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Commit c9af3fa9 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[S390] topology: change default 



Switch default value of the kernel parameter 'topology' from off to on.
Various performance measurements have finally shown that there are no
(known) regressions anywhere.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 0576fc70

Documentation/kernel-parameters.txt

+1 −1
Original line number Diff line number Diff line
@@ -2438,7 +2438,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			topology informations if the hardware supports these.

			The scheduler will make use of these informations and

			e.g. base its process migration decisions on it.

			Default is off.

			Default is on.



	tp720=		[HW,PS2]

arch/s390/kernel/topology.c

+3 −3
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ struct mask_info { 
	cpumask_t mask;

};



static int topology_enabled;

static int topology_enabled = 1;

static void topology_work_fn(struct work_struct *work);

static struct tl_info *tl_info;

static int machine_has_topology;
@@ -311,9 +311,9 @@ static void set_topology_timer(void) 


static int __init early_parse_topology(char *p)

{

	if (strncmp(p, "on", 2))

	if (strncmp(p, "off", 3))

		return 0;

	topology_enabled = 1;

	topology_enabled = 0;

	return 0;

}

early_param("topology", early_parse_topology);