Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-06 Thread Xuquan (Euler)
On August 30, 2016 1:58 PM, Tian, Kevin wrote: >> From: Xuquan (Euler) [mailto:xuqu...@huawei.com] >> Sent: Friday, August 19, 2016 8:59 PM >> >> When Xen apicv is enabled, wall clock time is faster on Windows7-32 >> guest with high payload (with 2vCPU, captured fro

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-06 Thread Xuquan (Euler)
On September 06, 2016 5:05 PM, Jan Beulich On 06.09.16 at 10:53, wrote: >> to be honest, my fix is also a tradeoff.. w/ my patch, multiple >> pending pt interrupt instances may be combined as one injection of >> guest timer interrupt.. >> but as Yang said, It should be ok since it happens r

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-06 Thread Xuquan (Euler)
On September 06, 2016 9:21 PM, Jan Beulich wrote: On 06.09.16 at 13:22, wrote: >> On September 06, 2016 5:05 PM, Jan Beulich >> On 06.09.16 at 10:53, wrote: to be honest, my fix is also a tradeoff.. w/ my patch, multiple pending pt interrupt instances may be combined as one i

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-08 Thread Xuquan (Euler)
On August 30, 2016 1:58 PM, Tian Kevin < kevin.t...@intel.com > wrote: >> From: Xuquan (Euler) [mailto:xuqu...@huawei.com] >> Sent: Friday, August 19, 2016 8:59 PM >> >> When Xen apicv is enabled, wall clock time is faster on Windows7-32 >> guest with hig

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-12 Thread Xuquan (Euler)
On September 12, 2016 3:58 PM, Tian, Kevin wrote: >> From: Xuquan (Euler) [mailto:xuqu...@huawei.com] >> Sent: Friday, September 09, 2016 11:02 AM >> >> On August 30, 2016 1:58 PM, Tian Kevin < kevin.t...@intel.com > wrote: >> >> From: Xuquan (Euler) [mai

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-19 Thread Xuquan (Euler)
On September 19, 2016 5:25 PM, Tian Kevin wrote: >> From: Xuquan (Euler) [mailto:xuqu...@huawei.com] >> Sent: Monday, September 12, 2016 5:08 PM >> >> On September 12, 2016 3:58 PM, Tian, Kevin wrote: >> >> From: Xuquan (Euler) [mailto:xuqu...@huawei.com] &g

[Xen-devel] [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-20 Thread Xuquan (Euler)
>From 97760602b5c94745e76ed78d23e8fdf9988d234e Mon Sep 17 00:00:00 2001 From: Quan Xu Date: Tue, 20 Sep 2016 21:12:54 +0800 Subject: [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue When Xen apicv is enabled, wall clock time is faster on Windows7-32 guest with high payload (with 2vCPU

Re: [Xen-devel] [ vTPM ] ownership disappear

2016-09-22 Thread Xuquan (Euler)
On September 20, 2016 9:14, > Hi everyone, > when I create a vTPM instance and attached to it a VM, I use tpm-tools to > take thw ownership of the vTPM. Then, > if I destroy the vTPM and the VM, my expectation is that when I re-create the > same vTPM attached to the same VM, > the owership is alr

Re: [Xen-devel] [PATCH v2] x86/apicv: fix RTC periodic timer and apicv issue

2016-09-23 Thread Xuquan (Euler)
On September 24, 2016 7:34 AM, Tian Kevin < kevin.t...@intel.com > wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Friday, September 23, 2016 11:34 PM >> >> >>> On 20.09.16 at 15:30, wrote: >> > --- a/xen/arch/x86/hvm/vlapic.c >> > +++ b/xen/arch/x86/hvm/vlapic.c >> > @@ -433,6 +43

[Xen-devel] [PATCH RESEND] MAINTAINERS: update email

2016-08-01 Thread Xuquan (Euler)
Signed-off-by: Quan Xu Reviewed-by: Kevin Tian --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 65c2447..97720a8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -415,7 +415,7 @@ F: xen/include/asm-x86/hvm/monitor.h VTPM M: Dani

