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[release-branch.go1.23] runtime: fix usleep on s390x/linux 

The timespec argument takes the remainder in nanoseconds, not
microseconds. Convert the remaining time to nsec.

Fixes #71727

Change-Id: I36cbbe3a088830c5e3afcc9516ef42e96ee21268
Reviewed-on: https://go-review.googlesource.com/c/go/+/648915
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Axel Busch <axel.busch@ibm.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Vishwanatha HD <vishwanatha.hd@ibm.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/649395
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Paul Murphy 2025-02-12 08:45:34 -06:00 committed by Gopher Robot
parent a991f9c34d
commit 22fdd35c24
1 changed files with 3 additions and 2 deletions
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5
src/runtime/sys_linux_s390x.s
View File

@ -112,9 +112,10 @@ TEXT runtime·usleep(SB),NOSPLIT,$16-4
MOVW $1000000, R3
DIVD R3, R2
MOVD R2, 8(R15)
MOVW $1000, R3
MULLD R2, R3
MULLD R2, R3 // Convert sec to usec and subtract
SUB R3, R4
MOVW $1000, R3
MULLD R3, R4 // Convert remaining usec into nsec.
MOVD R4, 16(R15)
// nanosleep(&ts, 0)