Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-23 Thread Lev Aronsky
On Mon, Mar 23, 2020 at 10:26:18AM +, Marc Zyngier wrote: > On 2020-03-23 09:41, Lev Aronsky wrote: > > On Mon, Mar 23, 2020 at 09:07:12AM +, Marc Zyngier wrote: > > > On 2020-03-23 08:22, Lev Aronsky wrote: [...] > > > > > > I'm pretty sure this wouldn't work with HW virtualization. I

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-23 Thread Marc Zyngier
On 2020-03-23 09:41, Lev Aronsky wrote: On Mon, Mar 23, 2020 at 09:07:12AM +, Marc Zyngier wrote: On 2020-03-23 08:22, Lev Aronsky wrote: [...] > We're running it on an ARM cloud server (we were hoping to be able to > use SBCs for the project, but iOS uses 16K pages for kernel mode, and

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-23 Thread Lev Aronsky
On Mon, Mar 23, 2020 at 09:07:12AM +, Marc Zyngier wrote: > On 2020-03-23 08:22, Lev Aronsky wrote: > > On Sun, Mar 22, 2020 at 05:29:52PM +, Marc Zyngier wrote: > > > On 2020-03-22 14:20, Lev Aronsky wrote: > > > > On Sun, Mar 22, 2020 at 11:34:35AM +, Marc Zyngier wrote: > > > > > Hi

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-23 Thread Marc Zyngier
On 2020-03-23 08:22, Lev Aronsky wrote: On Sun, Mar 22, 2020 at 05:29:52PM +, Marc Zyngier wrote: On 2020-03-22 14:20, Lev Aronsky wrote: > On Sun, Mar 22, 2020 at 11:34:35AM +, Marc Zyngier wrote: > > Hi Lev, > > > > Thanks for this. > > > > On 2020-03-22 09:36, aron...@gmail.com

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-23 Thread Lev Aronsky
On Sun, Mar 22, 2020 at 05:29:52PM +, Marc Zyngier wrote: > On 2020-03-22 14:20, Lev Aronsky wrote: > > On Sun, Mar 22, 2020 at 11:34:35AM +, Marc Zyngier wrote: > > > Hi Lev, > > > > > > Thanks for this. > > > > > > On 2020-03-22 09:36, aron...@gmail.com wrote: > > > > From: Lev Aronsky

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-22 Thread Marc Zyngier
On 2020-03-22 14:20, Lev Aronsky wrote: On Sun, Mar 22, 2020 at 11:34:35AM +, Marc Zyngier wrote: Hi Lev, Thanks for this. On 2020-03-22 09:36, aron...@gmail.com wrote: > From: Lev Aronsky > > As per ARM DDI 0487E.a, section D12.3.2, there can be various > system registers that are

Re: [PATCH] KVM: arm64: Add support for IDSR exits to userspace

2020-03-22 Thread Lev Aronsky
On Sun, Mar 22, 2020 at 11:34:35AM +, Marc Zyngier wrote: > Hi Lev, > > Thanks for this. > > On 2020-03-22 09:36, aron...@gmail.com wrote: > > From: Lev Aronsky > > > > As per ARM DDI 0487E.a, section D12.3.2, there can be various > > system registers that are IMPLEMENTATION DEFINED. > >