diff options
Diffstat (limited to 'src/runtime/proc1.go')
| -rw-r--r-- | src/runtime/proc1.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/runtime/proc1.go b/src/runtime/proc1.go index 4459802b15..690a978919 100644 --- a/src/runtime/proc1.go +++ b/src/runtime/proc1.go @@ -973,7 +973,7 @@ func unlockextra(mp *m) { // Create a new m. It will start off with a call to fn, or else the scheduler. // fn needs to be static and not a heap allocated closure. -// May run during STW, so write barriers are not allowed. +// May run without a P, so write barriers are not allowed. //go:nowritebarrier func newm(fn func(), _p_ *p) { mp := allocm(_p_) @@ -1035,7 +1035,7 @@ func mspinning() { // Schedules some M to run the p (creates an M if necessary). // If p==nil, tries to get an idle P, if no idle P's does nothing. -// May run during STW, so write barriers are not allowed. +// May run without a P, so write barriers are not allowed. //go:nowritebarrier func startm(_p_ *p, spinning bool) { lock(&sched.lock) @@ -1072,6 +1072,8 @@ func startm(_p_ *p, spinning bool) { } // Hands off P from syscall or locked M. +// Always runs without a P, so write barriers are not allowed. +//go:nowritebarrier func handoffp(_p_ *p) { // if it has local work, start it straight away if _p_.runqhead != _p_.runqtail || sched.runqsize != 0 { |