A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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KVM: Fix dirty bit tracking for slots with large pages

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When slot is already allocated and being asked to be tracked we need
to break the large pages.

This code flush the mmu when someone ask a slot to start dirty bit
tracking.

Cc: [email protected]
Signed-off-by: Izik Eidus <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
This commit is contained in:
Izik Eidus 2009-06-10 19:23:24 +03:00 • committed by Avi Kivity
commit e244584fe3
1 changed files with 2 additions and 0 deletions
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2
virt/kvm/kvm_main.c
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@ -1194,6 +1194,8 @@ int __kvm_set_memory_region(struct kvm *kvm,
if (!new.dirty_bitmap)
goto out_free;
memset(new.dirty_bitmap, 0, dirty_bytes);
if (old.npages)
kvm_arch_flush_shadow(kvm);
}
#endif /* not defined CONFIG_S390 */