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Date: Fri, 21 Feb 2020 13:39:31 +0100
From: Cornelia Huck <cohuck@redhat.com>
Subject: Re: [PATCH v3 03/37] s390/protvirt: introduce host side setup
Message-ID: <20200221133931.043a7bbb.cohuck@redhat.com>
In-Reply-To: <20200220104020.5343-4-borntraeger@de.ibm.com>
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To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Janosch Frank <frankja@linux.vnet.ibm.com>, KVM <kvm@vger.kernel.org>, David Hildenbrand <david@redhat.com>, Thomas Huth <thuth@redhat.com>, Ulrich Weigand <Ulrich.Weigand@de.ibm.com>, Claudio Imbrenda <imbrenda@linux.ibm.com>, linux-s390 <linux-s390@vger.kernel.org>, Michael Mueller <mimu@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>

On Thu, 20 Feb 2020 05:39:46 -0500
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> From: Vasily Gorbik <gor@linux.ibm.com>
> 
> Add "prot_virt" command line option which controls if the kernel
> protected VMs support is enabled at early boot time. This has to be
> done early, because it needs large amounts of memory and will disable
> some features like STP time sync for the lpar.
> 
> Extend ultravisor info definitions and expose it via uv_info struct
> filled in during startup.
> 
> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> Acked-by: David Hildenbrand <david@redhat.com>
> [borntraeger@de.ibm.com: patch merging, splitting, fixing]
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  .../admin-guide/kernel-parameters.txt         |  5 ++
>  arch/s390/boot/Makefile                       |  2 +-
>  arch/s390/boot/uv.c                           | 21 +++++++-
>  arch/s390/include/asm/uv.h                    | 46 +++++++++++++++-
>  arch/s390/kernel/Makefile                     |  1 +
>  arch/s390/kernel/setup.c                      |  4 --
>  arch/s390/kernel/uv.c                         | 52 +++++++++++++++++++
>  7 files changed, 123 insertions(+), 8 deletions(-)
>  create mode 100644 arch/s390/kernel/uv.c

Reviewed-by: Cornelia Huck <cohuck@redhat.com>