Add support for H_REG_SNS hcall which will be used by the guest to make use of Expropriation/Subvention Notification option aka asynchronous page fault support.
The kernel enablement patches are posted here: https://lore.kernel.org/linuxppc-dev/20210805072439.501481-1-bhar...@linux.ibm.com/T/#t Bharata B Rao (2): spapr: Add H_REG_SNS hcall ppc,spapr: Handle KVM_EXIT_ESN hw/ppc/spapr.c | 3 ++ hw/ppc/spapr_hcall.c | 56 +++++++++++++++++++++++++++++++++ include/hw/ppc/spapr.h | 3 ++ include/hw/ppc/spapr_irq.h | 1 + linux-headers/asm-powerpc/kvm.h | 6 ++++ linux-headers/linux/kvm.h | 2 ++ target/ppc/kvm.c | 30 ++++++++++++++++++ target/ppc/kvm_ppc.h | 10 ++++++ 8 files changed, 111 insertions(+) -- 2.31.1
