Re: [Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread Andrew Cooper
On 06/02/18 12:30, Zhenzhong Duan wrote: > 在 2018/2/6 19:56, Andrew Cooper 写道: >> On 06/02/18 11:41, Zhenzhong Duan wrote: >>> On 2018/2/6 18:50, Andrew Cooper wrote: On 06/02/18 10:29, zhenzhong.duan wrote: > > > 2018年2月6日 17:20于 Andrew Cooper

Re: [Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread Zhenzhong Duan
在 2018/2/6 19:56, Andrew Cooper 写道: On 06/02/18 11:41, Zhenzhong Duan wrote: On 2018/2/6 18:50, Andrew Cooper wrote: On 06/02/18 10:29, zhenzhong.duan wrote: 2018年2月6日 17:20于 Andrew Cooper >写道： > > On 06/02/2018 09:13, Zhenzhong Duan wrote: > > 在 2018/2/6 1

Re: [Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread Andrew Cooper
On 06/02/18 11:41, Zhenzhong Duan wrote: > On 2018/2/6 18:50, Andrew Cooper wrote: >> On 06/02/18 10:29, zhenzhong.duan wrote: >>> >>> >>> 2018年2月6日 17:20于 Andrew Cooper >> >写道： >>> > >>> > On 06/02/2018 09:13, Zhenzhong Duan wrote: >>> > > 在 2018/2/6 16:59, Andrew

Re: [Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread Zhenzhong Duan
On 2018/2/6 18:50, Andrew Cooper wrote: On 06/02/18 10:29, zhenzhong.duan wrote: 2018年2月6日 17:20于 Andrew Cooper >写道： > > On 06/02/2018 09:13, Zhenzhong Duan wrote: > > 在 2018/2/6 16:59, Andrew Cooper 写道: > >> On 06/02/2018 08:43, Zhenzhong Duan wrote: > >>> W

Re: [Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread Andrew Cooper
On 06/02/18 10:29, zhenzhong.duan wrote: > > > 2018年2月6日 17:20于 Andrew Cooper >写道： > > > > On 06/02/2018 09:13, Zhenzhong Duan wrote: > > > 在 2018/2/6 16:59, Andrew Cooper 写道: > > >> On 06/02/2018 08:43, Zhenzhong Duan wrote: > > >>> When ( ibrs && thunk == THUNK_

[Xen-devel] 回复: Re: [PATCH] Choose retpoline only when it is safe to use

2018-02-06 Thread zhenzhong.duan
2018年2月6日 17:20于 Andrew Cooper 写道： > > On 06/02/2018 09:13, Zhenzhong Duan wrote: > > 在 2018/2/6 16:59, Andrew Cooper 写道: > >> On 06/02/2018 08:43, Zhenzhong Duan wrote: > >>> When ( ibrs && thunk == THUNK_DEFAULT && !retpoline_safe() ) is true, > >>> thunk is set to THUNK_JMP rather than THUN