X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fcris%2Fkernel%2Fprocess.c;h=123451c44154f5961ae740e41c5117670e1fb8d1;hb=refs%2Fheads%2Fvserver;hp=cbb0bad22607d9aded5ab6e50fa1b664e3489f3a;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index cbb0bad22..123451c44 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -1,4 +1,4 @@
-/* $Id: process.c,v 1.14 2003/06/10 10:21:12 johana Exp $
+/* $Id: process.c,v 1.21 2005/03/04 08:16:17 starvik Exp $
  * 
  *  linux/arch/cris/kernel/process.c
  *
@@ -8,9 +8,30 @@
  *  Authors:   Bjorn Wesen (bjornw@axis.com)
  *
  *  $Log: process.c,v $
+ *  Revision 1.21  2005/03/04 08:16:17  starvik
+ *  Merge of Linux 2.6.11.
+ *
+ *  Revision 1.20  2005/01/18 05:57:22  starvik
+ *  Renamed hlt_counter to cris_hlt_counter and made it global.
+ *
+ *  Revision 1.19  2004/10/19 13:07:43  starvik
+ *  Merge of Linux 2.6.9
+ *
+ *  Revision 1.18  2004/08/16 12:37:23  starvik
+ *  Merge of Linux 2.6.8
+ *
+ *  Revision 1.17  2004/04/05 13:53:48  starvik
+ *  Merge of Linux 2.6.5
+ *
+ *  Revision 1.16  2003/10/27 08:04:33  starvik
+ *  Merge of Linux 2.6.0-test9
+ *
+ *  Revision 1.15  2003/09/11 07:29:52  starvik
+ *  Merge of Linux 2.6.0-test5
+ *
  *  Revision 1.14  2003/06/10 10:21:12  johana
  *  Moved thread_saved_pc() from arch/cris/kernel/process.c to
- *  subarch specific process.c. 
+ *  subarch specific process.c. arch-v32 has an erp, no irp.
  *
  *  Revision 1.13  2003/04/09 05:20:47  starvik
  *  Merge of Linux 2.5.67
@@ -94,6 +115,8 @@
 #include <asm/atomic.h>
 #include <asm/pgtable.h>
 #include <asm/uaccess.h>
+#include <asm/irq.h>
+#include <asm/system.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/fs_struct.h>
@@ -102,6 +125,8 @@
 #include <linux/fs.h>
 #include <linux/user.h>
 #include <linux/elfcore.h>
+#include <linux/mqueue.h>
+#include <linux/reboot.h>
 
 //#define DEBUG
 
@@ -149,18 +174,18 @@ EXPORT_SYMBOL(init_task);
  * region by enable_hlt/disable_hlt.
  */
 
-static int hlt_counter=0;
+int cris_hlt_counter=0;
 
 void disable_hlt(void)
 {
-	hlt_counter++;
+	cris_hlt_counter++;
 }
 
 EXPORT_SYMBOL(disable_hlt);
 
 void enable_hlt(void)
 {
-	hlt_counter--;
+	cris_hlt_counter--;
 }
 
 EXPORT_SYMBOL(enable_hlt);
@@ -170,8 +195,6 @@ EXPORT_SYMBOL(enable_hlt);
  */
 void (*pm_idle)(void);
 
-extern void default_idle(void);
-
 /*
  * The idle thread. There's no useful work to be
  * done, so just try to conserve power and have a
@@ -182,24 +205,31 @@ void cpu_idle (void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
-		void (*idle)(void) = pm_idle;
-		if (!idle)
-			idle = default_idle;
-		while (!need_resched())
+		while (!need_resched()) {
+			void (*idle)(void);
+			/*
+			 * Mark this as an RCU critical section so that
+			 * synchronize_kernel() in the unload path waits
+			 * for our completion.
+			 */
+			idle = pm_idle;
+			if (!idle)
+				idle = default_idle;
 			idle();
+		}
+		preempt_enable_no_resched();
 		schedule();
+		preempt_disable();
 	}
 }
 
 void hard_reset_now (void);
 
-void machine_restart(void)
+void machine_restart(char *cmd)
 {
 	hard_reset_now();
 }
 
-EXPORT_SYMBOL(machine_restart);
-
 /*
  * Similar to machine_power_off, but don't shut off power.  Add code
  * here to freeze the system for e.g. post-mortem debug purpose when
@@ -210,16 +240,12 @@ void machine_halt(void)
 {
 }
 
-EXPORT_SYMBOL(machine_halt);
-
 /* If or when software power-off is implemented, add code here.  */
 
 void machine_power_off(void)
 {
 }
 
-EXPORT_SYMBOL(machine_power_off);
-
 /*
  * When a process does an "exec", machine state like FPU and debug
  * registers need to be reset.  This is a hook function for that.
@@ -230,34 +256,6 @@ void flush_thread(void)
 {
 }
 
-/*
- * fill in the user structure for a core dump..
- */
-void dump_thread(struct pt_regs * regs, struct user * dump)
-{
-#if 0
-	int i;
-
-	/* changed the size calculations - should hopefully work better. lbt */
-	dump->magic = CMAGIC;
-	dump->start_code = 0;
-	dump->start_stack = regs->esp & ~(PAGE_SIZE - 1);
-	dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
-	dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
-	dump->u_dsize -= dump->u_tsize;
-	dump->u_ssize = 0;
-	for (i = 0; i < 8; i++)
-		dump->u_debugreg[i] = current->debugreg[i];  
-
-	if (dump->start_stack < TASK_SIZE)
-		dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
-
-	dump->regs = *regs;
-
-	dump->u_fpvalid = dump_fpu (regs, &dump->i387);
-#endif 
-}
-
 /* Fill in the fpu structure for a core dump. */
 int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 {