linux-kernel - RE: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to add page to a list

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <F2CBF3009FA73547804AE4C663CAB28E3A0FB4D6@shsmsx102.ccr.corp.intel.com>
Date:   Tue, 25 Oct 2016 01:14:04 +0000
From:   "Li, Liang Z" <liang.z.li@...el.com>
To:     "Hansen, Dave" <dave.hansen@...el.com>,
        "mst@...hat.com" <mst@...hat.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "virtio-dev@...ts.oasis-open.org" <virtio-dev@...ts.oasis-open.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "qemu-devel@...gnu.org" <qemu-devel@...gnu.org>,
        "quintela@...hat.com" <quintela@...hat.com>,
        "dgilbert@...hat.com" <dgilbert@...hat.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "cornelia.huck@...ibm.com" <cornelia.huck@...ibm.com>,
        "amit.shah@...hat.com" <amit.shah@...hat.com>
Subject: RE: [RESEND PATCH v3 kernel 1/7] virtio-balloon: rework deflate to
 add page to a list

> On 10/20/2016 11:24 PM, Liang Li wrote:
> > Will allow faster notifications using a bitmap down the road.
> > balloon_pfn_to_page() can be removed because it's useless.
> 
> This is a pretty terse description of what's going on here.  Could you try to
> elaborate a bit?  What *is* the current approach?  Why does it not work
> going forward?  What do you propose instead?  Why is it better?

Sure. The description will be more clear if it's described as you suggest. Thanks!

Liang