Re: [kvm-unit-tests PATCH v5 0/3] s390x: css: pv: css test adaptation for PV

From: Janosch Frank <frankja@linux.ibm.com>
To: Pierre Morel <pmorel@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com,
	cohuck@redhat.com, imbrenda@linux.ibm.com, drjones@redhat.com,
	pbonzini@redhat.com
Subject: Re: [kvm-unit-tests PATCH v5 0/3] s390x: css: pv: css test adaptation for PV
Date: Wed, 27 Jan 2021 13:37:50 +0100	[thread overview]
Message-ID: <6c141deb-819a-ef03-f44c-bd61561a2087@linux.ibm.com> (raw)
In-Reply-To: <1611322060-1972-1-git-send-email-pmorel@linux.ibm.com>

On 1/22/21 2:27 PM, Pierre Morel wrote:
> Hi all,
>   
> To adapt the CSS I/O tests to protected virtualisation we need
> utilities to: 
> 
> 1- allocate the I/O buffers in a private page using (patch 2)
>    It must be in a dedicated page to avoid exporting code or
>    guest private data to the host.
>    We accept a size in byte and flags and allocate page integral
>    memory to handle the Protected Virtualization.
>  
> 2- share the I/O buffers with the host (patch 1)
>    This patch uses the page allocator reworked by Claudio.
>  
> The 2 first patches are the implementation of the tools,
> patch 3 is the modification of the css.c test for PV.
> 
> The checkpatch always asked me to modify MAINTAINERS,
> so I added me as reviewer to be in copy for CSS at least.
> May be we could create a finer grain MAINTAINERS in the
> future.
> 
> regards,
> Pierre

Thanks, picked.

> 
> 
> Pierre Morel (3):
>   s390x: pv: implement routine to share/unshare memory
>   s390x: define UV compatible I/O allocation
>   s390x: css: pv: css test adaptation for PV
> 
>  lib/s390x/asm/uv.h    | 39 ++++++++++++++++++++++++
>  lib/s390x/css.h       |  3 +-
>  lib/s390x/css_lib.c   | 28 +++++------------
>  lib/s390x/malloc_io.c | 71 +++++++++++++++++++++++++++++++++++++++++++
>  lib/s390x/malloc_io.h | 45 +++++++++++++++++++++++++++
>  s390x/Makefile        |  1 +
>  s390x/css.c           | 43 ++++++++++++++++++--------
>  7 files changed, 196 insertions(+), 34 deletions(-)
>  create mode 100644 lib/s390x/malloc_io.c
>  create mode 100644 lib/s390x/malloc_io.h
> 