Re: [PATCH v5 0/1] Implements MMIO emulation for lvx/stvx instructions

2018-02-02 Thread joserz
On Fri, Feb 02, 2018 at 11:30:18AM +1100, Paul Mackerras wrote: > On Thu, Feb 01, 2018 at 04:15:38PM -0200, Jose Ricardo Ziviani wrote: > > v5: > > - Fixed the mask off of the effective address > > > > v4: > > - Changed KVM_MMIO_REG_VMX to 0xc0 because there are 64 VSX registers > > > > v3: >

Re: [PATCH RESEND 1/1] KVM: PPC: Book3S: Add MMIO emulation for VMX instructions

2018-01-10 Thread joserz
On Thu, Jan 11, 2018 at 09:36:58AM +1100, Paul Mackerras wrote: > On Mon, Jan 08, 2018 at 04:29:31PM -0200, Jose Ricardo Ziviani wrote: > > This patch provides the MMIO load/store vector indexed > > X-Form emulation. > > > > Instructions implemented: lvx, stvx > > > > Signed-off-by: Jose Ricardo

Re: [PATCH] KVM: PPC: Book3S: Add capabilities for Meltdown/Spectre workarounds

2018-01-09 Thread joserz
On Tue, Jan 09, 2018 at 12:57:26PM +0100, Michal Suchánek wrote: > On Tue, 09 Jan 2018 19:39:14 +1100 > Suraj Jitindar Singh wrote: > > > > > s/behavior/behaviour > > Nope. Either is valid and the shorter American spelling is actually > more common. > > If you must nickpick choose something ac

Re: [PATCH v2 1/1] powerpc/pseries: increase pseries_dlpar_init initcall priority

2018-01-02 Thread joserz
On Tue, Jan 02, 2018 at 10:46:07PM +1100, Michael Ellerman wrote: > Jose Ricardo Ziviani writes: > > > The hotplug engine uses its own workqueue to handle IRQ requests, the > > problem is that such workqueue is initialized after init_ras_IRQ, which > > will cause a kernel panic if any hotplug int

Re: [PATCH 1/1] powerpc/pseries: Use the system workqueue as fallback to hotplug workqueue

2017-12-22 Thread joserz
On Fri, Dec 22, 2017 at 11:54:10AM +1100, David Gibson wrote: > On Thu, Dec 21, 2017 at 01:44:48PM -0200, Jose Ricardo Ziviani wrote: > > The hotplug engine uses its own workqueue to handle IRQ requests, the > > problem is that such workqueue is initialized not so early in the boot > > process. > >

Re: [PATCH] powerpc/eeh: Disable EEH stack dump by default

2017-09-20 Thread joserz
On Wed, Sep 20, 2017 at 02:47:08PM +1000, Michael Ellerman wrote: > Jose Ricardo Ziviani writes: > > > Today, each EEH causes a stack dump to be printed in the logs. In > > production environment it's not quite necessary. Thus, this patch > > I'm unconvinced. A production environment is exactly

Re: [PATCH RFC] powerpc: Implements MMIO emulation for lvx/stvx instructions

2017-08-30 Thread joserz
On Wed, Aug 30, 2017 at 07:45:17PM +1000, Paul Mackerras wrote: > On Tue, Aug 29, 2017 at 07:18:01PM -0300, Jose Ricardo Ziviani wrote: > > Hello! > > > > This patch implements MMIO emulation for two instructions: lvx and stvx. I > > started to implement other instructions but I'd like to have th

Re: [PATCH v2] powerpc/mm: Check for _PAGE_PTE in *_devmap()

2017-07-27 Thread joserz
On Fri, Jul 28, 2017 at 01:35:53AM +1000, Oliver O'Halloran wrote: > The ISA radix translation tree contains two different types of entry, > directories and leaves. The formats of the two entries are different > with the directory entries containing no spare bits for use by software. > As a result

Re: KVM guests freeze under upstream kernel

2017-07-26 Thread joserz
On Thu, Jul 20, 2017 at 10:18:18PM -0300, jos...@linux.vnet.ibm.com wrote: > On Thu, Jul 20, 2017 at 03:21:59PM +1000, Paul Mackerras wrote: > > On Thu, Jul 20, 2017 at 12:02:23AM -0300, jos...@linux.vnet.ibm.com wrote: > > > On Thu, Jul 20, 2017 at 09:42:50AM +1000, Benjamin Herrenschmidt wrote: >

Re: KVM guests freeze under upstream kernel

2017-07-20 Thread joserz
On Thu, Jul 20, 2017 at 03:21:59PM +1000, Paul Mackerras wrote: > On Thu, Jul 20, 2017 at 12:02:23AM -0300, jos...@linux.vnet.ibm.com wrote: > > On Thu, Jul 20, 2017 at 09:42:50AM +1000, Benjamin Herrenschmidt wrote: > > > On Wed, 2017-07-19 at 16:46 -0300, jos...@linux.vnet.ibm.com wrote: > > > >

Re: KVM guests freeze under upstream kernel

2017-07-19 Thread joserz
On Thu, Jul 20, 2017 at 09:42:50AM +1000, Benjamin Herrenschmidt wrote: > On Wed, 2017-07-19 at 16:46 -0300, jos...@linux.vnet.ibm.com wrote: > > Hello! > > > > We're not able to boot any KVM guest using upstream kernel > > (cb8c65ccff7f77d0285f1b126c72d37b2572c865 - 4.13.0-rc1+). > > After reach

KVM guests freeze under upstream kernel

2017-07-19 Thread joserz
Hello! We're not able to boot any KVM guest using upstream kernel (cb8c65ccff7f77d0285f1b126c72d37b2572c865 - 4.13.0-rc1+). After reaching the SLOF initial counting, the guest simply freezes: SLOF ** QEMU Starting Build Date =