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-rw-r--r--init/Kconfig19
-rw-r--r--init/calibrate.c17
-rw-r--r--init/main.c1
3 files changed, 26 insertions, 11 deletions
diff --git a/init/Kconfig b/init/Kconfig
index ebafac4231ee..e20aa3112240 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -19,7 +19,6 @@ config DEFCONFIG_LIST
config CONSTRUCTORS
bool
depends on !UML
- default y
config HAVE_IRQ_WORK
bool
@@ -204,6 +203,15 @@ config KERNEL_LZO
endchoice
+config DEFAULT_HOSTNAME
+ string "Default hostname"
+ default "(none)"
+ help
+ This option determines the default system hostname before userspace
+ calls sethostname(2). The kernel traditionally uses "(none)" here,
+ but you may wish to use a different default here to make a minimal
+ system more usable with less configuration.
+
config SWAP
bool "Support for paging of anonymous memory (swap)"
depends on MMU && BLOCK
@@ -909,6 +917,8 @@ config ANON_INODES
menuconfig EXPERT
bool "Configure standard kernel features (expert users)"
+ # Unhide debug options, to make the on-by-default options visible
+ select DEBUG_KERNEL
help
This option allows certain base kernel options and settings
to be disabled or tweaked. This is for specialized
@@ -999,14 +1009,19 @@ config ELF_CORE
help
Enable support for generating core dumps. Disabling saves about 4k.
+
config PCSPKR_PLATFORM
bool "Enable PC-Speaker support" if EXPERT
- depends on ALPHA || X86 || MIPS || PPC_PREP || PPC_CHRP || PPC_PSERIES
+ depends on HAVE_PCSPKR_PLATFORM
+ select I8253_LOCK
default y
help
This option allows to disable the internal PC-Speaker
support, saving some memory.
+config HAVE_PCSPKR_PLATFORM
+ bool
+
config BASE_FULL
default y
bool "Enable full-sized data structures for core" if EXPERT
diff --git a/init/calibrate.c b/init/calibrate.c
index cfd7000c9d71..aae2f40fea4c 100644
--- a/init/calibrate.c
+++ b/init/calibrate.c
@@ -93,9 +93,6 @@ static unsigned long __cpuinit calibrate_delay_direct(void)
* If the upper limit and lower limit of the timer_rate is
* >= 12.5% apart, redo calibration.
*/
- printk(KERN_DEBUG "calibrate_delay_direct() timer_rate_max=%lu "
- "timer_rate_min=%lu pre_start=%lu pre_end=%lu\n",
- timer_rate_max, timer_rate_min, pre_start, pre_end);
if (start >= post_end)
printk(KERN_NOTICE "calibrate_delay_direct() ignoring "
"timer_rate as we had a TSC wrap around"
@@ -248,30 +245,32 @@ recalibrate:
void __cpuinit calibrate_delay(void)
{
+ unsigned long lpj;
static bool printed;
if (preset_lpj) {
- loops_per_jiffy = preset_lpj;
+ lpj = preset_lpj;
if (!printed)
pr_info("Calibrating delay loop (skipped) "
"preset value.. ");
} else if ((!printed) && lpj_fine) {
- loops_per_jiffy = lpj_fine;
+ lpj = lpj_fine;
pr_info("Calibrating delay loop (skipped), "
"value calculated using timer frequency.. ");
- } else if ((loops_per_jiffy = calibrate_delay_direct()) != 0) {
+ } else if ((lpj = calibrate_delay_direct()) != 0) {
if (!printed)
pr_info("Calibrating delay using timer "
"specific routine.. ");
} else {
if (!printed)
pr_info("Calibrating delay loop... ");
- loops_per_jiffy = calibrate_delay_converge();
+ lpj = calibrate_delay_converge();
}
if (!printed)
pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
- loops_per_jiffy/(500000/HZ),
- (loops_per_jiffy/(5000/HZ)) % 100, loops_per_jiffy);
+ lpj/(500000/HZ),
+ (lpj/(5000/HZ)) % 100, lpj);
+ loops_per_jiffy = lpj;
printed = true;
}
diff --git a/init/main.c b/init/main.c
index cafba67c13bf..d7211faed2ad 100644
--- a/init/main.c
+++ b/init/main.c
@@ -542,6 +542,7 @@ asmlinkage void __init start_kernel(void)
timekeeping_init();
time_init();
profile_init();
+ call_function_init();
if (!irqs_disabled())
printk(KERN_CRIT "start_kernel(): bug: interrupts were "
"enabled early\n");