mas Gleixner
> ; Ingo Molnar ; H. Peter Anvin
> ; Steven Rostedt ; Jork Loeser
>
> Subject: Re: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush
>
> KY Srinivasan writes:
>
> >> -Original Message-
> >> From: Vitaly Kuznetsov [mailto:vkuzn...@
> -Original Message-
> From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
> > We may be supporting more than 64 CPUs in this hypercall. I am going
> > to inquire with the Windows folks and get back to you.
>
> Thanks! It is even specified in the specification:
> "Future versions of the h
hang ; Stephen Hemminger
>> ; Thomas Gleixner ; Ingo
>> Molnar ; H. Peter Anvin ; Steven
>> Rostedt ; Jork Loeser
>> Subject: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush
>
>> diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c new file
>
t; Haiyang Zhang ; Stephen Hemminger
>> ; Thomas Gleixner ; Ingo
>> Molnar ; H. Peter Anvin ; Steven
>> Rostedt ; Jork Loeser
>> Subject: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush
>>
>> Hyper-V host can suggest us to use hypercall
ixner ; Ingo
> Molnar ; H. Peter Anvin ; Steven
> Rostedt ; Jork Loeser
> Subject: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush
>
> Hyper-V host can suggest us to use hypercall for doing remote TLB flush,
> this is supposed to work faster than I
r ; Ingo
> Molnar ; H. Peter Anvin ; Steven
> Rostedt ; Jork Loeser
> Subject: [PATCH 6/7] x86/hyper-v: use hypercall for remove TLB flush
> diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c new file
> mode 100644 index 000..fb487cb
> --- /dev/null
> ++
Hyper-V host can suggest us to use hypercall for doing remote TLB flush,
this is supposed to work faster than IPIs.
Implementation details: to do HvFlushVirtualAddress{Space,List} hypercalls
we need to put the input somewhere in memory and we don't really want to
have memory allocation on each cal