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cpuplugd: Allow cpu hotplugging on systems without polarization

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Cpuplugd checks for system polarization before adjusting cpu hotplug
states. Currently, if the sysfs attribute for polarization is not
present cpuplugd does not make any adjustments. Add a new polarization
type PLR_NONE to reflect systems with no polarization state and allow
cpuplugd to adjust cpu hotplugging.

Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Mete Durlu
2025-03-19 18:38:44 +01:00
committed by Jan Höppner
parent 829fc3b294
commit 253ca8a30e
3 changed files with 4 additions and 2 deletions
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cpuplugd/cpuplugd.h
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@@ -40,6 +40,7 @@
#define CPUSTATS 10
#define PLR_HORIZONTAL 0
#define PLR_VERTICAL 1
#define PLR_NONE 2
/*
* Precedence of C operators