The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second.
AFAICT, the commandline is the easiest way to suppress the probing. Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- drivers/lguest/lguest.c | 6 ++++++ 1 file changed, 6 insertions(+) =================================================================== --- a/drivers/lguest/lguest.c +++ b/drivers/lguest/lguest.c @@ -605,6 +605,12 @@ __init void lguest_init(void *boot) acpi_disabled = 1; acpi_ht = 0; #endif +#ifdef CONFIG_BLK_DEV_IDE + /* Saves three seconds off boot time. */ + strcat(boot_command_line, + " ide0=noprobe ide1=noprobe ide2=noprobe" + " ide3=noprobe ide4=noprobe ide5=noprobe"); +#endif add_preferred_console("hvc", 0, NULL); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/