Re: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-13 Thread Vitaly Kuznetsov
"Michael Kelley (EOSG)" writes: > On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: > >> -Original Message- >> From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] >> Sent: Friday, December 8, 2017 2:50 AM >> To: k...@vger.kernel.org; x...@kernel.org >> Cc: Paolo Bonzini ;

RE: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-12 Thread Michael Kelley (EOSG)
On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: > -Original Message- > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > Sent: Friday, December 8, 2017 2:50 AM > To: k...@vger.kernel.org; x...@kernel.org > Cc: Paolo Bonzini ; Radim Krčmář ; > Thomas > Gleixner ; Ingo

Re: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-12 Thread Vitaly Kuznetsov
Roman Kagan writes: > On Mon, Dec 11, 2017 at 10:56:33AM +0100, Vitaly Kuznetsov wrote: >> Roman Kagan writes: >> > On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: >> >> +void register_hv_tsc_update(void (*cb)(void)) >> >> +{ >> > >> > The function name seems unfortunate. IMHO

Re: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-11 Thread Roman Kagan
On Mon, Dec 11, 2017 at 10:56:33AM +0100, Vitaly Kuznetsov wrote: > Roman Kagan writes: > > On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: > >> +void register_hv_tsc_update(void (*cb)(void)) > >> +{ > > > > The function name seems unfortunate. IMHO such a name suggests > > regi

Re: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-11 Thread Vitaly Kuznetsov
Roman Kagan writes: > On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: >> Hyper-V supports Live Migration notification. This is supposed to be used >> in conjunction with TSC emulation: when we are migrated to a host with >> different TSC frequency for some short period host emul

Re: [PATCH 3/6] x86/hyper-v: reenlightenment notifications support

2017-12-08 Thread Roman Kagan
On Fri, Dec 08, 2017 at 11:49:57AM +0100, Vitaly Kuznetsov wrote: > Hyper-V supports Live Migration notification. This is supposed to be used > in conjunction with TSC emulation: when we are migrated to a host with > different TSC frequency for some short period host emulates our accesses > to TSC