diff options
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 17edc69cf5c1..ca2e4026ad20 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -54,7 +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(); @@ -144,17 +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) |