diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 96720846b2..789b68e54e 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -491,6 +491,10 @@ type g struct { coroarg *coro // argument during coroutine transfers bubble *synctestBubble + // xRegs stores the extended register state if this G has been + // asynchronously preempted. + xRegs xRegPerG + // Per-G tracer state. trace gTraceState @@ -760,6 +764,11 @@ type p struct { // gcStopTime is the nanotime timestamp that this P last entered _Pgcstop. gcStopTime int64 + // xRegs is the per-P extended register state used by asynchronous + // preemption. This is an empty struct on platforms that don't use extended + // register state. + xRegs xRegPerP + // Padding is no longer needed. False sharing is now not a worry because p is large enough // that its size class is an integer multiple of the cache line size (for any of our architectures). } |