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e1a1ef84cd
We already allocate hardware TCE tables in multiple levels and skip intermediate levels when we can, now it is a turn of the KVM TCE tables. Thankfully these are allocated already in 2 levels. This moves the table's last level allocation from the creating helper to kvmppc_tce_put() and kvm_spapr_tce_fault(). Since such allocation cannot be done in real mode, this creates a virtual mode version of kvmppc_tce_put() which handles allocations. This adds kvmppc_rm_ioba_validate() to do an additional test if the consequent kvmppc_tce_put() needs a page which has not been allocated; if this is the case, we bail out to virtual mode handlers. The allocations are protected by a new mutex as kvm->lock is not suitable for the task because the fault handler is called with the mmap_sem held but kvmhv_setup_mmu() locks kvm->lock and mmap_sem in the reverse order. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> |
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.. | ||
book3s.c | ||
book3s.h | ||
book3s_32_mmu.c | ||
book3s_32_mmu_host.c | ||
book3s_32_sr.S | ||
book3s_64_mmu.c | ||
book3s_64_mmu_host.c | ||
book3s_64_mmu_hv.c | ||
book3s_64_mmu_radix.c | ||
book3s_64_slb.S | ||
book3s_64_vio.c | ||
book3s_64_vio_hv.c | ||
book3s_emulate.c | ||
book3s_exports.c | ||
book3s_hv.c | ||
book3s_hv_builtin.c | ||
book3s_hv_hmi.c | ||
book3s_hv_interrupts.S | ||
book3s_hv_nested.c | ||
book3s_hv_ras.c | ||
book3s_hv_rm_mmu.c | ||
book3s_hv_rm_xics.c | ||
book3s_hv_rm_xive.c | ||
book3s_hv_rmhandlers.S | ||
book3s_hv_tm.c | ||
book3s_hv_tm_builtin.c | ||
book3s_interrupts.S | ||
book3s_mmu_hpte.c | ||
book3s_paired_singles.c | ||
book3s_pr.c | ||
book3s_pr_papr.c | ||
book3s_rmhandlers.S | ||
book3s_rtas.c | ||
book3s_segment.S | ||
book3s_xics.c | ||
book3s_xics.h | ||
book3s_xive.c | ||
book3s_xive.h | ||
book3s_xive_template.c | ||
booke.c | ||
booke.h | ||
booke_emulate.c | ||
booke_interrupts.S | ||
bookehv_interrupts.S | ||
e500.c | ||
e500.h | ||
e500_emulate.c | ||
e500_mmu.c | ||
e500_mmu_host.c | ||
e500_mmu_host.h | ||
e500mc.c | ||
emulate.c | ||
emulate_loadstore.c | ||
fpu.S | ||
irq.h | ||
Kconfig | ||
Makefile | ||
mpic.c | ||
powerpc.c | ||
timing.c | ||
timing.h | ||
tm.S | ||
trace.h | ||
trace_book3s.h | ||
trace_booke.h | ||
trace_hv.h | ||
trace_pr.h |