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Re: [PATCH 3/3] MIPS: Use C0_KScratch (if present) to hold PGD pointer.

To: linux-mips@linux-mips.org, ralf@linux-mips.org
Subject: Re: [PATCH 3/3] MIPS: Use C0_KScratch (if present) to hold PGD pointer.
From: David Daney <ddaney@caviumnetworks.com>
Date: Tue, 21 Dec 2010 10:31:04 -0800
In-reply-to: <1292879828-20493-4-git-send-email-ddaney@caviumnetworks.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1292879828-20493-1-git-send-email-ddaney@caviumnetworks.com> <1292879828-20493-4-git-send-email-ddaney@caviumnetworks.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10
On 12/20/2010 01:17 PM, David Daney wrote:
Decide at runtime to use either Context or KScratch to hold the PGD
pointer.

Signed-off-by: David Daney<ddaney@caviumnetworks.com>
---
  arch/mips/include/asm/mmu_context.h |    8 +--
  arch/mips/kernel/traps.c            |    2 +-
  arch/mips/mm/tlbex.c                |  110 +++++++++++++++++++++++++++++++---
  3 files changed, 102 insertions(+), 18 deletions(-)

[...]
  /* Install CPU exception handler */
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 6184f0a..2e15aa6 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -26,8 +26,10 @@
  #include<linux/smp.h>
  #include<linux/string.h>
  #include<linux/init.h>
+#include<linux/cache.h>

-#include<asm/mmu_context.h>

Whoops, that include should stay, it is needed for ip32.

+#include<asm/cacheflush.h>
+#include<asm/pgtable.h>
  #include<asm/war.h>
  #include<asm/uasm.h>
[...]

I will send a revised patch.

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