linux-kernel - [PATCH v2 1/3] MIPS: R3000: Fix debug output for Virtual page number

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Message-Id: <1414674458-7583-2-git-send-email-isamu@leafytree.jp>
Date:	Thu, 30 Oct 2014 22:07:36 +0900
From:	Isamu Mogi <isamu@...fytree.jp>
To:	ralf@...ux-mips.org
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	isamu@...fytree.jp
Subject: [PATCH v2 1/3] MIPS: R3000: Fix debug output for Virtual page number

Virtual page number of R3000 in entryhi is 20 bit from MSB. But in
dump_tlb(), the bit mask to read it from entryhi is 19 bit (0xffffe000).
The patch fixes that to 0xfffff000.

Signed-off-by: Isamu Mogi <isamu@...fytree.jp>
---
 arch/mips/lib/r3k_dump_tlb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 91615c2..1ef365a 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -34,7 +34,7 @@ static void dump_tlb(int first, int last)
 		entrylo0 = read_c0_entrylo0();
 
 		/* Unused entries have a virtual address of KSEG0.  */
-		if ((entryhi & 0xffffe000) != 0x80000000
+		if ((entryhi & 0xfffff000) != 0x80000000
 		    && (entryhi & 0xfc0) == asid) {
 			/*
 			 * Only print entries in use
@@ -43,7 +43,7 @@ static void dump_tlb(int first, int last)
 
 			printk("va=%08lx asid=%08lx"
 			       "  [pa=%06lx n=%d d=%d v=%d g=%d]",
-			       (entryhi & 0xffffe000),
+			       (entryhi & 0xfffff000),
 			       entryhi & 0xfc0,
 			       entrylo0 & PAGE_MASK,
 			       (entrylo0 & (1 << 11)) ? 1 : 0,
-- 
1.9.1

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