Re: [PATCH V3 07/14] KVM: MIPS: Use root tlb to control guest's CCA for Loongson-3

2020-05-08 Thread Aleksandar Markovic
нед, 3. мај 2020. у 12:12 Huacai Chen је написао/ла: > > KVM guest has two levels of address translation: guest tlb translates > GVA to GPA, and root tlb translates GPA to HPA. By default guest's CCA > is controlled by guest tlb, but Loongson-3 maintains all cache coherency > by hardware (includin

[PATCH V3 07/14] KVM: MIPS: Use root tlb to control guest's CCA for Loongson-3

2020-05-03 Thread Huacai Chen
KVM guest has two levels of address translation: guest tlb translates GVA to GPA, and root tlb translates GPA to HPA. By default guest's CCA is controlled by guest tlb, but Loongson-3 maintains all cache coherency by hardware (including multi-core coherency and I/O DMA coherency) so it prefers all