All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Yang, Sheng" <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: [RFC][PATCH 4/7] KVM: Export necessary function to modules()
Date: Fri, 1 Feb 2008 16:24:10 +0800	[thread overview]
Message-ID: <200802011624.11289.sheng.yang@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2855 bytes --]

From 1b7e6dcffe5845a05b7bfe42b52d680f17f34d5d Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Date: Fri, 1 Feb 2008 06:41:35 +0800
Subject: [PATCH] KVM: Export necessary function to modules()

The function load_pdptrs() is needed by VMX for EPT in PAE mode. The function
gfn_to_hva() is needed by VMX for supporting EPT swap.

Signed-off-by: Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 arch/x86/kvm/x86.c         |    1 +
 include/asm-x86/kvm_host.h |    1 +
 include/linux/kvm_host.h   |    1 +
 virt/kvm/kvm_main.c        |    3 ++-
 4 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8f94a0b..31cdf09 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -202,6 +202,7 @@ out:

 	return ret;
 }
+EXPORT_SYMBOL_GPL(load_pdptrs);

 static bool pdptrs_changed(struct kvm_vcpu *vcpu)
 {
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index c1d52af..b133317 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -425,6 +425,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int 
slot);
 void kvm_mmu_zap_all(struct kvm *kvm);
 unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
 void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int 
kvm_nr_mmu_pages);
+int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);

 enum emulation_result {
 	EMULATE_DONE,       /* no further processing */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a84c912..8c55beb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -182,6 +182,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int 
offset, int len);
 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);

 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8fc12dc..0e6d89d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -443,7 +443,7 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
 }
 EXPORT_SYMBOL_GPL(kvm_is_visible_gfn);

-static unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 {
 	struct kvm_memory_slot *slot;

@@ -453,6 +453,7 @@ static unsigned long gfn_to_hva(struct kvm *kvm, gfn_t 
gfn)
 		return bad_hva();
 	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
 }
+EXPORT_SYMBOL_GPL(gfn_to_hva);

 /*
  * Requires current->mm->mmap_sem to be held
--
debian.1.5.3.7.1-dirty


[-- Attachment #2: 0004-KVM-Export-necessary-function-to-modules.patch --]
[-- Type: text/x-diff, Size: 2855 bytes --]

From 1b7e6dcffe5845a05b7bfe42b52d680f17f34d5d Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Date: Fri, 1 Feb 2008 06:41:35 +0800
Subject: [PATCH] KVM: Export necessary function to modules()

The function load_pdptrs() is needed by VMX for EPT in PAE mode. The function
gfn_to_hva() is needed by VMX for supporting EPT swap.

Signed-off-by: Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 arch/x86/kvm/x86.c         |    1 +
 include/asm-x86/kvm_host.h |    1 +
 include/linux/kvm_host.h   |    1 +
 virt/kvm/kvm_main.c        |    3 ++-
 4 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8f94a0b..31cdf09 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -202,6 +202,7 @@ out:
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(load_pdptrs);
 
 static bool pdptrs_changed(struct kvm_vcpu *vcpu)
 {
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index c1d52af..b133317 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -425,6 +425,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot);
 void kvm_mmu_zap_all(struct kvm *kvm);
 unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
 void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);
+int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
 
 enum emulation_result {
 	EMULATE_DONE,       /* no further processing */
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a84c912..8c55beb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -182,6 +182,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
 
 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8fc12dc..0e6d89d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -443,7 +443,7 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
 }
 EXPORT_SYMBOL_GPL(kvm_is_visible_gfn);
 
-static unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 {
 	struct kvm_memory_slot *slot;
 
@@ -453,6 +453,7 @@ static unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 		return bad_hva();
 	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
 }
+EXPORT_SYMBOL_GPL(gfn_to_hva);
 
 /*
  * Requires current->mm->mmap_sem to be held
-- 
debian.1.5.3.7.1-dirty


[-- Attachment #3: Type: text/plain, Size: 228 bytes --]

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/

[-- Attachment #4: Type: text/plain, Size: 186 bytes --]

_______________________________________________
kvm-devel mailing list
kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
https://lists.sourceforge.net/lists/listinfo/kvm-devel

                 reply	other threads:[~2008-02-01  8:24 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200802011624.11289.sheng.yang@intel.com \
    --to=sheng.yang-ral2jqcrhueavxtiumwx3w@public.gmane.org \
    --cc=avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org \
    --cc=kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.