Pull kmalloc into release branch

[pandora-kernel.git] / arch / mips / kernel / process.c

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index c66db5e..7ab67f7 100644 (file)
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -8,7 +8,6 @@
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  * Copyright (C) 2004 Thiemo Seufer
  */
-#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -41,6 +40,10 @@
 #include <asm/elf.h>
 #include <asm/isadep.h>
 #include <asm/inst.h>
+#ifdef CONFIG_MIPS_MT_SMTC
+#include <asm/mipsmtregs.h>
+extern void smtc_idle_loop_hook(void);
+#endif /* CONFIG_MIPS_MT_SMTC */
 
 /*
  * The idle thread. There's no useful work to be done, so just try to conserve
@@ -51,9 +54,13 @@ ATTRIB_NORET void cpu_idle(void)
 {
        /* endless idle loop with no priority at all */
        while (1) {
-               while (!need_resched())
+               while (!need_resched()) {
+#ifdef CONFIG_MIPS_MT_SMTC
+                       smtc_idle_loop_hook();
+#endif /* CONFIG_MIPS_MT_SMTC */
                        if (cpu_wait)
                                (*cpu_wait)();
+               }
                preempt_enable_no_resched();
                schedule();
                preempt_disable();
@@ -177,6 +184,17 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
        childregs->cp0_status &= ~(ST0_CU2|ST0_CU1);
        clear_tsk_thread_flag(p, TIF_USEDFPU);
 
+#ifdef CONFIG_MIPS_MT_FPAFF
+       /*
+        * FPU affinity support is cleaner if we track the
+        * user-visible CPU affinity from the very beginning.
+        * The generic cpus_allowed mask will already have
+        * been copied from the parent before copy_thread
+        * is invoked.
+        */
+       p->thread.user_cpus_allowed = p->cpus_allowed;
+#endif /* CONFIG_MIPS_MT_FPAFF */
+
        if (clone_flags & CLONE_SETTLS)
                ti->tp_value = regs->regs[7];