On 12/12/2018 09:59 AM, Christian Borntraeger wrote:
Eric and Farhan will help with maintaining vfio-ccw.
Cc: Cornelia Huck
Cc: Halil Pasic
Cc: Farhan Ali
Cc: Eric Farman
Signed-off-by: Christian Borntraeger
---
MAINTAINERS | 4 +++-
1 file changed, 3 insertions(+), 1 deletion
My questions to this patch from the original RFC series are still
outstanding. :(
https://marc.info/?l=linux-s390&m=154223063716128&w=2
On 11/28/2018 07:41 AM, Pierre Morel wrote:
The subchannel enablement and the according setting to the
VFIO_CCW_STATE_STANDBY state should only be done when
ins about a missing 'Closes' tag.
> Unfortunately I don't have an appropriate URL at hand. @Sebastian,
> @Boqiao: do you have any suggetions?
> ---
> drivers/s390/virtio/virtio_ccw.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Reviewed-by: Eric Farman
ned-off-by: Xiaoyang Xu
(...)
hi Cornelia Huck, Eric Farman, Zhenyu Wang, Zhi Wang
vfio_pin_pages() accepts an array of unrelated iova pfns and processes
each to return the physical pfn. When dealing with large arrays of
contiguous iovas, vfio_iommu_type1_pin_pages is very inefficient bec
On 3/1/21 8:13 AM, Heiko Carstens wrote:
On Mon, Mar 01, 2021 at 08:01:33PM +0800, Wang Qing wrote:
The copy_to_user() function returns the number of bytes remaining to be
copied, but we want to return -EFAULT if the copy doesn't complete.
Signed-off-by: Wang Qing
---
drivers/s390/cio/vfi
On 12/10/20 8:56 AM, xuxiaoyang (C) wrote:
On 2020/12/9 22:42, Eric Farman wrote:
On 12/9/20 6:54 AM, Cornelia Huck wrote:
On Tue, 8 Dec 2020 21:55:53 +0800
"xuxiaoyang (C)" wrote:
On 2020/11/21 15:58, xuxiaoyang (C) wrote:
vfio_pin_pages() accepts an array of unrelated
On 5/5/20 8:15 PM, Jared Rossi wrote:
> Remove the explicit prefetch check when using vfio-ccw devices.
> This check does not trigger in practice as all Linux channel programs
> are intended to use prefetch.
>
> It is expected that all ORBs issued by Linux will request prefetch.
> Although non-
a channel program that
> is dependent on non-prefetch.
>
> Signed-off-by: Jared Rossi
Reviewed-by: Eric Farman
> ---
> Documentation/s390/vfio-ccw.rst | 6 ++
> drivers/s390/cio/vfio_ccw_cp.c | 19 ---
> 2 files changed, 18 insertions(+), 7 deletions(-)
On 08/08/2017 04:14 AM, Longpeng (Mike) wrote:
On 2017/8/8 15:41, Cornelia Huck wrote:
On Tue, 8 Aug 2017 12:05:31 +0800
"Longpeng(Mike)" wrote:
This is a simple optimization for kvm_vcpu_on_spin, the
main idea is described in patch-1's commit msg.
I think this generally looks good now
Hi Peter, Rik,
Running sysbench measurements in a 16CPU/30GB KVM guest on a 20CPU/40GB
s390x host, we noticed a throughput degradation (anywhere between 13%
and 40%, depending on test) when moving the host from kernel 4.12 to
4.13. The rest of the host and the entire guest remain unchanged; i
On 09/27/2017 05:35 AM, Peter Zijlstra wrote:
On Fri, Sep 22, 2017 at 12:12:45PM -0400, Eric Farman wrote:
MySQL. We've tried a few different configs with both test=oltp and
test=threads, but both show the same behavior. What I have settled on for
my repro is the following:
On 09/27/2017 01:58 PM, Rik van Riel wrote:
On Wed, 27 Sep 2017 11:35:30 +0200
Peter Zijlstra wrote:
On Fri, Sep 22, 2017 at 12:12:45PM -0400, Eric Farman wrote:
MySQL. We've tried a few different configs with both test=oltp and
test=threads, but both show the same behavior. What I
On 09/13/2017 04:24 AM, 王金浦 wrote:
2017-09-12 16:14 GMT+02:00 Eric Farman :
Hi Peter, Rik,
Running sysbench measurements in a 16CPU/30GB KVM guest on a 20CPU/40GB
s390x host, we noticed a throughput degradation (anywhere between 13% and
40%, depending on test) when moving the host from
On 09/22/2017 11:53 AM, Peter Zijlstra wrote:
On Fri, Sep 22, 2017 at 11:03:39AM -0400, Eric Farman wrote:
Hi Peter, Rik,
With OSS last week, I'm sure this got lost in the deluge, so here's a
friendly ping.
Very much so, inbox is a giant trainwreck ;-)
My apologies. :)
I
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