---

yaml --- r: 253372 b: refs/heads/master c: 10f0d07 h: refs/heads/master v: v3
git-mirror · Jun 9, 2011 · 179b0d0 · 179b0d0
1 parent 7868345
commit 179b0d0
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7d82a0a3cd547494294baee7f9764ea44bead73
+refs/heads/master: 10f0d07c51516bd24b040016c6d4304eef05f115
diff --git a/trunk/arch/sparc/kernel/leon_kernel.c b/trunk/arch/sparc/kernel/leon_kernel.c
@@ -376,6 +376,22 @@ void __init leon_init_timers(irq_handler_t counter_fn)
 		prom_halt();
 	}
 
+#ifdef CONFIG_SMP
+	{
+		unsigned long flags;
+
+		/*
+		 * In SMP, sun4m adds a IPI handler to IRQ trap handler that
+		 * LEON never must take, sun4d and LEON overwrites the branch
+		 * with a NOP.
+		 */
+		local_irq_save(flags);
+		patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */
+		local_flush_cache_all();
+		local_irq_restore(flags);
+	}
+#endif
+
 	LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl,
 			      LEON3_GPTIMER_EN |
 			      LEON3_GPTIMER_RL |