Re: [PATCH v2] powerpc/book3s64/radix: Add kernel command line option to disable radix GTSE

2020-07-30 Thread Michael Ellerman
On Mon, 27 Jul 2020 14:29:08 +0530, Aneesh Kumar K.V wrote: > This adds a kernel command line option that can be used to disable GTSE > support. > Disabling GTSE implies kernel will make hcalls to invalidate TLB entries. > > This was done so that we can do VM migration between configs that >

Re: [PATCH v2] powerpc/book3s64/radix: Add kernel command line option to disable radix GTSE

2020-07-27 Thread Bharata B Rao
On Mon, Jul 27, 2020 at 02:29:08PM +0530, Aneesh Kumar K.V wrote: > This adds a kernel command line option that can be used to disable GTSE > support. > Disabling GTSE implies kernel will make hcalls to invalidate TLB entries. > > This was done so that we can do VM migration between configs that

[PATCH v2] powerpc/book3s64/radix: Add kernel command line option to disable radix GTSE

2020-07-27 Thread Aneesh Kumar K.V
This adds a kernel command line option that can be used to disable GTSE support. Disabling GTSE implies kernel will make hcalls to invalidate TLB entries. This was done so that we can do VM migration between configs that enable/disable GTSE support via hypervisor. To migrate a VM from a system