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runtime: remove note about goid reuse 

Goids are designed to be big enough that they will never be reused:
a uint64 is enough to generate a new goroutine every nanosecond
for 500+ years before wrapping around, and after 500 years you
should probably stop and pick up some security updates.

This note was added in CL 70993 and appears to have just been
a misunderstanding by the CL author.

Change-Id: Ida7099b5191a4e5dbb1e3e9e44b4b86d7779fd6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/582895
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
This commit is contained in:
Russ Cox 2024-05-02 14:27:26 -04:00 committed by Gopher Robot
parent 865cf5c5f6
commit 8f71c7633f
1 changed files with 2 additions and 3 deletions
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5
src/runtime/extern.go
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@ -198,9 +198,8 @@ It is a comma-separated list of name=val pairs setting these named variables:
tracebackancestors: setting tracebackancestors=N extends tracebacks with the stacks at
which goroutines were created, where N limits the number of ancestor goroutines to
report. This also extends the information returned by runtime.Stack. Ancestor's goroutine
IDs will refer to the ID of the goroutine at the time of creation; it's possible for this
ID to be reused for another goroutine. Setting N to 0 will report no ancestry information.
report. This also extends the information returned by runtime.Stack.
Setting N to 0 will report no ancestry information.
tracefpunwindoff: setting tracefpunwindoff=1 forces the execution tracer to
use the runtime's default stack unwinder instead of frame pointer unwinding.