[PATCH v4 1/4] KVM: arm64: Include kvm_mmu.h from vgic.h

Gavin Shan
2023-01-27T23:53:32Z

We need a unified helper in 'kvm/vgic/vgic.h' to write guest memory. In
the helper, the check of no-running-vcpu context for dirty ring will be
applied. kvm_write_guest_lock(), defined in 'include/asm/kvm_mmu.h', is
going to be dereferenced by the unified helper.

Include 'include/asm/kvm_mmu.h' to 'kvm/vgic/vgic.h' to avoid including
the former header file when the later one is needed. With the change,
the duplicate inclusions of 'include/asm/kvm_mmu.h' are removed.

No functional change intended.

Suggested-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Gavin Shan <gshan@redhat.com>
---
arch/arm64/kvm/vgic/vgic-debug.c | 1 -
arch/arm64/kvm/vgic/vgic-init.c | 1 -
arch/arm64/kvm/vgic/vgic-its.c | 1 -
arch/arm64/kvm/vgic/vgic-kvm-device.c | 1 -
arch/arm64/kvm/vgic/vgic-mmio-v3.c | 1 -
arch/arm64/kvm/vgic/vgic-v2.c | 1 -
arch/arm64/kvm/vgic/vgic-v3.c | 1 -
arch/arm64/kvm/vgic/vgic.h | 1 +
8 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/arch/arm64/kvm/vgic/vgic-debug.c b/arch/arm64/kvm/vgic/vgic-debug.c
index 78cde687383c..69201c2dfc6c 100644
--- a/arch/arm64/kvm/vgic/vgic-debug.c
+++ b/arch/arm64/kvm/vgic/vgic-debug.c
@@ -10,7 +10,6 @@
#include <linux/kvm_host.h>
#include <linux/seq_file.h>
#include <kvm/arm_vgic.h>
-#include <asm/kvm_mmu.h>
#include "vgic.h"

/*
diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index f6d4f4052555..de389a5bec45 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -9,7 +9,6 @@
#include <linux/kvm_host.h>
#include <kvm/arm_vgic.h>
#include <asm/kvm_emulate.h>
-#include <asm/kvm_mmu.h>
#include "vgic.h"

/*
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index 94a666dd1443..ad4bb69ab83e 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -18,7 +18,6 @@

#include <asm/kvm_emulate.h>
#include <asm/kvm_arm.h>
-#include <asm/kvm_mmu.h>

#include "vgic.h"
#include "vgic-mmio.h"
diff --git a/arch/arm64/kvm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c
index edeac2380591..552668a91bd9 100644
--- a/arch/arm64/kvm/vgic/vgic-kvm-device.c
+++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c
@@ -8,7 +8,6 @@
#include <linux/kvm_host.h>
#include <kvm/arm_vgic.h>
#include <linux/uaccess.h>
-#include <asm/kvm_mmu.h>
#include <asm/cputype.h>
#include "vgic.h"

diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
index 91201f743033..8ba04f4fa63d 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
@@ -13,7 +13,6 @@

#include <asm/kvm_emulate.h>
#include <asm/kvm_arm.h>
-#include <asm/kvm_mmu.h>

#include "vgic.h"
#include "vgic-mmio.h"
diff --git a/arch/arm64/kvm/vgic/vgic-v2.c b/arch/arm64/kvm/vgic/vgic-v2.c
index 645648349c99..d8604fdfdfcd 100644
--- a/arch/arm64/kvm/vgic/vgic-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-v2.c
@@ -7,7 +7,6 @@
#include <linux/kvm.h>
#include <linux/kvm_host.h>
#include <kvm/arm_vgic.h>
-#include <asm/kvm_mmu.h>

#include "vgic.h"

diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 2074521d4a8c..5dfbd03e5e1a 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -7,7 +7,6 @@
#include <linux/kvm_host.h>
#include <kvm/arm_vgic.h>
#include <asm/kvm_hyp.h>
-#include <asm/kvm_mmu.h>
#include <asm/kvm_asm.h>

#include "vgic.h"
diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h
index 0c8da72953f0..056425e3a490 100644
--- a/arch/arm64/kvm/vgic/vgic.h
+++ b/arch/arm64/kvm/vgic/vgic.h
@@ -6,6 +6,7 @@
#define __KVM_ARM_VGIC_NEW_H__

#include <linux/irqchip/arm-gic-common.h>
+#include <asm/kvm_mmu.h>

#define PRODUCT_ID_KVM 0x4b /* ASCII code K */
#define IMPLEMENTER_ARM 0x43b
--
2.23.0