On Fri, 13 Oct 2023 12:43:18 -0700
Andrii Nakryiko wrote:
> > Correct. My Ack is based on the current way things are done upstream.
> > It was just that linux-rt showed the issue, where the code was not as
> > robust as it should have been. To me this was a correctness issue, not
> > an issue
On Fri, Oct 13, 2023 at 7:00 AM Steven Rostedt wrote:
>
> On Fri, 13 Oct 2023 08:01:34 +0200
> Artem Savkov wrote:
>
> > > But looking at [0] and briefly reading some of the discussions you,
> > > Steven, had. I'm just wondering if it would be best to avoid
> > > increasing struct trace_entry
On Fri, 13 Oct 2023 08:01:34 +0200
Artem Savkov wrote:
> > But looking at [0] and briefly reading some of the discussions you,
> > Steven, had. I'm just wondering if it would be best to avoid
> > increasing struct trace_entry altogether? It seems like preempt_count
> > is actually a 4-bit field
On Thu, Oct 12, 2023 at 04:32:51PM -0700, Andrii Nakryiko wrote:
> On Thu, Oct 12, 2023 at 6:43 AM Steven Rostedt wrote:
> >
> > On Thu, 12 Oct 2023 13:45:50 +0200
> > Artem Savkov wrote:
> >
> > > linux-rt-devel tree contains a patch (b1773eac3f29c ("sched: Add support
> > > for lazy
For the novice with the RT kernel, Could somebody tell me what kernel
this bug was first introduced in and what kernel we need to install to
get the fix?
This could be the issue we have been experiencing in the Linuxcnc
community with excessive RT network latency (mostly with realtek
NIC's).
I
On Thu, Oct 12, 2023 at 6:43 AM Steven Rostedt wrote:
>
> On Thu, 12 Oct 2023 13:45:50 +0200
> Artem Savkov wrote:
>
> > linux-rt-devel tree contains a patch (b1773eac3f29c ("sched: Add support
> > for lazy preemption")) that adds an extra member to struct trace_entry.
> > This causes the offset
On Thu, 12 Oct 2023 13:45:50 +0200
Artem Savkov wrote:
> linux-rt-devel tree contains a patch (b1773eac3f29c ("sched: Add support
> for lazy preemption")) that adds an extra member to struct trace_entry.
> This causes the offset of args field in struct trace_event_raw_sys_enter
> be different
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