Update of /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel
In directory sc8-pr-cvs1:/tmp/cvs-serv7720
Modified Files:
process.c
Log Message:
switch_to no longer needs to return the last task. Also drop call to
check_pgt_cache from idle loop, since 2.5.5 no longer maintains page
table lookaside lists.
Index: process.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel/process.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- process.c 29 Oct 2002 00:52:50 -0000 1.7
+++ process.c 1 Dec 2002 23:58:04 -0000 1.8
@@ -11,6 +11,7 @@
#include <linux/smp_lock.h>
#include <linux/fs.h>
+#include <linux/mm.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/current.h>
@@ -29,24 +30,20 @@
void cpu_idle(void)
{
/* endless idle loop with no priority at all */
- current->__nice = 20;
while(1) {
/* Although we are an idle CPU, we do not want to
get into the scheduler unnecessarily. */
if (need_resched()) {
schedule();
- check_pgt_cache();
}
}
}
-struct task_struct*
-vax_switch_to(struct task_struct* prev, struct task_struct* next)
+void switch_to(struct task_struct* prev, struct task_struct* next)
{
unsigned long pcbb; /* physical address of new pcb */
- struct task_struct *retval;
#ifdef VAX_PROCESS_DEBUG
printk("vax_switch_to: switching %08lx -> %08lx\n",
@@ -60,24 +57,20 @@
/* svpctx should deal with writing the stuff into *prev */
- asm(" movl %1, r11 \n
- movpsl -(sp) \n
+ asm(" movpsl -(sp) \n
pushab 1f \n
- mtpr %4,%5 \n
+ mtpr %3, %4 \n
svpctx \n
- mtpr %2, %3 \n
+ mtpr %1, %2 \n
ldpctx \n
rei \n
- 1: \n
- movl r11, %0"
- : "=g"(retval)
+ 1: "
+ : /* no outputs */
: "g"(prev),
"r"(pcbb), "g"(PR_PCBB),
"g"(31), "g"(PR_IPL)
- : "r11"
+ /* no clobbers */
);
-
- return retval;
}
/* This _must_ match the stack layout in effect at ret_from_syscall
|
