diff options
Diffstat (limited to 'include/exec/cpu-defs.h')
| -rw-r--r-- | include/exec/cpu-defs.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index 9005923b4d..659c73d2a1 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -145,8 +145,14 @@ typedef struct CPUIOTLBEntry { * Data elements that are shared between all MMU modes. */ typedef struct CPUTLBCommon { - /* lock serializes updates to tlb_table and tlb_v_table */ + /* Serialize updates to tlb_table and tlb_v_table, and others as noted. */ QemuSpin lock; + /* + * Within pending_flush, for each bit N, there exists an outstanding + * cross-cpu flush for mmu_idx N. Further cross-cpu flushes to that + * mmu_idx may be discarded. Protected by tlb_c.lock. + */ + uint16_t pending_flush; } CPUTLBCommon; /* |