From: Cornelia Huck <cohuck@redhat.com>
To: Pierre Morel <pmorel@linux.ibm.com>
Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
frankja@linux.ibm.com, david@redhat.com, thuth@redhat.com,
imbrenda@linux.ibm.com, drjones@redhat.com, pbonzini@redhat.com
Subject: Re: [kvm-unit-tests PATCH v5 2/3] s390x: define UV compatible I/O allocation
Date: Wed, 27 Jan 2021 11:47:27 +0100 [thread overview]
Message-ID: <20210127114727.1be31923.cohuck@redhat.com> (raw)
In-Reply-To: <1611322060-1972-3-git-send-email-pmorel@linux.ibm.com>
On Fri, 22 Jan 2021 14:27:39 +0100
Pierre Morel <pmorel@linux.ibm.com> wrote:
> To centralize the memory allocation for I/O we define
> the alloc_io_mem/free_io_mem functions which share the I/O
> memory with the host in case the guest runs with
> protected virtualization.
>
> These functions allocate on a page integral granularity to
> ensure a dedicated sharing of the allocated objects.
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
> lib/s390x/malloc_io.c | 71 +++++++++++++++++++++++++++++++++++++++++++
> lib/s390x/malloc_io.h | 45 +++++++++++++++++++++++++++
> s390x/Makefile | 1 +
> 3 files changed, 117 insertions(+)
> create mode 100644 lib/s390x/malloc_io.c
> create mode 100644 lib/s390x/malloc_io.h
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2021-01-27 10:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 13:27 [kvm-unit-tests PATCH v5 0/3] s390x: css: pv: css test adaptation for PV Pierre Morel
2021-01-22 13:27 ` [kvm-unit-tests PATCH v5 1/3] s390x: pv: implement routine to share/unshare memory Pierre Morel
2021-01-22 13:33 ` Janosch Frank
2021-01-22 15:44 ` Pierre Morel
2021-01-22 13:27 ` [kvm-unit-tests PATCH v5 2/3] s390x: define UV compatible I/O allocation Pierre Morel
2021-01-22 13:57 ` Janosch Frank
2021-01-22 15:38 ` Pierre Morel
2021-01-22 14:12 ` Thomas Huth
2021-01-22 15:43 ` Pierre Morel
2021-01-27 10:47 ` Cornelia Huck [this message]
2021-01-27 12:40 ` Pierre Morel
2021-01-22 13:27 ` [kvm-unit-tests PATCH v5 3/3] s390x: css: pv: css test adaptation for PV Pierre Morel
2021-01-27 12:37 ` [kvm-unit-tests PATCH v5 0/3] " Janosch Frank
2021-01-27 12:40 ` Pierre Morel
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