linux-kernel - [PATCH 20/31] ppc: Export tlb_44x

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Date:	Mon, 21 Apr 2008 13:29:46 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Hollis Blanchard <hollisb@...ibm.com>
Subject: [PATCH 20/31] ppc: Export tlb_44x_hwater for KVM

From: Hollis Blanchard <hollisb@...ibm.com>

PowerPC 440 KVM needs to know how many TLB entries are used for the host kernel
linear mapping (it does not modify these mappings when switching between guest
and host execution).

Signed-off-by: Hollis Blanchard <hollisb@...ibm.com>
Acked-by: Josh Boyer <jwboyer@...ux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@...ba.org>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 include/asm-powerpc/mmu-44x.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/asm-powerpc/mmu-44x.h b/include/asm-powerpc/mmu-44x.h
index 62772ae..b6953e8 100644
--- a/include/asm-powerpc/mmu-44x.h
+++ b/include/asm-powerpc/mmu-44x.h
@@ -53,6 +53,8 @@
 
 #ifndef __ASSEMBLY__
 
+extern unsigned int tlb_44x_hwater;
+
 typedef unsigned long long phys_addr_t;
 
 typedef struct {
-- 
1.5.5

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