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runtime: comment that some linknames are used by runtime/trace

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Change-Id: I118d1ee09dfd6fd0075f9e5eeeb54441328bff4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/681495
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
This commit is contained in:
Cherry Mui 2025-06-13 11:45:23 -04:00
parent 644905891f
commit 96a6e147b2
2 changed files with 2 additions and 2 deletions
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2
src/runtime/trace.go
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@ -331,7 +331,7 @@ func StopTrace() {
//
// traceAdvanceSema must not be held.
//
// traceAdvance is called by golang.org/x/exp/trace using linkname.
// traceAdvance is called by runtime/trace and golang.org/x/exp/trace using linkname.
//
//go:linkname traceAdvance
func traceAdvance(stopTrace bool) {

2
src/runtime/tracetime.go
View file

@ -51,7 +51,7 @@ type traceTime uint64
// nosplit because it's called from exitsyscall and various trace writing functions,
// which are nosplit.
//
// traceClockNow is called by golang.org/x/exp/trace using linkname.
// traceClockNow is called by runtime/trace and golang.org/x/exp/trace using linkname.
//
//go:linkname traceClockNow
//go:nosplit