From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Gaurav Batra <gbatra@linux.vnet.ibm.com>
Cc: brking@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
gjoyce@linux.vnet.ibm.com
Subject: Re: [PATCH] iommu/powerpc: Incorrect DDW Table is referenced for SR-IOV device
Date: Mon, 03 Jul 2023 15:21:16 +1000 [thread overview]
Message-ID: <168836167609.46386.15513128327806769435.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20230505184701.91613-1-gbatra@linux.vnet.ibm.com>
On Fri, 05 May 2023 13:47:01 -0500, Gaurav Batra wrote:
> For an SR-IOV device, while enabling DDW, a new table is created and added
> at index 1 in the group. In the below 2 scenarios, the table is incorrectly
> referenced at index 0 (which is where the table is for default DMA window).
>
> 1. When adding DDW
>
> This issue is exposed with "slub_debug". Error thrown out from
> dma_iommu_dma_supported()
>
> [...]
Applied to powerpc/fixes.
[1/1] iommu/powerpc: Incorrect DDW Table is referenced for SR-IOV device
https://git.kernel.org/powerpc/c/1f7aacc5eb9ed2cc17be7a90da5cd559effb9d59
cheers
prev parent reply other threads:[~2023-07-03 5:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-05 18:47 [PATCH] iommu/powerpc: Incorrect DDW Table is referenced for SR-IOV device Gaurav Batra
2023-07-03 5:21 ` Michael Ellerman [this message]
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