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The XIVE (External Interrupt Virtualization Engine) is a new interrupt controller present in IBM's POWER9 processor. It's a very powerful, very complex device using queues and shared memory to improve interrupt dispatch performance in a virtualized environment. This yields a ~10% performance improvment over the XICS emulation mode, measured in both buildworld, and 'dd' from nvme to /dev/null. Currently, this only supports native access. MFC after: 1 month |
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| .. | ||
| mmu_phyp.c | ||
| phyp-hvcall.h | ||
| phyp-hvcall.S | ||
| phyp_console.c | ||
| phyp_llan.c | ||
| phyp_vscsi.c | ||
| platform_chrp.c | ||
| plpar_iommu.c | ||
| plpar_iommu.h | ||
| plpar_pcibus.c | ||
| rtas_dev.c | ||
| rtas_pci.c | ||
| vdevice.c | ||
| xics.c | ||