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exec: introduce cpu_reload_memory_map
This for now is a simple TLB flush. This can change later for two reasons: 1) an AddressSpaceDispatch will be cached in the CPUState object 2) it will not be possible to do tlb_flush once the TCG-generated code runs outside the BQL. Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -141,6 +141,12 @@ void cpu_resume_from_signal(CPUState *cpu, void *puc)
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cpu->exception_index = -1;
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siglongjmp(cpu->jmp_env, 1);
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}
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void cpu_reload_memory_map(CPUState *cpu)
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{
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/* The TLB is protected by the iothread lock. */
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tlb_flush(cpu, 1);
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}
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#endif
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/* Execute a TB, and fix up the CPU state afterwards if necessary */
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2
exec.c
2
exec.c
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@ -2026,7 +2026,7 @@ static void tcg_commit(MemoryListener *listener)
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if (cpu->tcg_as_listener != listener) {
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continue;
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}
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tlb_flush(cpu, 1);
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cpu_reload_memory_map(cpu);
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}
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}
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@ -96,6 +96,7 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
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void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end,
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int is_cpu_write_access);
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#if !defined(CONFIG_USER_ONLY)
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void cpu_reload_memory_map(CPUState *cpu);
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void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as);
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/* cputlb.c */
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void tlb_flush_page(CPUState *cpu, target_ulong addr);
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