Re: [PATCH v4 29/40] KVM: arm64: Prepare to handle deferred save/restore of 32-bit registers

2018-02-23 Thread Julien Grall
Hi Christoffer, On 15/02/18 21:03, Christoffer Dall wrote: 32-bit registers are not used by a 64-bit host kernel and can be deferred, but we need to rework the accesses to this register to access the latest value depending on whether or not guest system registers are loaded on the CPU or only re

Re: [PATCH v4 29/40] KVM: arm64: Prepare to handle deferred save/restore of 32-bit registers

2018-02-22 Thread Andrew Jones
On Thu, Feb 15, 2018 at 10:03:21PM +0100, Christoffer Dall wrote: > 32-bit registers are not used by a 64-bit host kernel and can be > deferred, but we need to rework the accesses to this register to access these registers > the latest value depending on whether or not guest system registers are

Re: [PATCH v4 29/40] KVM: arm64: Prepare to handle deferred save/restore of 32-bit registers

2018-02-21 Thread Marc Zyngier
On Thu, 15 Feb 2018 21:03:21 +, Christoffer Dall wrote: > > 32-bit registers are not used by a 64-bit host kernel and can be > deferred, but we need to rework the accesses to this register to access > the latest value depending on whether or not guest system registers are > loaded on the CPU o

[PATCH v4 29/40] KVM: arm64: Prepare to handle deferred save/restore of 32-bit registers

2018-02-15 Thread Christoffer Dall
32-bit registers are not used by a 64-bit host kernel and can be deferred, but we need to rework the accesses to this register to access the latest value depending on whether or not guest system registers are loaded on the CPU or only reside in memory. Signed-off-by: Christoffer Dall --- Notes: