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path: root/src/runtime/lfstack.go
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Diffstat (limited to 'src/runtime/lfstack.go')
-rw-r--r--src/runtime/lfstack.go10
1 files changed, 3 insertions, 7 deletions
diff --git a/src/runtime/lfstack.go b/src/runtime/lfstack.go
index 8a36a67b3..fd3325972 100644
--- a/src/runtime/lfstack.go
+++ b/src/runtime/lfstack.go
@@ -18,7 +18,7 @@ func lfstackpush(head *uint64, node *lfnode) {
}
for {
old := atomicload64(head)
- node.next, _ = lfstackUnpack(old)
+ node.next = old
if cas64(head, old, new) {
break
}
@@ -32,12 +32,8 @@ func lfstackpop(head *uint64) unsafe.Pointer {
return nil
}
node, _ := lfstackUnpack(old)
- node2 := (*lfnode)(atomicloadp(unsafe.Pointer(&node.next)))
- new := uint64(0)
- if node2 != nil {
- new = lfstackPack(node2, node2.pushcnt)
- }
- if cas64(head, old, new) {
+ next := atomicload64(&node.next)
+ if cas64(head, old, next) {
return unsafe.Pointer(node)
}
}