From: Benjamin Krill <ben@codiert.org>
To: benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org
Cc: ralphbel@us.ibm.com
Subject: [PATCH] Fix physical address range check comparision and force address to be virtual address
Date: Thu, 27 Feb 2014 15:49:21 +0100 [thread overview]
Message-ID: <20140227144915.GA27691@codiert.org> (raw)
The previous code added wrong TLBs and causes machine check errors.
Signed-off-by: Ralph E. Bellofatto <ralphbel@us.ibm.com>
Signed-off-by: Benjamin Krill <ben@codiert.org>
---
arch/powerpc/mm/tlb_low_64e.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index c95eb32..6bf5050 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -1091,7 +1091,8 @@ tlb_load_linear:
ld r11,PACATOC(r13)
ld r11,linear_map_top@got(r11)
ld r10,0(r11)
- cmpld cr0,r10,r16
+ tovirt(10,10)
+ cmpld cr0,r16,r10
bge tlb_load_linear_fault
/* MAS1 need whole new setup. */
--
1.8.5.3
reply other threads:[~2014-02-27 15:16 UTC|newest]
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