powerpc: remove non-dependent load fsl_booke PTE_64BIT

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From: Linux Kernel Mailing List
Date: Wednesday, October 15, 2008 - 12:07 pm

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9bd54d...
Commit:     9bd54d185ab6c73f0cbd97b9f048394a3462193b
Parent:     35225802e2e7019392fbff9227662d456eef4e24
Author:     Milton Miller <miltonm@bga.com>
AuthorDate: Fri Oct 10 06:56:52 2008 -0500
Committer:  Kumar Gala <galak@kernel.crashing.org>
CommitDate: Mon Oct 13 11:09:59 2008 -0500

    powerpc: remove non-dependent load fsl_booke PTE_64BIT
    
    b38fd42ff46a4a31dced8533e8a6e549693500b6 added false dependencys
    to order the load of upper and lower halfs of the pte, but only
    adjusted whitespace instead of deleting the old load in the iside
    handler, letting the hardware see the non-dependent load.
    
    This patch removes the extra load.
    
    Signed-off-by: Milton Miller <miltonm@bga.com>
    Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/kernel/head_fsl_booke.S |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 18c0093..590304c 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -656,10 +656,6 @@ interrupt_base:
 
 	bne	2f			/* Bail if permission mismach */
 
-#ifdef CONFIG_PTE_64BIT
-	lwz	r13,0(r12)
-#endif
-
 	/* Jump to common TLB load point */
 	b	finish_tlb_load
 
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powerpc: remove non-dependent load fsl_booke PTE_64BIT, Linux Kernel Mailing ..., (Wed Oct 15, 12:07 pm)