Messages in this thread | | | From | Ben Gardon <> | Date | Wed, 27 Jan 2021 13:20:39 -0800 | Subject | Re: [PATCH 15/24] kvm: mmu: Wrap mmu_lock cond_resched and needbreak |
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On Wed, Jan 27, 2021 at 12:55 PM Paolo Bonzini <pbonzini@redhat.com> wrote: > > 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.
Ah okay, thanks for clarifying.
> > You can place static inline functions for lock/unlock in > virt/kvm/mmu_lock.h, in order to avoid a proliferation of #ifdefs.
Would you prefer to make that change in this series or at a later date? I'm assuming this would replace all the wrapper functions and mean that x86 is rwlock only.
> > Paolo >
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