Re: [PATCH 15/15] KVM: ARM: Guest wait-for-interrupts (WFI) support

2012-09-29 Thread Christoffer Dall
On Tue, Sep 25, 2012 at 1:04 PM, Will Deacon wrote: > On Sat, Sep 15, 2012 at 04:36:05PM +0100, Christoffer Dall wrote: >> From: Christoffer Dall >> >> When the guest executes a WFI instruction the operation is trapped to >> KVM, which emulates the instruction in software. There is no correlation

Re: [PATCH 15/15] KVM: ARM: Guest wait-for-interrupts (WFI) support

2012-09-25 Thread Will Deacon
On Sat, Sep 15, 2012 at 04:36:05PM +0100, Christoffer Dall wrote: > From: Christoffer Dall > > When the guest executes a WFI instruction the operation is trapped to > KVM, which emulates the instruction in software. There is no correlation > between a guest executing a WFI instruction and actuall

[PATCH 15/15] KVM: ARM: Guest wait-for-interrupts (WFI) support

2012-09-15 Thread Christoffer Dall
From: Christoffer Dall When the guest executes a WFI instruction the operation is trapped to KVM, which emulates the instruction in software. There is no correlation between a guest executing a WFI instruction and actually putting the hardware into a low-power mode, since a KVM guest is essential