From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 19 Jan 2007 14:35:14 +0000 (+0000)
Subject: [MIPS] SMTC: Fix TLB sizing bug for TLB of 64 >= entries
X-Git-Tag: v3.12-rc1~31874^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0b6218037b5cf50737a7dc0fc5464ea3f8781cd;p=kernel%2Fkernel-generic.git

[MIPS] SMTC: Fix TLB sizing bug for TLB of 64 >= entries

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

diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 44238ab..c37e83b 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -270,9 +270,12 @@ void smtc_configure_tlb(void)
 		 * of their initialization in smtc_cpu_setup().
 		 */
 
-		tlbsiz = tlbsiz & 0x3f;	/* MIPS32 limits TLB indices to 64 */
-		cpu_data[0].tlbsize = tlbsiz;
+		/* MIPS32 limits TLB indices to 64 */
+		if (tlbsiz > 64)
+			tlbsiz = 64;
+		cpu_data[0].tlbsize = current_cpu_data.tlbsize = tlbsiz;
 		smtc_status |= SMTC_TLB_SHARED;
+		local_flush_tlb_all();
 
 		printk("TLB of %d entry pairs shared by %d VPEs\n",
 			tlbsiz, vpes);