Re: [Qemu-devel] [PATCH 1/7] spapr: Simplify handling of pre ISA 3.0 guest workaround handling

2019-09-11 Thread Alexey Kardashevskiy
On 11/09/2019 14:04, David Gibson wrote: > Certain old guest versions don't understand the radix MMU introduced with > POWER ISA 3.0, but incorrectly select it if presented with the option at > CAS time. We workaround this in qemu by explicitly excluding the radix > (and other ISA 3.0 linked)

Re: [Qemu-devel] [PATCH 1/7] spapr: Simplify handling of pre ISA 3.0 guest workaround handling

2019-09-11 Thread Greg Kurz
On Wed, 11 Sep 2019 14:04:46 +1000 David Gibson wrote: > Certain old guest versions don't understand the radix MMU introduced with > POWER ISA 3.0, but incorrectly select it if presented with the option at > CAS time. We workaround this in qemu by explicitly excluding the radix > (and other ISA

Re: [Qemu-devel] [PATCH 1/7] spapr: Simplify handling of pre ISA 3.0 guest workaround handling

2019-09-11 Thread Cédric Le Goater
On 11/09/2019 06:04, David Gibson wrote: > Certain old guest versions don't understand the radix MMU introduced with > POWER ISA 3.0, but incorrectly select it if presented with the option at > CAS time. We workaround this in qemu by explicitly excluding the radix > (and other ISA 3.0 linked)

[Qemu-devel] [PATCH 1/7] spapr: Simplify handling of pre ISA 3.0 guest workaround handling

2019-09-10 Thread David Gibson
Certain old guest versions don't understand the radix MMU introduced with POWER ISA 3.0, but incorrectly select it if presented with the option at CAS time. We workaround this in qemu by explicitly excluding the radix (and other ISA 3.0 linked) options if the guest doesn't explicitly note support