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authorIngo Molnar <mingo@elte.hu>2008-10-10 19:30:08 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-10 19:30:08 +0200
commit3dd392a407d15250a501fa109cc1f93fee95ef85 (patch)
treec1faca3fa8bd0f7c8790b3e0887229b4a5a90e8b /arch/mips/kernel/process.c
parentb27a43c1e90582facad44de67d02bc9e9f900289 (diff)
parentd403a6484f0341bf0624d17ece46f24f741b6a92 (diff)
downloadop-kernel-dev-3dd392a407d15250a501fa109cc1f93fee95ef85.zip
op-kernel-dev-3dd392a407d15250a501fa109cc1f93fee95ef85.tar.gz
Merge branch 'linus' into x86/pat2
Conflicts: arch/x86/mm/init_64.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 b16facd..22fc19b 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)
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