diff options
Diffstat (limited to 'src/runtime/stack.go')
| -rw-r--r-- | src/runtime/stack.go | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/runtime/stack.go b/src/runtime/stack.go index 4e60e80863..89458b7ff6 100644 --- a/src/runtime/stack.go +++ b/src/runtime/stack.go @@ -913,9 +913,12 @@ func round2(x int32) int32 { // g->atomicstatus will be Grunning or Gscanrunning upon entry. // If the GC is trying to stop this g then it will set preemptscan to true. // -// ctxt is the value of the context register on morestack. newstack -// will write it to g.sched.ctxt. -func newstack(ctxt unsafe.Pointer) { +// This must be nowritebarrierrec because it can be called as part of +// stack growth from other nowritebarrierrec functions, but the +// compiler doesn't check this. +// +//go:nowritebarrierrec +func newstack() { thisg := getg() // TODO: double check all gp. shouldn't be getg(). if thisg.m.morebuf.g.ptr().stackguard0 == stackFork { @@ -929,9 +932,6 @@ func newstack(ctxt unsafe.Pointer) { } gp := thisg.m.curg - // Write ctxt to gp.sched. We do this here instead of in - // morestack so it has the necessary write barrier. - gp.sched.ctxt = ctxt if thisg.m.curg.throwsplit { // Update syscallsp, syscallpc in case traceback uses them. |