diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
| commit | 90ecc248e200fee448001248dde0ca540dd3ef64 (patch) | |
| tree | a3fe89494ce63b4835f0f9cf5c45e74cde88252b /kernel/sys.c | |
| parent | 1513ff9b7899ab588401c89db0e99903dbf5f886 (diff) | |
Import of Linux/MIPS 1.1.68
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 1ce3ee387..706e3d66e 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -42,15 +42,26 @@ asmlinkage int sys_idle(void) if (current->pid != 0) return -EPERM; +#ifdef __i386__ /* Map out the low memory: it's no longer needed */ for (i = 0 ; i < 768 ; i++) swapper_pg_dir[i] = 0; +#endif /* endless idle loop with no priority at all */ current->counter = -100; for (;;) { +#if defined (__i386__) if (hlt_works_ok && !need_resched) __asm__("hlt"); +#elif defined (__mips__) + /* + * R4[26]00 have wait, the R4000 doesn't. + * Dunno about the R4400... + */ + if (!need_resched) + __asm__("wait"); +#endif schedule(); } } |