Re: Design Decision for KVM based anti rootkit

2018-06-18 Thread David Hildenbrand
On 18.06.2018 18:35, Ahmed Soliman wrote: > Shortly after I sent the first email, we found that there is another > way to achieve this kind of communication, via KVM Hypercalls, I think > they are underutilised in kvm, but they exist. > > We also found that they are architecture dependent, but

Re: Design Decision for KVM based anti rootkit

2018-06-18 Thread Ahmed Soliman
Shortly after I sent the first email, we found that there is another way to achieve this kind of communication, via KVM Hypercalls, I think they are underutilised in kvm, but they exist. We also found that they are architecture dependent, but the advantage is that one doesn't need to create

Re: [virtio-dev] Re: [Qemu-devel] [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net

2018-06-18 Thread Cornelia Huck
On Fri, 15 Jun 2018 15:31:43 +0300 "Michael S. Tsirkin" wrote: > On Fri, Jun 15, 2018 at 11:32:42AM +0200, Cornelia Huck wrote: > > On Fri, 15 Jun 2018 05:34:24 +0300 > > "Michael S. Tsirkin" wrote: > > > > > On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote: > > > > > > > >

Re: Design Decision for KVM based anti rootkit

2018-06-18 Thread David Hildenbrand
On 16.06.2018 13:49, Ahmed Soliman wrote: > Following up on these threads: > - https://marc.info/?l=kvm=151929803301378=2 > - http://www.openwall.com/lists/kernel-hardening/2018/02/22/18 > > I lost the original emails so I couldn't reply to them, and also sorry > for being late, it was the end of

RE: [virtio-dev] Re: [PATCH v33 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

2018-06-18 Thread Wang, Wei W
On Monday, June 18, 2018 10:29 AM, Michael S. Tsirkin wrote: > On Sat, Jun 16, 2018 at 01:09:44AM +, Wang, Wei W wrote: > > Not necessarily, I think. We have min(4m_page_blocks / 512, 1024) above, > so the maximum memory that can be reported is 2TB. For larger guests, e.g. > 4TB, the

Re: [PATCH 0/3] Use sbitmap instead of percpu_ida

2018-06-18 Thread Martin K. Petersen
Matthew, >> Since most of the changes are in scsi or target, should I take this >> series through my tree? > > I'd welcome that. Nick seems to be inactive as target maintainer; > his tree on kernel.org hasn't seen any updates in five months. Applied to 4.19/scsi-queue, thanks! -- Martin K.

Re: [virtio-dev] Re: [PATCH v33 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

2018-06-18 Thread Michael S. Tsirkin
On Tue, Jun 19, 2018 at 01:06:48AM +, Wang, Wei W wrote: > On Monday, June 18, 2018 10:29 AM, Michael S. Tsirkin wrote: > > On Sat, Jun 16, 2018 at 01:09:44AM +, Wang, Wei W wrote: > > > Not necessarily, I think. We have min(4m_page_blocks / 512, 1024) above, > > so the maximum memory that