Re: [Xen-devel] [PATCH RESEND] MAINTAINERS: update email

2016-08-01 Thread Xuquan (Euler)
Wei, thanks!! This email is sent out from outlook (the Linux can't send out email). the format may be not correct. Quan On Aug 01 2016 at 18:46:00pm, Wei Liu wrote: On Mon, Aug 01, 2016 at 10:36:43AM +0000, Xuquan (Euler) wrote: > Signed-off-by: Quan Xu > Reviewed-by: Kevin Tian

Re: [Xen-devel] [PATCH 15/19] Qemu-Xen-vTPM: Xen frontend driver infrastructure

2016-08-09 Thread Xuquan (Euler)
On August 07, 2016 7:39 PM, Emil Condrea wrote: On Mon, Jul 25, 2016 at 7:01 PM, Anthony PERARD wrote: > > > > > +{ > > > +xs_transaction_t xbt = XBT_NULL; > > > + > > > +if (xendev->fe_state == xbus) { > > > +return 0; > > > +} > > > + > > > +xendev->fe_state = xbus; > >

[Xen-devel] help -- A question about ' XENFEAT_auto_translated_physmap':

2016-08-09 Thread Xuquan (Euler)
Hi Jan, A question about ' XENFEAT_auto_translated_physmap': In linux code, in arch/x86/xen/mmu.c, __xen_pgd_walk() { if (xen_feature(XENFEAT_auto_translated_physmap)) return 0; } Why xen_feature(XENFEAT_auto_translated_physmap) is true, then return directl

Re: [Xen-devel] help -- A question about ' XENFEAT_auto_translated_physmap':

2016-08-10 Thread Xuquan (Euler)
On August 09, 2016 9:02 PM, < jbeul...@suse.com > wrote: > >>> On 09.08.16 at 14:36, wrote: > > Hi Jan, > > > > A question about ' XENFEAT_auto_translated_physmap': > > > > In linux code, in arch/x86/xen/mmu.c, > > I assume you know that I'm not a maintainer of the Linux code. > > > __xen_pgd_wal

[Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-19 Thread Xuquan (Euler)
>From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 2001 From: Quan Xu Date: Fri, 19 Aug 2016 20:40:31 +0800 Subject: [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue When Xen apicv is enabled, wall clock time is faster on Windows7-32 guest with high payload (with 2vCP

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 5:38 PM, Yang Zhang wrote: >On 2016/8/19 20:58, Xuquan (Euler) wrote: >> From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 2001 >> From: Quan Xu >> Date: Fri, 19 Aug 2016 20:40:31 +0800 >> Subject: [RFC PATCH] x86/apicv: fix RTC per

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 6:36 PM, wrote: On 19.08.16 at 14:58, wrote: >> From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 2001 >> From: Quan Xu >> Date: Fri, 19 Aug 2016 20:40:31 +0800 >> Subject: [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue >> >> When Xen apicv

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 7:40 PM, Yang Zhang wrote: >On 2016/8/22 18:35, Jan Beulich wrote: > On 19.08.16 at 14:58, wrote: >>> From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 >>> 2001 >>> From: Quan Xu >>> Date: Fri, 19 Aug 2016 20:40:31 +0800 >>> Subject: [RFC PATCH] x86/apicv: f

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 9:10 PM, Yang Zhang wrote: >On 2016/8/22 20:04, Jan Beulich wrote: > On 22.08.16 at 13:41, wrote: >>> On August 22, 2016 6:36 PM, wrote: >>> On 19.08.16 at 14:58, wrote: > From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 > 2001 > From: Quan

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 8:04 PM, wrote: On 22.08.16 at 13:41, wrote: >> On August 22, 2016 6:36 PM, wrote: >> On 19.08.16 at 14:58, wrote: From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 00:00:00 2001 From: Quan Xu Date: Fri, 19 Aug 2016 20:40:31 +0800 Su

Re: [Xen-devel] [RFC PATCH] x86/apicv: fix RTC periodic timer and apicv issue

2016-08-22 Thread Xuquan (Euler)
On August 22, 2016 11:12 PM, wrote: On 22.08.16 at 16:02, wrote: >> On August 22, 2016 8:04 PM, wrote: >> On 22.08.16 at 13:41, wrote: On August 22, 2016 6:36 PM, wrote: On 19.08.16 at 14:58, wrote: >> From 9b2df963c13ad27e2cffbeddfa3267782ac3da2a Mon Sep 17 >00:00: