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 for <linuxppc-dev@lists.ozlabs.org>; Mon,  4 Apr 2016 21:09:44 +1000 (AEST)
Message-ID: <1459768184.3260.14.camel@neuling.org>
Subject: Re: PR KVM and TM issues
From: Michael Neuling <mikey@neuling.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>, Anton Blanchard <anton@samba.org>,
 Michael Ellerman <mpe@ellerman.id.au>, Paul Mackerras <paulus@samba.org>,
 Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Date: Mon, 04 Apr 2016 21:09:44 +1000
In-Reply-To: <57021123.6050506@ozlabs.ru>
References: <20160404164457.539a55f0@kryten> <57021123.6050506@ozlabs.ru>
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On Mon, 2016-04-04 at 17:00 +1000, Alexey Kardashevskiy wrote:
> On 04/04/2016 04:44 PM, Anton Blanchard wrote:
> > Hi,
> >=20
> > I can't get an Ubuntu Wily guest to boot on an Ubuntu Wily host in PR K=
VM
> > mode. The kernel in both cases is 4.2. To reproduce:
> >=20
> > wget -N https://cloud-images.ubuntu.com/wily/current/wily-server-cloudi=
mg-ppc64el-disk1.img
> >=20
> > qemu-system-ppc64 -cpu POWER8 -enable-kvm -machine pseries,kvm-type=3DP=
R -m 4G -nographic -vga none -drive file=3Dwily-server-cloudimg-ppc64el-dis=
k1.img,if=3Dvirtio
> >=20
> > Should TM work inside a PR KVM guest?
>=20
> If I read the kernel code correctly (kvmppc_set_one_reg_hv vs.=20
> kvmppc_set_one_reg_pr), no, it should not be expected to work.

What's missing?

Mikey