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Revert "runtime: preempt more aggressively when panicking"

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This reverts CL 546135.

Reason for revert: Causes occasional throw during panic

For #65416.

Change-Id: I78c15637da18f85ede785363b777aa7d1dead3c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/560455
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Michael Pratt 2024-02-01 12:14:41 -05:00
parent 5b6cd3d0cb
commit 18840865d2
3 changed files with 4 additions and 15 deletions
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2
src/runtime/signal_unix.go
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@ -342,7 +342,7 @@ func doSigPreempt(gp *g, ctxt *sigctxt) {
// Check if this G wants to be preempted and is safe to
// preempt.
if wantAsyncPreempt(gp) {
if ok, newpc := isAsyncSafePoint(gp, ctxt.sigpc(), ctxt.sigsp(), ctxt.siglr(), panicking.Load() != 0); ok {
if ok, newpc := isAsyncSafePoint(gp, ctxt.sigpc(), ctxt.sigsp(), ctxt.siglr()); ok {
// Adjust the PC and inject a call to asyncPreempt.
ctxt.pushCall(abi.FuncPCABI0(asyncPreempt), newpc)
}