| /branches/dd/kernel/arch/ia32/include/atomic.h |
|---|
| 114,7 → 114,9 |
| preemption_disable(); |
| asm volatile ( |
| "0:\n" |
| #ifdef CONFIG_HT |
| "pause\n" /* Pentium 4's HT love this instruction */ |
| #endif |
| "mov %[count], %[tmp]\n" |
| "testl %[tmp], %[tmp]\n" |
| "jnz 0b\n" /* lightweight looping on locked spinlock */ |