Re: [Xen-devel] Xen 4.14 and future work

2020-01-09 Thread Xia, Hongyan
On Mon, 2019-12-02 at 19:51 +, Andrew Cooper wrote: > ... > > Other areas in need of work is the boot time directmap at 0 (which > hides > NULL pointer deferences during boot), and the correct handling of > %dr6 > for all kinds of guests. > Sorry for the late reply to this thread. Talking

Re: [Xen-devel] Xen 4.14 and future work

2019-12-06 Thread Andrew Cooper
On 06/12/2019 10:37, Durrant, Paul wrote: >> -Original Message- >> From: Xen-devel On Behalf Of >> Andrew Cooper >> Sent: 05 December 2019 15:31 >> To: Xen-devel List >> Subject: Re: [Xen-devel] Xen 4.14 and future work >> >> On

Re: [Xen-devel] Xen 4.14 and future work

2019-12-06 Thread Durrant, Paul
> -Original Message- > From: Xen-devel On Behalf Of > Andrew Cooper > Sent: 05 December 2019 15:31 > To: Xen-devel List > Subject: Re: [Xen-devel] Xen 4.14 and future work > > On 02/12/2019 19:51, Andrew Cooper wrote: > > Hello, > > > > N

Re: [Xen-devel] Xen 4.14 and future work

2019-12-05 Thread Andrew Cooper
On 02/12/2019 19:51, Andrew Cooper wrote: > Hello, > > Now that 4.13 is on its way out of the door, it is time to look to > ongoing work. (and some more...) * Shim: Removal of an M2P. Within the shim, two M2P's are constructed, and one of them is entirely unused.  Both take up a decent chunk of

Re: [Xen-devel] Xen 4.14 and future work

2019-12-03 Thread Andrew Cooper
On 03/12/2019 09:03, Durrant, Paul wrote: >> -Original Message- >> From: Xen-devel On Behalf Of >> Andrew Cooper >> Sent: 02 December 2019 19:52 >> To: Xen-devel List >> Subject: [Xen-devel] Xen 4.14 and future work >> >> Hello, &

Re: [Xen-devel] Xen 4.14 and future work

2019-12-03 Thread Durrant, Paul
> -Original Message- > From: Xen-devel On Behalf Of > Andrew Cooper > Sent: 02 December 2019 19:52 > To: Xen-devel List > Subject: [Xen-devel] Xen 4.14 and future work > > Hello, > > Now that 4.13 is on its way out of the door, it is time to look to > o

[Xen-devel] Xen 4.14 and future work

2019-12-02 Thread Andrew Cooper
Hello, Now that 4.13 is on its way out of the door, it is time to look to ongoing work. We have a large backlog of speculation-related work.  For one, we still don't virtualise MSR_ARCH_CAPS for guests, or use eIBRS ourselves in Xen.  Therefore, while Xen does function on Cascade Lake, support