From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Date: Sun, 23 Dec 2018 13:28:14 +0000
Subject: Re: [kernel] powerpc/powernv/ioda: Allocate indirect TCE levels of cached userspace addresses on dem
Message-Id: <43N38c3ZT6z9sPD@ozlabs.org>
List-Id: <kvm-ppc.vger.kernel.org>
In-Reply-To: <20180928064539.39050-1-aik@ozlabs.ru>
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To: Alexey Kardashevskiy <aik@ozlabs.ru>, linuxppc-dev@lists.ozlabs.org
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>, kvm-ppc@vger.kernel.org, David Gibson <david@gibson.dropbear.id.au>

On Fri, 2018-09-28 at 06:45:39 UTC, Alexey Kardashevskiy wrote:
> The powernv platform maintains 2 TCE tables for VFIO - a hardware TCE
> table and a table with userspace addresses; the latter is used for
> marking pages dirty when corresponging TCEs are unmapped from
> the hardware table.
> 
> a68bd1267b72 ("powerpc/powernv/ioda: Allocate indirect TCE levels
> on demand") enabled on-demand allocation of the hardware table,
> however it missed the other table so it has still been fully allocated
> at the boot time. This fixes the issue by allocating a single level,
> just like we do for the hardware table.
> 
> Fixes: a68bd1267b72 ("powerpc/powernv/ioda: Allocate indirect TCE levels on demand")
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bdbf649efe21173cae63b4b71db841

cheers