From b1f7929ef412ab39e5fb553b2dbed4c6f0a19a68 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 25 Oct 2010 16:10:43 +0200 Subject: [PATCH] [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: Heiko Carstens Signed-off-by: Martin Schwidefsky --- Documentation/kernel-parameters.txt | 2 +- arch/s390/kernel/topology.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 0b6815504e6de..b660085dcc69a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -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] diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 13559c9938470..eb0bc4752ae82 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -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); -- 2.39.5