diff options
Diffstat (limited to 'src/runtime/panic.go')
| -rw-r--r-- | src/runtime/panic.go | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/src/runtime/panic.go b/src/runtime/panic.go index 0e4086c7ef..47563f450e 100644 --- a/src/runtime/panic.go +++ b/src/runtime/panic.go @@ -188,16 +188,6 @@ func newdefer(siz int32) *_defer { d = (*_defer)(mallocgc(total, deferType, 0)) } d.siz = siz - if mheap_.shadow_enabled { - // This memory will be written directly, with no write barrier, - // and then scanned like stacks during collection. - // Unlike real stacks, it is from heap spans, so mark the - // shadow as explicitly unusable. - p := deferArgs(d) - for i := uintptr(0); i+ptrSize <= uintptr(siz); i += ptrSize { - writebarrierptr_noshadow((*uintptr)(add(p, i))) - } - } gp := mp.curg d.link = gp._defer gp._defer = d @@ -214,12 +204,6 @@ func freedefer(d *_defer) { if d.fn != nil { freedeferfn() } - if mheap_.shadow_enabled { - // Undo the marking in newdefer. - systemstack(func() { - clearshadow(uintptr(deferArgs(d)), uintptr(d.siz)) - }) - } sc := deferclass(uintptr(d.siz)) if sc < uintptr(len(p{}.deferpool)) { mp := acquirem() |