On 08/10/2012 02:50 AM, Marcelo Tosatti wrote:
> On Tue, Aug 07, 2012 at 05:49:36PM +0800, Xiao Guangrong wrote:
>> It can instead of hva_to_pfn_atomic
>>
>> Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
>> ---
>> arch/x86/kvm/mmu.c | 5 +----
>> include/linux/kvm_host.h | 3 ++-
>> virt/kvm/kvm_main.c | 14 ++++++++------
>> 3 files changed, 11 insertions(+), 11 deletions(-)
>
> What if someone needs gfn_to_hva_memslot in the future, which is not
> unlikely?
Marcelo,
We have already had the function gfn_to_hva_memslot in kvm_host.h which
is not directly used on x86. In this patchset, gfn_to_hva_memslot does
not check the slot->flags.
I think we can let it be based on gfn_to_hva_many:
static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
gfn_t gfn)
{
return gfn_to_hva_many(slot, gfn, true);
}
Then all gfn_to_*() functions are based on gfn_to_hva_many in which we
will check slot->flags properly.
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