On 07/07/2011 01:39 AM, Marcelo Tosatti wrote:
>> -static bool spte_is_bit_cleared(u64 old_spte, u64 new_spte, u64 bit_mask)
>> +static void track_spte_bits(u64 old_spte, u64 keep_bits, bool always_track)
>> {
>> - return (old_spte & bit_mask) && !(new_spte & bit_mask);
>> + if (always_track ||
>> + (spte_is_bit_cleared(old_spte, keep_bits, shadow_accessed_mask)))
>> + kvm_set_pfn_accessed(spte_to_pfn(old_spte));
>> +
>> + if (always_track ||
>> + (spte_is_bit_cleared(old_spte, keep_bits, shadow_dirty_mask)))
>> + kvm_set_pfn_dirty(spte_to_pfn(old_spte));
>> +}
>
> This is much more confusing than previously, please drop it.
>
What about remove "always_track" parameter? After that, the code should be
clear.
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