Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Theodore Ts'o
On Mon, May 02, 2016 at 11:14:25AM +0200, Stephan Mueller wrote: > The issue of rollback (if you refer to activating an earlier saved image of > the guest) is a real issue the guest cannot do anything about it that is > effective (i.e. the guest can do without the help of the VMM). Note,

Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Theodore Ts'o
On Mon, May 02, 2016 at 11:14:25AM +0200, Stephan Mueller wrote: > The issue of rollback (if you refer to activating an earlier saved image of > the guest) is a real issue the guest cannot do anything about it that is > effective (i.e. the guest can do without the help of the VMM). Note,

Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Stephan Mueller
Am Montag, 2. Mai 2016, 05:00:47 schrieb Jeffrey Walton: Hi Jeffrey, > On Mon, May 2, 2016 at 2:26 AM, Theodore Ts'o wrote: > > From: Stephan Mueller > > > > The Hyper-V Linux Integration Services use the VMBus implementation for > > communication with the

Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Stephan Mueller
Am Montag, 2. Mai 2016, 05:00:47 schrieb Jeffrey Walton: Hi Jeffrey, > On Mon, May 2, 2016 at 2:26 AM, Theodore Ts'o wrote: > > From: Stephan Mueller > > > > The Hyper-V Linux Integration Services use the VMBus implementation for > > communication with the Hypervisor. VMBus registers its own

Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Jeffrey Walton
On Mon, May 2, 2016 at 2:26 AM, Theodore Ts'o wrote: > From: Stephan Mueller > > The Hyper-V Linux Integration Services use the VMBus implementation for > communication with the Hypervisor. VMBus registers its own interrupt > handler that completely bypasses

Re: [PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Jeffrey Walton
On Mon, May 2, 2016 at 2:26 AM, Theodore Ts'o wrote: > From: Stephan Mueller > > The Hyper-V Linux Integration Services use the VMBus implementation for > communication with the Hypervisor. VMBus registers its own interrupt > handler that completely bypasses the common Linux interrupt handling.

[PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Theodore Ts'o
From: Stephan Mueller The Hyper-V Linux Integration Services use the VMBus implementation for communication with the Hypervisor. VMBus registers its own interrupt handler that completely bypasses the common Linux interrupt handling. This implies that the interrupt entropy

[PATCH 3/3] random: add interrupt callback to VMBus IRQ handler

2016-05-02 Thread Theodore Ts'o
From: Stephan Mueller The Hyper-V Linux Integration Services use the VMBus implementation for communication with the Hypervisor. VMBus registers its own interrupt handler that completely bypasses the common Linux interrupt handling. This implies that the interrupt entropy collector is not