RE: [PATCH v2 1/4] nitro_enclaves: merge contiguous physical memory regions

[Longpeng (Mike, Cloud Infrastructure Service Product Dept.)]

> -----Original Message-----
> From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx]
> Sent: Tuesday, September 21, 2021 11:21 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> <longpeng2@xxxxxxxxxx>
> Cc: andraprs@xxxxxxxxxx; lexnv@xxxxxxxxxx; alcioa@xxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; Gonglei (Arei) <arei.gonglei@xxxxxxxxxx>;
> kamal@xxxxxxxxxxxxx; pbonzini@xxxxxxxxxx; sgarzare@xxxxxxxxxx;
> stefanha@xxxxxxxxxx; vkuznets@xxxxxxxxxx; ne-devel-upstream@xxxxxxxxxx
> Subject: Re: [PATCH v2 1/4] nitro_enclaves: merge contiguous physical memory
> regions
> 
> On Tue, Sep 21, 2021 at 11:10:36PM +0800, Longpeng(Mike) wrote:
> > There can be cases when there are more memory regions that need to be
> > set for an enclave than the maximum supported number of memory regions
> > per enclave. One example can be when the memory regions are backed by 2
> > MiB hugepages (the minimum supported hugepage size).
> >
> > Let's merge the adjacent regions if they are physical contiguous. This
> > way the final number of memory regions is less than before merging and
> > could potentially avoid reaching maximum.
> >
> > Signed-off-by: Longpeng(Mike) <longpeng2@xxxxxxxxxx>
> > ---
> >  drivers/virt/nitro_enclaves/ne_misc_dev.c | 87
> ++++++++++++++++++++-----------
> >  1 file changed, 58 insertions(+), 29 deletions(-)
> >
> 
> What changed from v1?

It seems you missed the cover letter ?