From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Date: Mon, 06 Jan 2020 23:33:18 +0000
Subject: Re: [PATCH kernel v2 1/4] Revert "powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests"
Message-Id: <47sBdp41NSz9sRf@ozlabs.org>
List-Id: <kvm-ppc.vger.kernel.org>
In-Reply-To: <20191216041924.42318-2-aik@ozlabs.ru>
References: <20191216041924.42318-2-aik@ozlabs.ru>
In-Reply-To: <20191216041924.42318-2-aik@ozlabs.ru>
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To: Alexey Kardashevskiy <aik@ozlabs.ru>, linuxppc-dev@lists.ozlabs.org
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>, Michael Anderson <andmike@linux.ibm.com>, Ram Pai <linuxram@us.ibm.com>, kvm-ppc@vger.kernel.org, Thiago Jung Bauermann <bauerman@linux.ibm.com>, David Gibson <david@gibson.dropbear.id.au>

On Mon, 2019-12-16 at 04:19:21 UTC, Alexey Kardashevskiy wrote:
> From: Ram Pai <linuxram@us.ibm.com>
> 
> This reverts commit edea902c1c1efb855f77e041f9daf1abe7a9768a.
> 
> At the time the change allowed direct DMA ops for secure VMs; however
> since then we switched on using SWIOTLB backed with IOMMU (direct mapping)
> and to make this work, we need dma_iommu_ops which handles all cases
> including TCE mapping I/O pages in the presence of an IOMMU.
> 
> Fixes: edea902c1c1e ("powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests")
> Signed-off-by: Ram Pai <linuxram@us.ibm.com>
> [aik: added "revert" and "fixes:"]
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/d862b44133b7a1d7de25288e09eabf4df415e971

cheers