hi Sean,
Sorry for the late reply. I just saw this mail in my mailbox.
On Wed, Jan 05, 2022 at 08:52:39PM +, Sean Christopherson wrote:
> On Wed, Jan 05, 2022, Yan Zhao wrote:
> > Sorry, maybe I didn't express it clearly.
> >
> > As in the kvm_faultin_pfn_private(),
> > static bool kvm_fault
On Wed, Jan 05, 2022, Yan Zhao wrote:
> Sorry, maybe I didn't express it clearly.
>
> As in the kvm_faultin_pfn_private(),
> static bool kvm_faultin_pfn_private(struct kvm_vcpu *vcpu,
> struct kvm_page_fault *fault,
> bool *is_pr
On Wed, Jan 05, 2022 at 02:28:10PM +0800, Chao Peng wrote:
> On Tue, Jan 04, 2022 at 06:06:12PM +0800, Yan Zhao wrote:
> > On Tue, Jan 04, 2022 at 05:10:08PM +0800, Chao Peng wrote:
<...>
> > Thanks. So QEMU will re-generate memslots and set KVM_MEM_PRIVATE
> > accordingly? Will it involve slot de
On Tue, Jan 04, 2022 at 06:06:12PM +0800, Yan Zhao wrote:
> On Tue, Jan 04, 2022 at 05:10:08PM +0800, Chao Peng wrote:
> > On Tue, Jan 04, 2022 at 09:46:35AM +0800, Yan Zhao wrote:
> > > On Thu, Dec 23, 2021 at 08:30:09PM +0800, Chao Peng wrote:
> > > > When a page fault from the secondary page tab
On Tue, Jan 04, 2022 at 05:10:08PM +0800, Chao Peng wrote:
> On Tue, Jan 04, 2022 at 09:46:35AM +0800, Yan Zhao wrote:
> > On Thu, Dec 23, 2021 at 08:30:09PM +0800, Chao Peng wrote:
> > > When a page fault from the secondary page table while the guest is
> > > running happens in a memslot with KVM_
On Tue, Jan 04, 2022 at 09:46:35AM +0800, Yan Zhao wrote:
> On Thu, Dec 23, 2021 at 08:30:09PM +0800, Chao Peng wrote:
> > When a page fault from the secondary page table while the guest is
> > running happens in a memslot with KVM_MEM_PRIVATE, we need go
> > different paths for private access and
On Thu, Dec 23, 2021 at 08:30:09PM +0800, Chao Peng wrote:
> When a page fault from the secondary page table while the guest is
> running happens in a memslot with KVM_MEM_PRIVATE, we need go
> different paths for private access and shared access.
>
> - For private access, KVM checks if the page
When a page fault from the secondary page table while the guest is
running happens in a memslot with KVM_MEM_PRIVATE, we need go
different paths for private access and shared access.
- For private access, KVM checks if the page is already allocated in
the memory backend, if yes KVM establish
