Re: [PATCH 15/24] kvm: mmu: Wrap mmu_lock cond_resched and needbreak

[Paolo Bonzini]

On 27/01/21 21:08, Ben Gardon wrote:
> I'm not entirely sure I understand this suggestion. Are you suggesting
> we'd have the spinlock and rwlock in a union in struct kvm but then
> use a static define to choose which one is used by other functions? It
> seems like if we're using static defines the union doesn't add value.

Of course you're right.  You'd just place the #ifdef in the struct kvm 
definition.

You can place static inline functions for lock/unlock in 
virt/kvm/mmu_lock.h, in order to avoid a proliferation of #ifdefs.

Paolo