linux-kernel - Re: [PATCH v3] iommu/dma: Fix IOVA reserve dma ranges

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Message-ID: <YLpH0jpLzg5R1K5o@8bytes.org>
Date:   Fri, 4 Jun 2021 17:33:38 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Srinath Mannam <srinath.mannam@...adcom.com>
Cc:     Robin Murphy <robin.murphy@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, poza@...eaurora.org,
        bcm-kernel-feedback-list@...adcom.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] iommu/dma: Fix IOVA reserve dma ranges

On Mon, Sep 14, 2020 at 12:53:19PM +0530, Srinath Mannam wrote:
> Fix IOVA reserve failure in the case when address of first memory region
> listed in dma-ranges is equal to 0x0.
> 
> Fixes: aadad097cd46f ("iommu/dma: Reserve IOVA for PCIe inaccessible DMA address")
> Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com>
> ---
> Changes from v2:
>    Modify error message with useful information based on Bjorn's comments.
> 
> Changes from v1:
>    Removed unnecessary changes based on Robin's review comments.
> 
>  drivers/iommu/dma-iommu.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Applied, thanks.