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[PATCH] uml: time initialization tidying

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user_time_init_skas and user_time_init_tt were essentially the same.  So, this
merges them, deleting the mode-specific functions and declarations.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2005-06-25 14:55:24 -07:00 committed by Linus Torvalds
parent 026549d284
commit fc47a0d18a
9 changed files with 20 additions and 83 deletions
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2
arch/um/include/time_user.h
View File

@ -8,11 +8,11 @@
extern void timer(void);
extern void switch_timers(int to_real);
extern void set_interval(int timer_type);
extern void idle_sleep(int secs);
extern void enable_timer(void);
extern void disable_timer(void);
extern unsigned long time_lock(void);
extern void time_unlock(unsigned long);
extern void user_time_init(void);
#endif

4
arch/um/kernel/skas/Makefile
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@ -4,10 +4,10 @@
#
obj-y := exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \
syscall_kern.o syscall_user.o time.o tlb.o trap_user.o uaccess.o \
syscall_kern.o syscall_user.o tlb.o trap_user.o uaccess.o \
subdir- := util
USER_OBJS := process.o time.o
USER_OBJS := process.o
include arch/um/scripts/Makefile.rules

1
arch/um/kernel/skas/include/mode-skas.h
View File

@ -13,7 +13,6 @@ extern unsigned long exec_fp_regs[];
extern unsigned long exec_fpx_regs[];
extern int have_fpx_regs;
extern void user_time_init_skas(void);
extern void sig_handler_common_skas(int sig, void *sc_ptr);
extern void halt_skas(void);
extern void reboot_skas(void);

30
arch/um/kernel/skas/time.c
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@ -1,30 +0,0 @@
/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#include <sys/signal.h>
#include <sys/time.h>
#include "time_user.h"
#include "process.h"
#include "user.h"
void user_time_init_skas(void)
{
if(signal(SIGALRM, (__sighandler_t) alarm_handler) == SIG_ERR)
panic("Couldn't set SIGALRM handler");
if(signal(SIGVTALRM, (__sighandler_t) alarm_handler) == SIG_ERR)
panic("Couldn't set SIGVTALRM handler");
set_interval(ITIMER_VIRTUAL);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/

31
arch/um/kernel/time.c
View File

@ -33,7 +33,7 @@ void timer(void)
timeradd(&xtime, &local_offset, &xtime);
}
void set_interval(int timer_type)
static void set_interval(int timer_type)
{
int usec = 1000000/hz();
struct itimerval interval = ((struct itimerval) { { 0, usec },
@ -45,12 +45,7 @@ void set_interval(int timer_type)
void enable_timer(void)
{
int usec = 1000000/hz();
struct itimerval enable = ((struct itimerval) { { 0, usec },
{ 0, usec }});
if(setitimer(ITIMER_VIRTUAL, &enable, NULL))
printk("enable_timer - setitimer failed, errno = %d\n",
errno);
set_interval(ITIMER_VIRTUAL);
}
void disable_timer(void)
@ -155,13 +150,15 @@ void idle_sleep(int secs)
nanosleep(&ts, NULL);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/
/* XXX This partly duplicates init_irq_signals */
void user_time_init(void)
{
set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
SIGALRM, SIGUSR2, -1);
set_handler(SIGALRM, (__sighandler_t) alarm_handler,
SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
SIGVTALRM, SIGUSR2, -1);
set_interval(ITIMER_VIRTUAL);
}

2
arch/um/kernel/time_kern.c
View File

@ -162,7 +162,7 @@ int __init timer_init(void)
{
int err;
CHOOSE_MODE(user_time_init_tt(), user_time_init_skas());
user_time_init();
err = request_irq(TIMER_IRQ, um_timer, SA_INTERRUPT, "timer", NULL);
if(err != 0)
printk(KERN_ERR "timer_init : request_irq failed - "

4
arch/um/kernel/tt/Makefile
View File

@ -4,11 +4,11 @@
#
obj-y = exec_kern.o exec_user.o gdb.o ksyms.o mem.o mem_user.o process_kern.o \
syscall_kern.o syscall_user.o time.o tlb.o tracer.o trap_user.o \
syscall_kern.o syscall_user.o tlb.o tracer.o trap_user.o \
uaccess.o uaccess_user.o
obj-$(CONFIG_PT_PROXY) += gdb_kern.o ptproxy/
USER_OBJS := gdb.o time.o tracer.o
USER_OBJS := gdb.o tracer.o
include arch/um/scripts/Makefile.rules

1
arch/um/kernel/tt/include/mode-tt.h
View File

@ -13,7 +13,6 @@ enum { OP_NONE, OP_EXEC, OP_FORK, OP_TRACE_ON, OP_REBOOT, OP_HALT, OP_CB };
extern int tracing_pid;
extern int tracer(int (*init_proc)(void *), void *sp);
extern void user_time_init_tt(void);
extern void sig_handler_common_tt(int sig, void *sc);
extern void syscall_handler_tt(int sig, union uml_pt_regs *regs);
extern void reboot_tt(void);

28
arch/um/kernel/tt/time.c
View File

@ -1,28 +0,0 @@
/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#include <signal.h>
#include <sys/time.h>
#include <time_user.h>
#include "process.h"
#include "user.h"
void user_time_init_tt(void)
{
if(signal(SIGVTALRM, (__sighandler_t) alarm_handler) == SIG_ERR)
panic("Couldn't set SIGVTALRM handler");
set_interval(ITIMER_VIRTUAL);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/