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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-12 15:44:33 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-12 15:44:33 +0200 |
| commit | 0d62950125241a6e6db8e8f14271f098ec7a2da4 (patch) | |
| tree | 8cdd9e17f6a6ff4cb6166ad12a4d3ed1d45b2dc9 /arch/mips/kernel/process.c | |
| parent | b3bc2c5562f06ca34b30f61c5714e96490946c81 (diff) | |
| parent | 5e7184ae0dd49456387e8b1cdebc6b2c92fc6d51 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/atmel-mci-2.6.28
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index ce7684335a41..22fc19bbe87f 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(); @@ -145,19 +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); + +#ifdef CONFIG_MIPS_MT_SMTC + /* + * SMTC restores TCStatus after Status, and the CU bits + * are aliased there. + */ + 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); - - /* - * 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) |