diff options
Diffstat (limited to 'arch/mips/kvm/mips.c')
| -rw-r--r-- | arch/mips/kvm/mips.c | 75 | 
1 files changed, 8 insertions, 67 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 71244bf87c3a..8f05dd0a0f4e 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -118,12 +118,12 @@ void kvm_arch_hardware_disable(void)  	kvm_mips_callbacks->hardware_disable();  } -int kvm_arch_hardware_setup(void) +int kvm_arch_hardware_setup(void *opaque)  {  	return 0;  } -int kvm_arch_check_processor_compat(void) +int kvm_arch_check_processor_compat(void *opaque)  {  	return 0;  } @@ -188,12 +188,6 @@ long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl,  	return -ENOIOCTLCMD;  } -int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, -			    unsigned long npages) -{ -	return 0; -} -  void kvm_arch_flush_shadow_all(struct kvm *kvm)  {  	/* Flush whole GPA */ @@ -230,7 +224,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,  void kvm_arch_commit_memory_region(struct kvm *kvm,  				   const struct kvm_userspace_memory_region *mem, -				   const struct kvm_memory_slot *old, +				   struct kvm_memory_slot *old,  				   const struct kvm_memory_slot *new,  				   enum kvm_mr_change change)  { @@ -984,69 +978,16 @@ long kvm_arch_vcpu_ioctl(struct file *filp, unsigned int ioctl,  	return r;  } -/** - * kvm_vm_ioctl_get_dirty_log - get and clear the log of dirty pages in a slot - * @kvm: kvm instance - * @log: slot id and address to which we copy the log - * - * Steps 1-4 below provide general overview of dirty page logging. See - * kvm_get_dirty_log_protect() function description for additional details. - * - * We call kvm_get_dirty_log_protect() to handle steps 1-3, upon return we - * always flush the TLB (step 4) even if previous step failed  and the dirty - * bitmap may be corrupt. Regardless of previous outcome the KVM logging API - * does not preclude user space subsequent dirty log read. Flushing TLB ensures - * writes will be marked dirty for next log read. - * - *   1. Take a snapshot of the bit and clear it if needed. - *   2. Write protect the corresponding page. - *   3. Copy the snapshot to the userspace. - *   4. Flush TLB's if needed. - */ -int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) +void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot)  { -	struct kvm_memslots *slots; -	struct kvm_memory_slot *memslot; -	bool flush = false; -	int r; - -	mutex_lock(&kvm->slots_lock); - -	r = kvm_get_dirty_log_protect(kvm, log, &flush); - -	if (flush) { -		slots = kvm_memslots(kvm); -		memslot = id_to_memslot(slots, log->slot); -		/* Let implementation handle TLB/GVA invalidation */ -		kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot); -	} - -	mutex_unlock(&kvm->slots_lock); -	return r;  } -int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm, struct kvm_clear_dirty_log *log) +void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm, +					struct kvm_memory_slot *memslot)  { -	struct kvm_memslots *slots; -	struct kvm_memory_slot *memslot; -	bool flush = false; -	int r; - -	mutex_lock(&kvm->slots_lock); - -	r = kvm_clear_dirty_log_protect(kvm, log, &flush); - -	if (flush) { -		slots = kvm_memslots(kvm); -		memslot = id_to_memslot(slots, log->slot); - -		/* Let implementation handle TLB/GVA invalidation */ -		kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot); -	} - -	mutex_unlock(&kvm->slots_lock); -	return r; +	/* Let implementation handle TLB/GVA invalidation */ +	kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot);  }  long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg)  |