Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-16 Thread Jan Beulich
>>> On 15.02.16 at 18:17, wrote: > On Mon, Feb 15, 2016 at 10:06 AM, Jan Beulich wrote: >> >>> On 15.02.16 at 17:55, wrote: >> > All paths that end up using this dr7 value in vm_event have v==current, >> so >> > right now there is no caller to this function using dr7 where v!=current. >> > Futur

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-15 Thread Lengyel, Tamas
On Mon, Feb 15, 2016 at 10:06 AM, Jan Beulich wrote: > >>> On 15.02.16 at 17:55, wrote: > > On Mon, Feb 15, 2016 at 9:48 AM, Jan Beulich wrote: > > > >> >>> On 15.02.16 at 17:27, wrote: > >> > On Fri, Feb 12, 2016 at 8:00 AM, Jan Beulich > wrote: > >> > > >> >> >>> On 12.02.16 at 13:57, wrot

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-15 Thread Jan Beulich
>>> On 15.02.16 at 17:55, wrote: > On Mon, Feb 15, 2016 at 9:48 AM, Jan Beulich wrote: > >> >>> On 15.02.16 at 17:27, wrote: >> > On Fri, Feb 12, 2016 at 8:00 AM, Jan Beulich wrote: >> > >> >> >>> On 12.02.16 at 13:57, wrote: >> >> > On Feb 12, 2016 02:12, "Jan Beulich" wrote: >> >> >> >> >>

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-15 Thread Lengyel, Tamas
On Mon, Feb 15, 2016 at 9:48 AM, Jan Beulich wrote: > >>> On 15.02.16 at 17:27, wrote: > > On Fri, Feb 12, 2016 at 8:00 AM, Jan Beulich wrote: > > > >> >>> On 12.02.16 at 13:57, wrote: > >> > On Feb 12, 2016 02:12, "Jan Beulich" wrote: > >> >> > >> >> >>> On 12.02.16 at 01:22, wrote: > >> >>

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-15 Thread Jan Beulich
>>> On 15.02.16 at 17:27, wrote: > On Fri, Feb 12, 2016 at 8:00 AM, Jan Beulich wrote: > >> >>> On 12.02.16 at 13:57, wrote: >> > On Feb 12, 2016 02:12, "Jan Beulich" wrote: >> >> >> >> >>> On 12.02.16 at 01:22, wrote: >> >> > Sending the dr7 register during vm_events is useful for various >>

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-15 Thread Lengyel, Tamas
On Fri, Feb 12, 2016 at 8:00 AM, Jan Beulich wrote: > >>> On 12.02.16 at 13:57, wrote: > > On Feb 12, 2016 02:12, "Jan Beulich" wrote: > >> > >> >>> On 12.02.16 at 01:22, wrote: > >> > Sending the dr7 register during vm_events is useful for various > > applications, > >> > but the current way

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-12 Thread Jan Beulich
>>> On 12.02.16 at 13:57, wrote: > On Feb 12, 2016 02:12, "Jan Beulich" wrote: >> >> >>> On 12.02.16 at 01:22, wrote: >> > Sending the dr7 register during vm_events is useful for various > applications, >> > but the current way the register value is gathered is incorrent. In this >> > patch >> >

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-12 Thread Lengyel, Tamas
On Feb 12, 2016 02:12, "Jan Beulich" wrote: > > >>> On 12.02.16 at 01:22, wrote: > > Sending the dr7 register during vm_events is useful for various applications, > > but the current way the register value is gathered is incorrent. In this > > patch > > we extend vmx_vmcs_save so that we get the

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-12 Thread Jan Beulich
>>> On 12.02.16 at 01:22, wrote: > Sending the dr7 register during vm_events is useful for various applications, > but the current way the register value is gathered is incorrent. In this > patch > we extend vmx_vmcs_save so that we get the correct value. > > Suggested-by: Andrew Cooper Iirc A

Re: [Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-11 Thread Razvan Cojocaru
On 02/12/2016 02:22 AM, Tamas K Lengyel wrote: > Sending the dr7 register during vm_events is useful for various applications, > but the current way the register value is gathered is incorrent. In this patch > we extend vmx_vmcs_save so that we get the correct value. > > Suggested-by: Andrew Coope

[Xen-devel] [PATCH v2 1/2] hvm/vmx: save dr7 during vmx_vmcs_save

2016-02-11 Thread Tamas K Lengyel
Sending the dr7 register during vm_events is useful for various applications, but the current way the register value is gathered is incorrent. In this patch we extend vmx_vmcs_save so that we get the correct value. Suggested-by: Andrew Cooper Signed-off-by: Tamas K Lengyel Cc: Jun Nakajima Cc: