On Mon, Jun 18, 2012 at 9:08 AM, Avi Kivity <a...@redhat.com> wrote:
> On 06/15/2012 10:07 PM, Christoffer Dall wrote:
>> From: Marc Zyngier <marc.zyng...@arm.com>
>>
>> In order to avoid compilation failure when KVM is not compiled in,
>> guard the mmu_notifier specific sections with both CONFIG_MMU_NOTIFIER
>> and KVM_ARCH_WANT_MMU_NOTIFIER, like it is being done in the rest of
>> the KVM code.
>>
>>
>> -#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
>> +#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
>> struct mmu_notifier mmu_notifier;
>> unsigned long mmu_notifier_seq;
>> long mmu_notifier_count;
>> @@ -780,7 +780,7 @@ struct kvm_stats_debugfs_item {
>> extern struct kvm_stats_debugfs_item debugfs_entries[];
>> extern struct dentry *kvm_debugfs_dir;
>>
>> -#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
>> +#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
>> static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long
>> mmu_seq)
>> {
>
> Why not have Kconfig select CONFIG_MMU_NOTIFIER?
>
>
Not sure I understand. Where would you select this option?
We do select this option when choosing to compile KVM on, but when we
do _not_, then other includes of kvm_host.h fails.
-Christoffer
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