linux-kernel - [PATCH 44/58] KVM: MMU: Remove unused large page marker

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Message-Id: <11820734811219-git-send-email-avi@qumranet.com>
Date:	Sun, 17 Jun 2007 12:44:25 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>
Subject: [PATCH 44/58] KVM: MMU: Remove unused large page marker

This has not been used for some time, as the same information is available
in the page header.

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 drivers/kvm/mmu.c         |    1 -
 drivers/kvm/paging_tmpl.h |    2 --
 2 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index 986d012..283df03 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -94,7 +94,6 @@ static int dbg = 1;
 #define PT_FIRST_AVAIL_BITS_SHIFT 9
 #define PT64_SECOND_AVAIL_BITS_SHIFT 52
 
-#define PT_SHADOW_PS_MARK (1ULL << PT_FIRST_AVAIL_BITS_SHIFT)
 #define PT_SHADOW_IO_MARK (1ULL << PT_FIRST_AVAIL_BITS_SHIFT)
 
 #define VALID_PAGE(x) ((x) != INVALID_PAGE)
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h
index adc1206..a7c5cb0 100644
--- a/drivers/kvm/paging_tmpl.h
+++ b/drivers/kvm/paging_tmpl.h
@@ -384,8 +384,6 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 	}
 
 	if (walker->level == PT_DIRECTORY_LEVEL) {
-		if (prev_shadow_ent)
-			*prev_shadow_ent |= PT_SHADOW_PS_MARK;
 		FNAME(set_pde)(vcpu, guest_ent, shadow_ent,
 			       walker->inherited_ar, user_fault, write_fault,
 			       ptwrite, walker, walker->gfn);
-- 
1.5.0.6

-
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