Re: [PATCH 1/5] KVM: Provide mmu notifier retry test based on struct kvm

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On 16.10.2012, at 11:44, Avi Kivity wrote:

> On 10/16/2012 05:59 AM, Paul Mackerras wrote:
>> The mmu_notifier_retry() function, used to test whether any page
>> invalidations are in progress, currently takes a vcpu pointer, though
>> the code only needs the VM's struct kvm pointer.  Forthcoming patches
>> to the powerpc Book3S HV code will need to test for retry within a VM
>> ioctl, where a struct kvm pointer is available but a struct vcpu
>> pointer isn't.  Therefore this creates a variant of mmu_notifier_retry
>> called kvm_mmu_notifier_retry that takes a struct kvm pointer, and
>> implements mmu_notifier_retry in terms of it.
> 
> Why not change mmu_notifier_retry() and all its callers?

Why not use Christoffer's patch? :)

Alex

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