On Wed, 2019-07-03 at 01:20:20 UTC, Suraj Jitindar Singh wrote:
> The performance monitoring unit (PMU) registers are saved on guest exit
> when the guest has set the pmcregs_in_use flag in its lppaca, if it
> exists, or unconditionally if it doesn't. If a nested guest is being
> run then the hyper
Suraj Jitindar Singh writes:
> On Sat, 2019-07-13 at 13:47 +1000, Michael Ellerman wrote:
>> Suraj Jitindar Singh writes:
...
>> >
>> > Fixes: 95a6432ce903 "KVM: PPC: Book3S HV: Streamlined guest
>> > entry/exit path on P9 for radix guests"
>>
>> I'm not clear why this and the next commit are m
On Sat, 2019-07-13 at 13:47 +1000, Michael Ellerman wrote:
> Suraj Jitindar Singh writes:
> > The performance monitoring unit (PMU) registers are saved on guest
> > exit
> > when the guest has set the pmcregs_in_use flag in its lppaca, if it
> > exists, or unconditionally if it doesn't. If a neste
Suraj Jitindar Singh writes:
> The performance monitoring unit (PMU) registers are saved on guest exit
> when the guest has set the pmcregs_in_use flag in its lppaca, if it
> exists, or unconditionally if it doesn't. If a nested guest is being
> run then the hypervisor doesn't, and in most cases c
The performance monitoring unit (PMU) registers are saved on guest exit
when the guest has set the pmcregs_in_use flag in its lppaca, if it
exists, or unconditionally if it doesn't. If a nested guest is being
run then the hypervisor doesn't, and in most cases can't, know if the
pmu registers are in