diff options
| -rw-r--r-- | Documentation/kernel-parameters.txt | 2 | ||||
| -rw-r--r-- | init/main.c | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a571495a9ac..789f97ac22b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1181,6 +1181,8 @@ and is between 256 and 4096 characters. It is defined in the file nosmp [SMP] Tells an SMP kernel to act as a UP kernel. + nosoftlockup [KNL] Disable the soft-lockup detector. + nosync [HW,M68K] Disables sync negotiation for all devices. notsc [BUGS=IA-32] Disable Time Stamp Counter diff --git a/init/main.c b/init/main.c index 038c7cb5239..c8c9a0b21e9 100644 --- a/init/main.c +++ b/init/main.c @@ -728,6 +728,15 @@ static void __init do_basic_setup(void) do_initcalls(); } +static int __initdata nosoftlockup; + +static int __init nosoftlockup_setup(char *str) +{ + nosoftlockup = 1; + return 1; +} +__setup("nosoftlockup", nosoftlockup_setup); + static void __init do_pre_smp_initcalls(void) { extern int spawn_ksoftirqd(void); @@ -737,7 +746,8 @@ static void __init do_pre_smp_initcalls(void) migration_init(); #endif spawn_ksoftirqd(); - spawn_softlockup_task(); + if (!nosoftlockup) + spawn_softlockup_task(); } static void run_init_process(char *init_filename) |