Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-06-23 Thread Yang Weijiang
On Tue, Jun 23, 2020 at 11:39:19AM -0700, Sean Christopherson wrote: > On Thu, Jun 11, 2020 at 09:29:13AM +0800, Yang Weijiang wrote: > > On Wed, Jun 10, 2020 at 09:56:36AM -0700, Sean Christopherson wrote: > > > On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > > > > Several parts

Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-06-23 Thread Sean Christopherson
On Thu, Jun 11, 2020 at 09:29:13AM +0800, Yang Weijiang wrote: > On Wed, Jun 10, 2020 at 09:56:36AM -0700, Sean Christopherson wrote: > > On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > > > Several parts in KVM have been updated to provide VM CET support, > > > including: > > >

Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-06-10 Thread Yang Weijiang
On Wed, Jun 10, 2020 at 09:56:36AM -0700, Sean Christopherson wrote: > On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > > Several parts in KVM have been updated to provide VM CET support, including: > > CPUID/XSAVES config, MSR pass-through, user space MSR access interface, > >

Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-06-10 Thread Sean Christopherson
On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > Several parts in KVM have been updated to provide VM CET support, including: > CPUID/XSAVES config, MSR pass-through, user space MSR access interface, > vmentry/vmexit config, nested VM etc. These patches have dependency on CET >

Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-05-19 Thread Sean Christopherson
On Mon, May 18, 2020 at 04:42:32PM +0800, Yang Weijiang wrote: > On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > > Control-flow Enforcement Technology (CET) provides protection against > > Return/Jump-Oriented Programming (ROP/JOP) attack. There're two CET > > sub-features: Shadow

Re: [PATCH v12 00/10] Introduce support for guest CET feature

2020-05-18 Thread Yang Weijiang
On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote: > Control-flow Enforcement Technology (CET) provides protection against > Return/Jump-Oriented Programming (ROP/JOP) attack. There're two CET > sub-features: Shadow Stack (SHSTK) and Indirect Branch Tracking (IBT). > SHSTK is to

[PATCH v12 00/10] Introduce support for guest CET feature

2020-05-06 Thread Yang Weijiang
Control-flow Enforcement Technology (CET) provides protection against Return/Jump-Oriented Programming (ROP/JOP) attack. There're two CET sub-features: Shadow Stack (SHSTK) and Indirect Branch Tracking (IBT). SHSTK is to prevent ROP programming and IBT is to prevent JOP programming. Several parts