Re: [PATCH][5.10, 5.15, 6.1][0/1] hrtimer: Ignore slack time for RT tasks
"MOESSBAUER, Felix" <[email protected]> Mon, 19 Feb 2024 08:04:21 +0000
| Newsgroups | org.kernel.vger.stable-rt |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 2024-02-16 at 18:11 +0100, Felix Moessbauer wrote: > This suggests a fix from 6.3 for stable that fixes a nasty bug in the > timing behavior of periodic RT tasks w.r.t timerslack_ns. While the > documentation clearly states that the slack time is ignored for RT > tasks, > this is not the case for the hrtimer code. This patch fixes the issue > and > applies to all stable kernels. Hi, actually this is not an rt-stable but a stable topic, as this code is not PREEMPT_RT specific. I'll resend the patch to the stable ML. Sorry for the noise. Felix > > Best regards, > Felix Moessbauer > Siemens AG > > Davidlohr Bueso (1): > hrtimer: Ignore slack time for RT tasks in > schedule_hrtimeout_range() > > kernel/time/hrtimer.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > -- Siemens AG, Technology Linux Expert Center