Re: [Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-21 Thread David Gibson
On Thu, Feb 21, 2019 at 09:25:46AM +, Daniel P. Berrangé wrote: > On Tue, Feb 19, 2019 at 01:55:01PM +1100, David Gibson wrote: > > On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote: > > > From: Prasad J Pandit > > > > > > On ppc hosts, hypervisor shares following system attributes > > >

Re: [Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-21 Thread Greg Kurz
On Thu, 21 Feb 2019 09:25:46 + Daniel P. Berrangé wrote: > On Tue, Feb 19, 2019 at 01:55:01PM +1100, David Gibson wrote: > > On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote: > > > From: Prasad J Pandit > > > > > > On ppc hosts, hypervisor shares following system attributes > > > >

Re: [Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-21 Thread Daniel P . Berrangé
On Tue, Feb 19, 2019 at 01:55:01PM +1100, David Gibson wrote: > On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote: > > From: Prasad J Pandit > > > > On ppc hosts, hypervisor shares following system attributes > > > > - /proc/device-tree/system-id > > - /proc/device-tree/model > > > > wi

Re: [Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-18 Thread David Gibson
On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote: > From: Prasad J Pandit > > On ppc hosts, hypervisor shares following system attributes > > - /proc/device-tree/system-id > - /proc/device-tree/model > > with a guest. This could lead to information leakage and misuse.[*] > Add machine

Re: [Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-18 Thread Daniel P . Berrangé
On Mon, Feb 18, 2019 at 11:43:49PM +0530, P J P wrote: > From: Prasad J Pandit > > On ppc hosts, hypervisor shares following system attributes > > - /proc/device-tree/system-id > - /proc/device-tree/model > > with a guest. This could lead to information leakage and misuse.[*] > Add machine

[Qemu-devel] [PATCH v4] ppc: add host-serial and host-model machine attributes

2019-02-18 Thread P J P
From: Prasad J Pandit On ppc hosts, hypervisor shares following system attributes - /proc/device-tree/system-id - /proc/device-tree/model with a guest. This could lead to information leakage and misuse.[*] Add machine attributes to control such system information exposure to a guest. [*] h