Hi,
On 02/17/2020 04:37 AM, Segher Boessenkool wrote:
On Mon, Feb 17, 2020 at 05:23:07PM +1100, Michael Neuling wrote:
Hence, we should NOP this, not generate an illegal.
It is not a reserved bit.
The IMC entry for it matches op1=01 op2=101110 presumably, which
catches all TM instruc
On Mon, Feb 17, 2020 at 05:23:07PM +1100, Michael Neuling wrote:
> > > Hence, we should NOP this, not generate an illegal.
> >
> > It is not a reserved bit.
> >
> > The IMC entry for it matches op1=01 op2=101110 presumably, which
> > catches all TM instructions and nothing else (bits 0..5
On Sun, 2020-02-16 at 23:57 -0600, Segher Boessenkool wrote:
> On Mon, Feb 17, 2020 at 12:07:31PM +1100, Michael Neuling wrote:
> > On Thu, 2020-02-13 at 10:15 -0500, Gustavo Romero wrote:
> > > On P9 DD2.2 due to a CPU defect some TM instructions need to be emulated
> > > by
> > > KVM. This is han
On Mon, Feb 17, 2020 at 12:07:31PM +1100, Michael Neuling wrote:
> On Thu, 2020-02-13 at 10:15 -0500, Gustavo Romero wrote:
> > On P9 DD2.2 due to a CPU defect some TM instructions need to be emulated by
> > KVM. This is handled at first by the hardware raising a softpatch interrupt
> > when certai
On Thu, 2020-02-13 at 10:15 -0500, Gustavo Romero wrote:
> On P9 DD2.2 due to a CPU defect some TM instructions need to be emulated by
> KVM. This is handled at first by the hardware raising a softpatch interrupt
> when certain TM instructions that need KVM assistance are executed in the
> guest. S
Hi Segher,
Thanks a lot for reviewing it.
On 02/13/2020 08:31 PM, Segher Boessenkool wrote:
---
arch/powerpc/kvm/book3s_hv_tm.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_hv_tm.c b/arch/powerpc/kvm/book3s_hv_tm.c
index 0db937497169..d3
On Thu, Feb 13, 2020 at 10:15:32AM -0500, Gustavo Romero wrote:
> On P9 DD2.2 due to a CPU defect some TM instructions need to be emulated by
> KVM. This is handled at first by the hardware raising a softpatch interrupt
> when certain TM instructions that need KVM assistance are executed in the
> g
On P9 DD2.2 due to a CPU defect some TM instructions need to be emulated by
KVM. This is handled at first by the hardware raising a softpatch interrupt
when certain TM instructions that need KVM assistance are executed in the
guest. Some TM instructions, although not defined in the Power ISA, might
