summaryrefslogtreecommitdiffstats
path: root/arch/mips/kernel/process.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
commit7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch)
treed40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/mips/kernel/process.c
parent6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/mips/kernel/process.c')
-rw-r--r--arch/mips/kernel/process.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index b16facd9ea8..ca2e4026ad2 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -22,7 +22,6 @@
#include <linux/personality.h>
#include <linux/sys.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/kallsyms.h>
@@ -55,7 +54,7 @@ void __noreturn cpu_idle(void)
while (1) {
tick_nohz_stop_sched_tick(1);
while (!need_resched()) {
-#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
+#ifdef CONFIG_MIPS_MT_SMTC
extern void smtc_idle_loop_hook(void);
smtc_idle_loop_hook();
@@ -145,17 +144,18 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
*/
p->thread.cp0_status = read_c0_status() & ~(ST0_CU2|ST0_CU1);
childregs->cp0_status &= ~(ST0_CU2|ST0_CU1);
- clear_tsk_thread_flag(p, TIF_USEDFPU);
-#ifdef CONFIG_MIPS_MT_FPAFF
+#ifdef CONFIG_MIPS_MT_SMTC
/*
- * 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.
+ * SMTC restores TCStatus after Status, and the CU bits
+ * are aliased there.
*/
- p->thread.user_cpus_allowed = p->cpus_allowed;
+ childregs->cp0_tcstatus &= ~(ST0_CU2|ST0_CU1);
+#endif
+ clear_tsk_thread_flag(p, TIF_USEDFPU);
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+ clear_tsk_thread_flag(p, TIF_FPUBOUND);
#endif /* CONFIG_MIPS_MT_FPAFF */
if (clone_flags & CLONE_SETTLS)