 13:41     ` Oleksandr
2021-12-16 13:20   ` Yoshihiro Shimoda
2021-11-27 17:51 ` [PATCH 10/10] iommu/arm: Remove code duplication in all IOMMU drivers Oleksandr Tyshchenko
2021-12-15  3:03   ` Volodymyr Babchuk
2021-12-16 13:22   ` Yoshihiro Shimoda
2021-12-13 10:05 ` [PATCH 00/10] Add support for Renesas R-Car S4 IPMMU and other misc changes Oleksandr
2021-12-13 10:11   ` Julien Grall
2021-12-13 11:38     ` Oleksandr
2022-01-26 16:20 ` Julien Grall
2022-01-26 16:28   ` Oleksandr Tyshchenko
2022-01-26 16:30     ` Julien Grall

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