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Re: [Qemu-devel] [RFC PATCH 0/5] modify boot order when vm is running
From: |
Gonglei (Arei) |
Subject: |
Re: [Qemu-devel] [RFC PATCH 0/5] modify boot order when vm is running |
Date: |
Tue, 8 Jul 2014 00:54:33 +0000 |
> -----Original Message-----
> From: Laszlo Ersek [mailto:address@hidden
> Sent: Monday, July 07, 2014 10:40 PM
> To: Gonglei (Arei); Michael S. Tsirkin
> Cc: address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden; Huangweidong (C); Luonengjun;
> Huangpeng (Peter); chenliang (T)
> Subject: Re: [RFC PATCH 0/5] modify boot order when vm is running
>
> On 07/07/14 13:12, Gonglei (Arei) wrote:
> >> -----Original Message-----
> >> From: Laszlo Ersek [mailto:address@hidden
> >> Sent: Monday, July 07, 2014 6:04 PM
> >> To: Michael S. Tsirkin; Gonglei (Arei)
> >> Cc: address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; address@hidden;
> >> address@hidden; address@hidden; Huangweidong (C); Luonengjun;
> >> Huangpeng (Peter); chenliang (T)
> >> Subject: Re: [RFC PATCH 0/5] modify boot order when vm is running
> >>
> >> On 07/07/14 11:29, Michael S. Tsirkin wrote:
> >>> On Mon, Jul 07, 2014 at 05:10:56PM +0800, address@hidden
> >> wrote:
> >>>> From: Chenliang <address@hidden>
> >>>>
> >>>> Sometime, we want to modify boot order of vm without shutdown it.
> >>>> This sets of patches add one qmp to achieve it. And fix some little
> >>>> bug when device is hotpluged.
> >>>>
> >>>> Chenliang (5):
> >>>> bootindex: add *_boot_device_path function
> >>>> bootindex: reset bootindex when vm reset
> >>>> bootindex: delete boot index when device is removed
> >>>> bootindex: add qmp to set boot index when vm is running
> >>>> bootindex: fix memory leak when ppc sets boot index
> >>>
> >>> Unfortunately at least for PC, boot order is exposed
> >>> in fw cfg which can not change while guest is running.
> >>> I suspect we need to change how we report boot order to guests.
> >>> While we are at it, maybe we can fix the silly bootindex
> >>> convention: I think people really want to specify boot *order*,
> >>> not boot index.
> >>
> >> Please preserve the "bootorder" fw_cfg file, and its format.
> >>
> >> I don't have any request in relation to the new (== dynamic) feature ATM.
> >>
> > Sorry, I can't understand your meaning exactly.
> > Would you explain it? Thanks!
>
> I meant that whatever features you introduce, please make sure that a
> guest looking for the "bootorder" fw_cfg file will find it, and that the
> contents and the format of that fw_cfg file stays the same, for the same
> qemu command line options.
>
Sure.
> I'm not implying that your current series changes the "bootorder" fw_cfg
> file (I have not looked at your patches); this is just a general request
> I make out of caution.
>
OK, thanks, Laszlo.
> Thanks
> Laszlo
Best regards,
-Gonglei
- Re: [Qemu-devel] [RFC PATCH 1/5] bootindex: add *_boot_device_path function, (continued)
[Qemu-devel] [RFC PATCH 2/5] bootindex: reset bootindex when vm reset, arei.gonglei, 2014/07/07
[Qemu-devel] [RFC PATCH 3/5] bootindex: delete boot index when device is removed, arei.gonglei, 2014/07/07
[Qemu-devel] [RFC PATCH 5/5] bootindex: fix memory leak when set boot index, arei.gonglei, 2014/07/07
Re: [Qemu-devel] [RFC PATCH 0/5] modify boot order when vm is running, Michael S. Tsirkin, 2014/07/07
Re: [Qemu-devel] [RFC PATCH 0/5] modify boot order when vm is running, Gonglei (Arei), 2014/07/07