On Tue, Jul 07, 2020 at 05:39:04AM +0100, Matthew Wilcox wrote:
> although I think you have a simpler task.
>
> XA_STATE(xas, ..., start_index);
>
> for (;;) {
> struct page *page = xas_next();
>
> if (!page || (~page->vm_max_prot_bits & vm_prot_bits))
>
On Mon, Jul 06, 2020 at 09:29:04PM -0700, Sean Christopherson wrote:
> > > > + idx_start = PFN_DOWN(start);
> > > > + idx_end = PFN_DOWN(end - 1);
> > > > +
> > > > + for (idx = idx_start; idx <= idx_end; ++idx) {
> > > > + mutex_lock(>lock);
> > > > +
Man, I really need to type faster.
On Tue, Jul 07, 2020 at 07:11:51AM +0300, Jarkko Sakkinen wrote:
> On Tue, Jul 07, 2020 at 04:36:17AM +0100, Matthew Wilcox wrote:
> > What's a leaf function? Is it like a CPU instruction?
>
> Yeah, the opcode is ENCLS for ring-0 (enclave management and
>
On Tue, Jul 07, 2020 at 04:36:17AM +0100, Matthew Wilcox wrote:
> On Tue, Jul 07, 2020 at 06:01:51AM +0300, Jarkko Sakkinen wrote:
> > Intel Software Guard eXtensions (SGX) is a set of CPU instructions that
> > can be used by applications to set aside private regions of code and
> > data. The code
On Tue, Jul 07, 2020 at 06:01:51AM +0300, Jarkko Sakkinen wrote:
> Intel Software Guard eXtensions (SGX) is a set of CPU instructions that
> can be used by applications to set aside private regions of code and
> data. The code outside the SGX hosted software entity is disallowed to
s/disallowed
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