* [PATCH] docs: timers: drop documentation about LB_BIAS
@ 2020-07-18 16:08 Julia Lawall
2020-07-23 20:32 ` Jonathan Corbet
0 siblings, 1 reply; 2+ messages in thread
From: Julia Lawall @ 2020-07-18 16:08 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: Jonathan Corbet, linux-kernel, linux-doc
The LB_BIAS feature was removed in commit 1c1b8a7b03ef ("sched/fair:
Replace source_load() & target_load() with weighted_cpuload()"), so drop
the mention that it is disabled in the no_hz case.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
---
Documentation/timers/no_hz.rst | 2 --
1 file changed, 2 deletions(-)
diff --git a/Documentation/timers/no_hz.rst b/Documentation/timers/no_hz.rst
index 065db21..c4c70e1 100644
--- a/Documentation/timers/no_hz.rst
+++ b/Documentation/timers/no_hz.rst
@@ -171,8 +171,6 @@ not come for free:
slightly differently than those for non-adaptive-tick CPUs.
This might in turn perturb load-balancing of real-time tasks.
-6. The LB_BIAS scheduler feature is disabled by adaptive ticks.
-
Although improvements are expected over time, adaptive ticks is quite
useful for many types of real-time and compute-intensive applications.
However, the drawbacks listed above mean that adaptive ticks should not
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] docs: timers: drop documentation about LB_BIAS
2020-07-18 16:08 [PATCH] docs: timers: drop documentation about LB_BIAS Julia Lawall
@ 2020-07-23 20:32 ` Jonathan Corbet
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Corbet @ 2020-07-23 20:32 UTC (permalink / raw)
To: Julia Lawall; +Cc: Thomas Gleixner, linux-kernel, linux-doc
On Sat, 18 Jul 2020 18:08:38 +0200
Julia Lawall <Julia.Lawall@inria.fr> wrote:
> The LB_BIAS feature was removed in commit 1c1b8a7b03ef ("sched/fair:
> Replace source_load() & target_load() with weighted_cpuload()"), so drop
> the mention that it is disabled in the no_hz case.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
>
> ---
> Documentation/timers/no_hz.rst | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/Documentation/timers/no_hz.rst b/Documentation/timers/no_hz.rst
> index 065db21..c4c70e1 100644
> --- a/Documentation/timers/no_hz.rst
> +++ b/Documentation/timers/no_hz.rst
> @@ -171,8 +171,6 @@ not come for free:
> slightly differently than those for non-adaptive-tick CPUs.
> This might in turn perturb load-balancing of real-time tasks.
>
> -6. The LB_BIAS scheduler feature is disabled by adaptive ticks.
> -
Applied, thanks.
jon
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