Title: [7910] trunk/arch/blackfin/mach-bf561/smp.c: bug [#5735] - Suggested by Mike, kernel panic when core B failed to boot.
- Revision
- 7910
- Author
- adamliyi
- Date
- 2009-12-02 05:38:05 -0500 (Wed, 02 Dec 2009)
Log Message
bug [#5735] - Suggested by Mike, kernel panic when core B failed to boot.
Modified Paths
Diff
Modified: trunk/arch/blackfin/mach-bf561/smp.c (7909 => 7910)
--- trunk/arch/blackfin/mach-bf561/smp.c 2009-12-02 10:20:59 UTC (rev 7909)
+++ trunk/arch/blackfin/mach-bf561/smp.c 2009-12-02 10:38:05 UTC (rev 7910)
@@ -80,7 +80,6 @@
int __cpuinit platform_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
unsigned long timeout;
- int ret;
/* CoreB already running?! */
BUG_ON((bfin_read_SICA_SYSCR() & COREB_SRAM_INIT) == 0);
@@ -102,17 +101,13 @@
barrier();
}
- ret = cpu_isset(cpu, cpu_callin_map) ? 0 : -ENOSYS;
- if (ret) {
- cpu_clear(cpu, cpu_present_map);
- printk(KERN_CRIT "CPU%u: processor failed to boot (%d)\n", cpu, ret);
- free_task(idle);
- } else
+ if (cpu_isset(cpu, cpu_callin_map)) {
cpu_set(cpu, cpu_online_map);
-
- /* release the lock and let coreb run */
- spin_unlock(&boot_lock);
- return ret;
+ /* release the lock and let coreb run */
+ spin_unlock(&boot_lock);
+ return 0;
+ } else
+ panic("CPU%u: processor failed to boot\n", cpu);
}
void __init platform_request_ipi(irq_handler_t handler)
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