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Date: Tue, 17 Aug 2021 01:55:04 +0100 From: Matthew Wilcox <willy@...radead.org> To: "Longpeng (Mike, Cloud Infrastructure Service Product Dept.)" <longpeng2@...wei.com> Cc: David Hildenbrand <david@...hat.com>, Khalid Aziz <khalid.aziz@...cle.com>, Steven Sistare <steven.sistare@...cle.com>, Anthony Yznaga <anthony.yznaga@...cle.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "Gonglei (Arei)" <arei.gonglei@...wei.com> Subject: Re: [RFC PATCH 0/5] madvise MADV_DOEXEC On Tue, Aug 17, 2021 at 12:47:19AM +0000, Longpeng (Mike, Cloud Infrastructure Service Product Dept.) wrote: > I understand your intent now, you want to share memory ranges by sharing the relevant > pgtable pages. > > I had implemented a similar idea to support QEMU live upgrade about four years ago > ( in late 2017), > > https://patents.google.com/patent/US20210089345A1 I am not going to read a patent. This conversation is now over until I have had a conversation with my patent attorney.
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