From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 31 May 2007 13:03:45 +0000 (+0100)
Subject: [MIPS] SMTC: The MT ASE requires to initialize c0_pagemask and c0_wired.
X-Git-Tag: v2.6.22-rc5~49^2~4
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a05888d713dd915d3268000a479e38646aa423f;p=linux-2.6

[MIPS] SMTC: The MT ASE requires to initialize c0_pagemask and c0_wired.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 44f0a2c118..a7a17eb9bf 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1384,6 +1384,13 @@ void __init per_cpu_trap_init(void)
 		cpu_cache_init();
 		tlb_init();
 #ifdef CONFIG_MIPS_MT_SMTC
+	} else if (!secondaryTC) {
+		/*
+		 * First TC in non-boot VPE must do subset of tlb_init()
+		 * for MMU countrol registers.
+		 */
+		write_c0_pagemask(PM_DEFAULT_MASK);
+		write_c0_wired(0);
 	}
 #endif /* CONFIG_MIPS_MT_SMTC */
 }