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Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssid
From: |
Dong Jia Shi |
Subject: |
Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids |
Date: |
Mon, 27 Nov 2017 10:20:56 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
* Halil Pasic <address@hidden> [2017-11-24 17:39:04 +0100]:
>
>
> On 11/24/2017 05:15 PM, Cornelia Huck wrote:
> >>> In theory this should work.
> >>>
> >>> In reality it seems more complicated. A per-device property is easy and
> >>> can be
> >>> inspected on the command line (e.g. -device virtio-blk-ccw,help), while a
> >>> new
> >>> machine property would require to change the qemu help output and
> >>> qemu-options
> >>> file (which makes it visible for all architectures).
> >> And then we have the fun of describing, that this property is weird, and
> >> can
> >> not be set, and it's value does not matter.
> > Well, that's the case for both, no?
>
>
> I don't think we have to document _device_ properites in qemu-options.hx
> I don't see any documented neither for virtio-ccw nor for vfio-ccw. The
> machine properties, on the contrary, are documented in this file.
Is it sane and possible to reuse the existing s390-squash-mcss property
to achieve the goal? I mean, when it is false (which is the default
value), can we treat it as "we are allowed to put devices everywhere"?
Then we'd have the way to use a property of the -M to tell libvirt that
devices can be everywhere?
However then we can not drop it completely I guess, since Libvirt will
depends on it. But we can ignore the operation of setting it's value to
true.
> >
> > (Unless we simply make this a "default cssid" prop after all - then it
> > would be more than just a simple indication for libvirt...)
> >
>
> We are now talking about the "cssid-unrestricted" property. The default
> cssid is not something I would like to do any time soon.
--
Dong Jia Shi
- Re: [qemu-s390x] [RFC PATCH 1/1] s390x/css: unresrict cssids, (continued)
- Re: [qemu-s390x] [RFC PATCH 1/1] s390x/css: unresrict cssids, Boris Fiuczynski, 2017/11/22
- Re: [qemu-s390x] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/22
- Re: [qemu-s390x] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/23
- Re: [qemu-s390x] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Christian Borntraeger, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Christian Borntraeger, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/24
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids,
Dong Jia Shi <=
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Dong Jia Shi, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Christian Borntraeger, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Halil Pasic, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Boris Fiuczynski, 2017/11/27
- Re: [qemu-s390x] [Qemu-devel] [RFC PATCH 1/1] s390x/css: unresrict cssids, Cornelia Huck, 2017/11/27