Enable CONFIG_GENERIC_TIME.
As a side-effect of this, the UML implementations of do_gettimeofday
and do_settimeofday go away, as these are provided by generic code.
set_time also goes away since it was only used by do_settimeofday.
Signed-off-by: Jeff Dike <[email protected]>
--
arch/um/Kconfig | 5 +++++
arch/um/kernel/ksyms.c | 3 ---
arch/um/kernel/time.c | 40 ----------------------------------------
3 files changed, 5 insertions(+), 43 deletions(-)
Index: linux-2.6.22/arch/um/Kconfig
===================================================================
--- linux-2.6.22.orig/arch/um/Kconfig 2007-09-12 14:53:25.000000000 -0400
+++ linux-2.6.22/arch/um/Kconfig 2007-09-12 14:58:02.000000000 -0400
@@ -55,6 +55,10 @@ config GENERIC_BUG
default y
depends on BUG
+config GENERIC_TIME
+ bool
+ default y
+
# Used in kernel/irq/manage.c and include/linux/irq.h
config IRQ_RELEASE_METHOD
bool
@@ -75,6 +79,7 @@ config STATIC_LINK
source "arch/um/Kconfig.arch"
source "mm/Kconfig"
+source "kernel/time/Kconfig"
config LD_SCRIPT_STATIC
bool
Index: linux-2.6.22/arch/um/kernel/ksyms.c
===================================================================
--- linux-2.6.22.orig/arch/um/kernel/ksyms.c 2007-09-12 14:53:25.000000000 -0400
+++ linux-2.6.22/arch/um/kernel/ksyms.c 2007-09-12 14:58:02.000000000 -0400
@@ -67,9 +67,6 @@ EXPORT_SYMBOL(run_helper);
EXPORT_SYMBOL(start_thread);
EXPORT_SYMBOL(dump_thread);
-EXPORT_SYMBOL(do_gettimeofday);
-EXPORT_SYMBOL(do_settimeofday);
-
#ifdef CONFIG_SMP
/* required for SMP */
Index: linux-2.6.22/arch/um/kernel/time.c
===================================================================
--- linux-2.6.22.orig/arch/um/kernel/time.c 2007-09-12 14:55:39.000000000 -0400
+++ linux-2.6.22/arch/um/kernel/time.c 2007-09-12 14:58:02.000000000 -0400
@@ -123,46 +123,6 @@ void time_init(void)
late_time_init = register_timer;
}
-void do_gettimeofday(struct timeval *tv)
-{
-#ifdef CONFIG_UML_REAL_TIME_CLOCK
- unsigned long long nsecs = get_time();
-#else
- unsigned long long nsecs = (unsigned long long) xtime.tv_sec * BILLION +
- xtime.tv_nsec;
-#endif
- tv->tv_sec = nsecs / NSEC_PER_SEC;
- /*
- * Careful about calculations here - this was originally done as
- * (nsecs - tv->tv_sec * NSEC_PER_SEC) / NSEC_PER_USEC
- * which gave bogus (> 1000000) values. Dunno why, suspect gcc
- * (4.0.0) miscompiled it, or there's a subtle 64/32-bit conversion
- * problem that I missed.
- */
- nsecs -= tv->tv_sec * NSEC_PER_SEC;
- tv->tv_usec = (unsigned long) nsecs / NSEC_PER_USEC;
-}
-
-static inline void set_time(unsigned long long nsecs)
-{
- unsigned long long now;
- unsigned long flags;
-
- spin_lock_irqsave(&timer_spinlock, flags);
- now = os_nsecs();
- local_offset = nsecs - now;
- spin_unlock_irqrestore(&timer_spinlock, flags);
-
- clock_was_set();
-}
-
-int do_settimeofday(struct timespec *tv)
-{
- set_time((unsigned long long) tv->tv_sec * NSEC_PER_SEC + tv->tv_nsec);
-
- return 0;
-}
-
void timer_handler(int sig, struct uml_pt_regs *regs)
{
if (current_thread->cpu == 0)