* Chris Metcalf wrote:
> On 03/03/2016 01:34 PM, Andi Kleen wrote:
> >Chris Metcalf writes:
> >>+config TASK_ISOLATION_ALL
> >>+ bool "Provide task isolation on all CPUs by default (except CPU 0)"
> >>+ depends on TASK_ISOLATION
> >>+ help
> >>+If the user doesn't pass the task_isolat
> The same arguments would seem to apply to TASK_ISOLATION_ALL;
> note that applications don't actually go into task isolation mode
> without issuing the appropriate prctl(), so it shouldn't be too
That's a fair point. If it's entirely opt-in it's probably ok.
-Andi
On 03/03/2016 01:34 PM, Andi Kleen wrote:
Chris Metcalf writes:
+config TASK_ISOLATION_ALL
+ bool "Provide task isolation on all CPUs by default (except CPU 0)"
+ depends on TASK_ISOLATION
+ help
+If the user doesn't pass the task_isolation boot option to
+d
Chris Metcalf writes:
>
> +config TASK_ISOLATION_ALL
> + bool "Provide task isolation on all CPUs by default (except CPU 0)"
> + depends on TASK_ISOLATION
> + help
> + If the user doesn't pass the task_isolation boot option to
> + define the range of task isolation CPUs, co
This option, similar to NO_HZ_FULL_ALL, simplifies configuring
a system to boot by default with all cores except the boot core
running in task isolation mode.
---
init/Kconfig | 10 ++
kernel/isolation.c | 6 ++
2 files changed, 16 insertions(+)
diff --git a/init/Kconfig b/init
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