Re: [RFC PATCH 13/16] KVM: Allow 2048-bit register access via KVM_{GET, SET}_ONE_REG

2018-07-27 Thread Dave Martin
On Thu, Jul 26, 2018 at 02:55:44PM +0100, Alex Bennée wrote: > > Dave Martin writes: > > > On Wed, Jul 25, 2018 at 04:58:30PM +0100, Alex Bennée wrote: > >> > >> Dave Martin writes: > >> > >> > The Arm SVE architecture defines registers that are up to 2048 bits > >> > in size (with some

Re: [RFC PATCH 13/16] KVM: Allow 2048-bit register access via KVM_{GET, SET}_ONE_REG

2018-07-26 Thread Dave Martin
On Wed, Jul 25, 2018 at 04:58:30PM +0100, Alex Bennée wrote: > > Dave Martin writes: > > > The Arm SVE architecture defines registers that are up to 2048 bits > > in size (with some possibility of further future expansion). > > > > In order to avoid the need for an excessively large number of >

Re: [RFC PATCH 13/16] KVM: Allow 2048-bit register access via KVM_{GET, SET}_ONE_REG

2018-07-25 Thread Alex Bennée
Dave Martin writes: > The Arm SVE architecture defines registers that are up to 2048 bits > in size (with some possibility of further future expansion). > > In order to avoid the need for an excessively large number of > ioctls when saving and restoring a vcpu's registers, this patch > adds a

[RFC PATCH 13/16] KVM: Allow 2048-bit register access via KVM_{GET, SET}_ONE_REG

2018-06-21 Thread Dave Martin
The Arm SVE architecture defines registers that are up to 2048 bits in size (with some possibility of further future expansion). In order to avoid the need for an excessively large number of ioctls when saving and restoring a vcpu's registers, this patch adds a #define to make support for