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From: Will Deacon <will@kernel.org>
To: Nadav Amit <nadav.amit@gmail.com>
Cc: Joerg Roedel <joro@8bytes.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Jiajun Cao <caojiajun@vmware.com>,
	Lu Baolu <baolu.lu@linux.intel.com>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/6] iommu: Improve iommu_iotlb_gather helpers
Date: Fri, 11 Jun 2021 14:50:39 +0100	[thread overview]
Message-ID: <20210611135039.GB15776@willie-the-truck> (raw)
In-Reply-To: <20210607182541.119756-4-namit@vmware.com>

On Mon, Jun 07, 2021 at 11:25:38AM -0700, Nadav Amit wrote:
> From: Robin Murphy <robin.murphy@arm.com>
> 
> The Mediatek driver is not the only one which might want a basic
> address-based gathering behaviour, so although it's arguably simple
> enough to open-code, let's factor it out for the sake of cleanliness.
> Let's also take this opportunity to document the intent of these
> helpers for clarity.
> 
> Cc: Joerg Roedel <joro@8bytes.org>
> Cc: Will Deacon <will@kernel.org>
> Cc: Jiajun Cao <caojiajun@vmware.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Lu Baolu <baolu.lu@linux.intel.com>
> Cc: iommu@lists.linux-foundation.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> 
> ---
> 
> Changes from Robin's version:
> * Added iommu_iotlb_gather_add_range() stub !CONFIG_IOMMU_API
> * Use iommu_iotlb_gather_add_range() in iommu_iotlb_gather_add_page()
> ---
>  drivers/iommu/mtk_iommu.c |  5 +----
>  include/linux/iommu.h     | 43 ++++++++++++++++++++++++++++++++++-----
>  2 files changed, 39 insertions(+), 9 deletions(-)

Acked-by: Will Deacon <will@kernel.org>

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Nadav Amit <nadav.amit@gmail.com>
Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
	Jiajun Cao <caojiajun@vmware.com>,
	Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v3 3/6] iommu: Improve iommu_iotlb_gather helpers
Date: Fri, 11 Jun 2021 14:50:39 +0100	[thread overview]
Message-ID: <20210611135039.GB15776@willie-the-truck> (raw)
In-Reply-To: <20210607182541.119756-4-namit@vmware.com>

On Mon, Jun 07, 2021 at 11:25:38AM -0700, Nadav Amit wrote:
> From: Robin Murphy <robin.murphy@arm.com>
> 
> The Mediatek driver is not the only one which might want a basic
> address-based gathering behaviour, so although it's arguably simple
> enough to open-code, let's factor it out for the sake of cleanliness.
> Let's also take this opportunity to document the intent of these
> helpers for clarity.
> 
> Cc: Joerg Roedel <joro@8bytes.org>
> Cc: Will Deacon <will@kernel.org>
> Cc: Jiajun Cao <caojiajun@vmware.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Lu Baolu <baolu.lu@linux.intel.com>
> Cc: iommu@lists.linux-foundation.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> 
> ---
> 
> Changes from Robin's version:
> * Added iommu_iotlb_gather_add_range() stub !CONFIG_IOMMU_API
> * Use iommu_iotlb_gather_add_range() in iommu_iotlb_gather_add_page()
> ---
>  drivers/iommu/mtk_iommu.c |  5 +----
>  include/linux/iommu.h     | 43 ++++++++++++++++++++++++++++++++++-----
>  2 files changed, 39 insertions(+), 9 deletions(-)

Acked-by: Will Deacon <will@kernel.org>

Will
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iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2021-06-11 13:50 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-07 18:25 [PATCH v3 0/6] iommu/amd: Enable page-selective flushes Nadav Amit
2021-06-07 18:25 ` Nadav Amit
2021-06-07 18:25 ` [PATCH v3 1/6] iommu/amd: Selective flush on unmap Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-07 18:25 ` [PATCH v3 2/6] iommu/amd: Do not use flush-queue when NpCache is on Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-15 13:08   ` Robin Murphy
2021-06-15 13:08     ` Robin Murphy
2021-06-15 18:26     ` Nadav Amit
2021-06-15 18:26       ` Nadav Amit
2021-06-15 19:36       ` Robin Murphy
2021-06-15 19:36         ` Robin Murphy
2021-06-07 18:25 ` [PATCH v3 3/6] iommu: Improve iommu_iotlb_gather helpers Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-11 13:50   ` Will Deacon [this message]
2021-06-11 13:50     ` Will Deacon
2021-06-15 10:42   ` Robin Murphy
2021-06-15 10:42     ` Robin Murphy
2021-06-15 19:05     ` Nadav Amit
2021-06-15 19:05       ` Nadav Amit
2021-06-15 19:07       ` Nadav Amit
2021-06-15 19:07         ` Nadav Amit
2021-06-15 12:29   ` Yong Wu
2021-06-15 12:29     ` Yong Wu
2021-06-15 12:41     ` Robin Murphy
2021-06-15 12:41       ` Robin Murphy
2021-06-07 18:25 ` [PATCH v3 4/6] iommu: Factor iommu_iotlb_gather_is_disjoint() out Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-11 13:57   ` Will Deacon
2021-06-11 13:57     ` Will Deacon
2021-06-11 16:50     ` Nadav Amit
2021-06-11 16:50       ` Nadav Amit
2021-06-15 10:29       ` Will Deacon
2021-06-15 10:29         ` Will Deacon
2021-06-15 18:54         ` Nadav Amit
2021-06-15 18:54           ` Nadav Amit
2021-06-07 18:25 ` [PATCH v3 5/6] iommu/amd: Tailored gather logic for AMD Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-15 12:55   ` Robin Murphy
2021-06-15 12:55     ` Robin Murphy
2021-06-15 18:14     ` Nadav Amit
2021-06-15 18:14       ` Nadav Amit
2021-06-15 19:20       ` Robin Murphy
2021-06-15 19:20         ` Robin Murphy
2021-06-15 19:46         ` Nadav Amit
2021-06-15 19:46           ` Nadav Amit
2021-06-07 18:25 ` [PATCH v3 6/6] iommu/amd: Sync once for scatter-gather operations Nadav Amit
2021-06-07 18:25   ` Nadav Amit
2021-06-15 11:25   ` Robin Murphy
2021-06-15 11:25     ` Robin Murphy
2021-06-15 18:51     ` Nadav Amit
2021-06-15 18:51       ` Nadav Amit

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