fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / ia64 / kernel / process.c

diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 355d579..2447665 100644 (file)
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -8,9 +8,6 @@
  * 2005-10-07 Keith Owens <kaos@sgi.com>
  *           Add notify_die() hooks.
  */
-#define __KERNEL_SYSCALLS__    /* see <asm/unistd.h> */
-#include <linux/config.h>
-
 #include <linux/cpu.h>
 #include <linux/pm.h>
 #include <linux/elf.h>
@@ -108,7 +105,8 @@ show_regs (struct pt_regs *regs)
        unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
 
        print_modules();
-       printk("\nPid: %d, CPU %d, comm: %20s\n", current->pid, smp_processor_id(), current->comm);
+       printk("\nPid: %d[#%u], CPU %d, comm: %20s\n",
+               current->pid, current->xid, smp_processor_id(), current->comm);
        printk("psr : %016lx ifs : %016lx ip  : [<%016lx>]    %s\n",
               regs->cr_ipsr, regs->cr_ifs, ip, print_tainted());
        print_symbol("ip is at %s\n", ip);
@@ -271,10 +269,16 @@ cpu_idle (void)
 
        /* endless idle loop with no priority at all */
        while (1) {
-               if (can_do_pal_halt)
-                       clear_thread_flag(TIF_POLLING_NRFLAG);
-               else
-                       set_thread_flag(TIF_POLLING_NRFLAG);
+               if (can_do_pal_halt) {
+                       current_thread_info()->status &= ~TS_POLLING;
+                       /*
+                        * TS_POLLING-cleared state must be visible before we
+                        * test NEED_RESCHED:
+                        */
+                       smp_mb();
+               } else {
+                       current_thread_info()->status |= TS_POLLING;
+               }
 
                if (!need_resched()) {
                        void (*idle)(void);
@@ -691,7 +695,8 @@ kernel_thread (int (*fn)(void *), void *arg, unsigned long flags)
        regs.sw.ar_fpsr = regs.pt.ar_fpsr = ia64_getreg(_IA64_REG_AR_FPSR);
        regs.sw.ar_bspstore = (unsigned long) current + IA64_RBS_OFFSET;
        regs.sw.pr = (1 << PRED_KERNEL_STACK);
-       return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs.pt, 0, NULL, NULL);
+       return do_fork(flags | CLONE_VM | CLONE_UNTRACED | CLONE_KTHREAD,
+               0, &regs.pt, 0, NULL, NULL);
 }
 EXPORT_SYMBOL(kernel_thread);