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From: Cornelia Huck <cohuck@redhat.com>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	Sebastian Ott <sebott@linux.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	virtualization@lists.linux-foundation.org,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Christoph Hellwig <hch@infradead.org>,
	Thomas Huth <thuth@redhat.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Viktor Mihajlovski <mihajlov@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	Michael Mueller <mimu@linux.ibm.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	Farhan Ali <alifm@linux.ibm.com>,
	Eric Farman <farman@linux.ibm.com>,
	"Jason J. Herne" <jjherne@linux.ibm.com>
Subject: Re: [PATCH v4 8/8] virtio/s390: make airq summary indicators DMA
Date: Tue, 11 Jun 2019 12:19:58 +0200	[thread overview]
Message-ID: <20190611121958.28cea8e8.cohuck@redhat.com> (raw)
In-Reply-To: <20190606115127.55519-9-pasic@linux.ibm.com>

On Thu,  6 Jun 2019 13:51:27 +0200
Halil Pasic <pasic@linux.ibm.com> wrote:

> Hypervisor needs to interact with the summary indicators, so these
> need to be DMA memory as well (at least for protected virtualization
> guests).
> 
> Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
> ---
>  drivers/s390/virtio/virtio_ccw.c | 32 ++++++++++++++++++++++++--------
>  1 file changed, 24 insertions(+), 8 deletions(-)

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

  reply	other threads:[~2019-06-11 10:20 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06 11:51 [PATCH v4 0/8] s390: virtio: support protected virtualization Halil Pasic
2019-06-06 11:51 ` [PATCH v4 1/8] s390/mm: force swiotlb for " Halil Pasic
2019-06-06 11:51 ` [PATCH v4 2/8] s390/cio: introduce DMA pools to cio Halil Pasic
2019-06-11  9:55   ` Cornelia Huck
2019-06-12  6:30   ` Cornelia Huck
2019-06-06 11:51 ` [PATCH v4 3/8] s390/cio: add basic protected virtualization support Halil Pasic
2019-06-06 11:51 ` [PATCH v4 4/8] s390/airq: use DMA memory for adapter interrupts Halil Pasic
2019-06-11 10:17   ` Cornelia Huck
2019-06-11 14:27     ` Halil Pasic
2019-06-11 16:19       ` Cornelia Huck
2019-06-12  0:32         ` Halil Pasic
2019-06-12  6:21           ` Cornelia Huck
2019-06-12 13:33             ` Halil Pasic
2019-06-12 13:46               ` Cornelia Huck
2019-06-06 11:51 ` [PATCH v4 5/8] virtio/s390: use cacheline aligned airq bit vectors Halil Pasic
2019-06-06 11:51 ` [PATCH v4 6/8] virtio/s390: add indirection to indicators access Halil Pasic
2019-06-06 11:51 ` [PATCH v4 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers Halil Pasic
2019-06-11 10:30   ` Cornelia Huck
2019-06-06 11:51 ` [PATCH v4 8/8] virtio/s390: make airq summary indicators DMA Halil Pasic
2019-06-11 10:19   ` Cornelia Huck [this message]
2019-06-11 10:37 ` [PATCH v4 0/8] s390: virtio: support protected virtualization Cornelia Huck
2019-06-11 10:44   ` Michael S. Tsirkin

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