Re: [Xen-devel] Crash with your meltdown patches

2018-03-02 Thread Jan Beulich
>>> On 02.03.18 at 08:44, wrote: On 01.03.18 at 19:23, wrote: >> --- a/xen/arch/x86/smpboot.c >> +++ b/xen/arch/x86/smpboot.c >> @@ -747,10 +747,9 @@ static int clone_mapping(const void *ptr,root_pgentry_t >> *rpt) >> if ( l1e_get_flags(*pl1e) & _PAGE_PRESENT ) >> { >> AS

Re: [Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Jan Beulich
>>> On 01.03.18 at 19:23, wrote: > --- a/xen/arch/x86/smpboot.c > +++ b/xen/arch/x86/smpboot.c > @@ -747,10 +747,9 @@ static int clone_mapping(const void *ptr,root_pgentry_t > *rpt) > if ( l1e_get_flags(*pl1e) & _PAGE_PRESENT ) > { > ASSERT(l1e_get_pfn(*pl1e) == pfn); > -

Re: [Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Juergen Gross
On 01/03/18 19:26, Andrew Cooper wrote: > On 01/03/18 18:23, Juergen Gross wrote: >> On 01/03/18 18:48, Andrew Cooper wrote: >>> On 01/03/18 17:05, Juergen Gross wrote: Jan, I just rebased my patch series for speeding up XPTI to current staging. This included your pending speedu

Re: [Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Andrew Cooper
On 01/03/18 18:23, Juergen Gross wrote: > On 01/03/18 18:48, Andrew Cooper wrote: >> On 01/03/18 17:05, Juergen Gross wrote: >>> Jan, >>> >>> I just rebased my patch series for speeding up XPTI to current >>> staging. This included your pending speedup series. I'm now seeing >>> a crash with the fi

Re: [Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Juergen Gross
On 01/03/18 18:48, Andrew Cooper wrote: > On 01/03/18 17:05, Juergen Gross wrote: >> Jan, >> >> I just rebased my patch series for speeding up XPTI to current >> staging. This included your pending speedup series. I'm now seeing >> a crash with the first patch of yours: >> >> (XEN) Intel VT-d Queue

Re: [Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Andrew Cooper
On 01/03/18 17:05, Juergen Gross wrote: > Jan, > > I just rebased my patch series for speeding up XPTI to current > staging. This included your pending speedup series. I'm now seeing > a crash with the first patch of yours: > > (XEN) Intel VT-d Queued Invalidation enabled. > (XEN) Intel VT-d Interr

[Xen-devel] Crash with your meltdown patches

2018-03-01 Thread Juergen Gross
Jan, I just rebased my patch series for speeding up XPTI to current staging. This included your pending speedup series. I'm now seeing a crash with the first patch of yours: (XEN) Intel VT-d Queued Invalidation enabled. (XEN) Intel VT-d Interrupt Remapping enabled. (XEN) Intel VT-d Posted Interru