On Thu, 10 Dec 2020 14:38:44 +1100 David Gibson <da...@gibson.dropbear.id.au> wrote:
> On Tue, Dec 08, 2020 at 10:06:09AM +0100, Greg Kurz wrote: > > On Tue, 8 Dec 2020 15:30:04 +1100 > > David Gibson <da...@gibson.dropbear.id.au> wrote: > > > > > On Mon, Dec 07, 2020 at 02:37:04PM +0100, Greg Kurz wrote: > > > > It is currently impossible to hot-unplug a memory device between > > > > machine reset and CAS. > > > > > > > > (qemu) device_del dimm1 > > > > Error: Memory hot unplug not supported for this guest > > > > > > > > This limitation was introduced in order to provide an explicit > > > > error path for older guests that didn't support hot-plug event > > > > sources (and thus memory hot-unplug). > > > > > > > > The linux kernel has been supporting these since 4.11. All recent > > > > enough guests are thus capable of handling the removal of a memory > > > > device at all time, including during early boot. > > > > > > > > Lift the limitation for the latest machine type. This means that > > > > trying to unplug memory from a guest that doesn't support it will > > > > likely just do nothing and the memory will only get removed at > > > > next reboot. Such older guests can still get the existing behavior > > > > by using an older machine type. > > > > > > > > Signed-off-by: Greg Kurz <gr...@kaod.org> > > > > > > Looks like this conflicts with something I've added to for-6.0 > > > recently. Can you rebase and resend, please. > > > > > > > I'm not quite sure what for-6.0 you're talking about. Despite > > you're recent announcement about moving to gitlab, it seems > > that the branch at github is the most up to date. > > > > gitlab: > > - HEAD is "xive: Add trace events" > > - Date: 26 Nov, 2020 > > > > github: > > - HEAD is "MAINTAINERS: Add Greg Kurz as co-maintainer for ppc" > > - Date: Dec 4, 2020 > > > > I've thus based this patch on github. Also, this is based on Connie's > > "hw: add compat machines for 6.0" patch... > > > > > > --- > > > > Based-on: 20201109173928.1001764-1-coh...@redhat.com > > > > ... maybe I should have made it more clear than just > > mentioning the message id ? > > > > I think I'll just wait for Connie's patch to get merged and I'll repost > > after > > you've rebased ppc-for-6.0. > > Sorry, I think I forgot to push the latest to either gitlab *or* > github. I've pushed some new stuff now. > Np. I see you now have the 6.0 compat machine types in your tree on gitlab. This patch should apply flawlessly.
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