Re: [PATCH v4 1/5] powerpc/smp: Enable Asym packing for cores on shared processor

2023-11-15 Thread Srikar Dronamraju
* Aneesh Kumar K.V [2023-11-15 12:05:22]: > Srikar Dronamraju writes: > > > > > arch/powerpc/kernel/smp.c | 37 + > > 1 file changed, 29 insertions(+), 8 deletions(-) > > > > diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c > > index ab691c

Re: [PATCH v4 1/5] powerpc/smp: Enable Asym packing for cores on shared processor

2023-11-14 Thread Aneesh Kumar K.V
Srikar Dronamraju writes: > If there are shared processor LPARs, underlying Hypervisor can have more > virtual cores to handle than actual physical cores. > > Starting with Power 9, a big core (aka SMT8 core) has 2 nearly > independent thread groups. On a shared processors LPARs, it helps to > pa

Re: [PATCH v4 1/5] powerpc/smp: Enable Asym packing for cores on shared processor

2023-11-14 Thread Srikar Dronamraju
* Aneesh Kumar K.V [2023-11-15 10:57:08]: > Srikar Dronamraju writes: > > > If there are shared processor LPARs, underlying Hypervisor can have more > > virtual cores to handle than actual physical cores. > > > > Starting with Power 9, a big core (aka SMT8 core) has 2 nearly > > independent thr

Re: [PATCH v4 1/5] powerpc/smp: Enable Asym packing for cores on shared processor

2023-11-14 Thread Aneesh Kumar K.V
Srikar Dronamraju writes: > If there are shared processor LPARs, underlying Hypervisor can have more > virtual cores to handle than actual physical cores. > > Starting with Power 9, a big core (aka SMT8 core) has 2 nearly > independent thread groups. On a shared processors LPARs, it helps to > pa