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authorEmilio G. Cota <cota@braap.org>2019-02-09 11:27:44 -0500
committerRichard Henderson <richard.henderson@linaro.org>2019-02-11 08:52:44 -0800
commitae56a2ff92ac73782279abf8857585c34b15f509 (patch)
treec6c62177eb10a58aab7820b9bff4ebbd015c93b8
parent3115584d39afe8cf2a84a40549029f53792abca5 (diff)
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exec-all: document that tlb_fill can trigger a TLB resize
Signed-off-by: Emilio G. Cota <cota@braap.org> Message-Id: <20190209162745.12668-2-cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--include/exec/exec-all.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index aa7b81a..97b90cb 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -475,6 +475,11 @@ static inline void assert_no_pages_locked(void)
struct MemoryRegionSection *iotlb_to_section(CPUState *cpu,
hwaddr index, MemTxAttrs attrs);
+/*
+ * Note: tlb_fill() can trigger a resize of the TLB. This means that all of the
+ * caller's prior references to the TLB table (e.g. CPUTLBEntry pointers) must
+ * be discarded and looked up again (e.g. via tlb_entry()).
+ */
void tlb_fill(CPUState *cpu, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr);