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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-14 22:24:51 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-14 22:24:51 +0100
commit7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (patch)
tree0248fb8f7a3e445cc3c744252abeecabb9205c05 /arch/mips/kernel/process.c
parentb6825d2df55aa7d7341c715b577b73a6a03dc944 (diff)
parentd5120ae72a066b18f98e0c45ce73262f58030851 (diff)
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Merge branch 's3c-move' into devel
Conflicts: arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/mips/kernel/process.c')
-rw-r--r--arch/mips/kernel/process.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index b16facd9ea8..22fc19bbe87 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -55,7 +55,7 @@ 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 +145,18 @@ 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)