On Wed, Mar 18, 2020 at 8:13 AM Jan Beulich wrote:
>
> On 18.03.2020 15:00, Tamas K Lengyel wrote:
> > On Wed, Mar 18, 2020 at 5:36 AM Jan Beulich wrote:
> >> On 28.02.2020 19:40, Tamas K Lengyel wrote:
> >>> +mfn = page_to_mfn(page);
> >>> +if ( mfn_valid(mfn) )
> >>
> >> All pag
On 18.03.2020 15:00, Tamas K Lengyel wrote:
> On Wed, Mar 18, 2020 at 5:36 AM Jan Beulich wrote:
>> On 28.02.2020 19:40, Tamas K Lengyel wrote:
>>> +mfn = page_to_mfn(page);
>>> +if ( mfn_valid(mfn) )
>>
>> All pages on a domain's list should have a valid MFN - what are you
>> tryi
On Wed, Mar 18, 2020 at 5:36 AM Jan Beulich wrote:
>
> On 28.02.2020 19:40, Tamas K Lengyel wrote:
> > --- a/xen/arch/x86/mm/mem_sharing.c
> > +++ b/xen/arch/x86/mm/mem_sharing.c
> > @@ -1775,6 +1775,91 @@ static int fork(struct domain *cd, struct domain *d)
> > return rc;
> > }
> >
> > +/
On 28.02.2020 19:40, Tamas K Lengyel wrote:
--- a/xen/arch/x86/mm/mem_sharing.c
+++ b/xen/arch/x86/mm/mem_sharing.c
@@ -1775,6 +1775,91 @@ static int fork(struct domain *cd, struct domain *d)
return rc;
}
+/*
+ * The fork reset operation is intended to be used on short-lived forks onl
Implement hypercall that allows a fork to shed all memory that got allocated
for it during its execution and re-load its vCPU context from the parent VM.
This allows the forked VM to reset into the same state the parent VM is in a
faster way then creating a new fork would be. Measurements show abou
