[ 3.5.y.z extended stable ] Patch "sparc64: Fix off by one in trampoline TLB mapping" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Fri Oct 11 10:24:27 UTC 2013


This is a note to let you know that I have just added a patch titled

    sparc64: Fix off by one in trampoline TLB mapping

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From cf0f448ee365349c45770b3710cd71e82e5a99b2 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem at davemloft.net>
Date: Thu, 22 Aug 2013 16:38:46 -0700
Subject: [PATCH] sparc64: Fix off by one in trampoline TLB mapping
 installation loop.

commit 63d499662aeec1864ec36d042aca8184ea6a938e upstream.

Reported-by: Kirill Tkhai <tkhai at yandex.ru>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 arch/sparc/kernel/trampoline_64.S | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S
index da1b781..8fa84a3 100644
--- a/arch/sparc/kernel/trampoline_64.S
+++ b/arch/sparc/kernel/trampoline_64.S
@@ -131,7 +131,6 @@ startup_continue:
 	clr		%l5
 	sethi		%hi(num_kernel_image_mappings), %l6
 	lduw		[%l6 + %lo(num_kernel_image_mappings)], %l6
-	add		%l6, 1, %l6

 	mov		15, %l7
 	BRANCH_IF_ANY_CHEETAH(g1,g5,2f)
@@ -224,7 +223,6 @@ niagara_lock_tlb:
 	clr		%l5
 	sethi		%hi(num_kernel_image_mappings), %l6
 	lduw		[%l6 + %lo(num_kernel_image_mappings)], %l6
-	add		%l6, 1, %l6

 1:
 	mov		HV_FAST_MMU_MAP_PERM_ADDR, %o5
--
1.8.3.2





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