From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: DANGER WILL ROBINSON, DANGER Date: Thu, 3 Oct 2019 21:38:35 +0200 Message-ID: References: <20191002192714.GA5020@redhat.com> <20191002141542.GA5669@redhat.com> <20191002170429.GA8189@redhat.com> <20191003154233.GA4421@redhat.com> <20191003183108.GA3557@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191003183108.GA3557@redhat.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Jerome Glisse , Mircea CIRJALIU - MELIU Cc: Tamas K Lengyel , Weijiang Yang , Yu C , "kvm@vger.kernel.org" , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Jan Kiszka , =?UTF-8?Q?Samuel_Laur=c3=a9n?= , Konrad Rzeszutek Wilk , Matthew Wilcox , "virtualization@lists.linux-foundation.org" , =?UTF-8?Q?Adalbert_Laz=c4=83r?= , "linux-mm@kvack.org" , Patrick Colp , Mathieu Tarral , Stefan Hajnoczi , =?UTF-8?Q?Mihai_Don=c8=9bu?= List-Id: virtualization@lists.linuxfoundation.org On 03/10/19 20:31, Jerome Glisse wrote: > So in summary, the source qemu process has anonymous vma (regular > libc malloc for instance). The introspector qemu process which > mirror the the source qemu use mmap on /dev/kvm (assuming you can > reuse the kvm device file for this otherwise you can introduce a > new kvm device file). It should be a new device, something like /dev/kvmmem. BitDefender's RFC patches already have the right userspace API, that was not an issue. Paolo