[PATCH 09 of 27] Move kvm_create_kernel_phys_mem to kvmctl-x86.c

[Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

# HG changeset patch
# User Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
# Date 1193849564 18000
# Node ID 1d255ea8e5ed989683dd75cec1324791a12e14a2
# Parent  179d9b30ab973e6676dcd0b6fa08e9635969d44c
Move kvm_create_kernel_phys_mem to kvmctl-x86.c

This patch moves kvm_create_kernel_phys_mem to x86 as this is
the only arch that will be allocating memory for guest in the
kernel (at least for older kvm versions).

Signed-off-by: Jerone Young <jeroney-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

diff --git a/libkvm/libkvm-x86.c b/libkvm/libkvm-x86.c
--- a/libkvm/libkvm-x86.c
+++ b/libkvm/libkvm-x86.c
@@ -268,3 +268,36 @@ int arch_kvm_create(kvm_context_t kvm, u
 
 	return 0;
 }
+
+void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
+                      unsigned long len, int log, int writable)
+{
+	int r;
+	int prot = PROT_READ;
+	void *ptr;
+	struct kvm_memory_region memory = {
+		.memory_size = len,
+		.guest_phys_addr = phys_start,
+		.flags = log ? KVM_MEM_LOG_DIRTY_PAGES : 0,
+	};
+
+	memory.slot = get_free_slot(kvm);
+	r = ioctl(kvm->vm_fd, KVM_SET_MEMORY_REGION, &memory);
+	if (r == -1) {
+		fprintf(stderr, "create_kernel_phys_mem: %s", strerror(errno));
+ 		return 0;
+	}
+	register_slot(memory.slot, memory.guest_phys_addr);
+	kvm_memory_region_save_params(kvm, &memory);
+
+	if (writable)
+		prot |= PROT_WRITE;
+
+	ptr = mmap(NULL, len, prot, MAP_SHARED, kvm->vm_fd, phys_start);
+	if (ptr == MAP_FAILED) {
+		fprintf(stderr, "create_kernel_phys_mem: %s", strerror(errno));
+		return 0;
+	}
+
+	return ptr;
+}
diff --git a/libkvm/libkvm-x86.h b/libkvm/libkvm-x86.h
--- a/libkvm/libkvm-x86.h
+++ b/libkvm/libkvm-x86.h
@@ -23,4 +23,7 @@ int arch_kvm_create(kvm_context_t kvm, u
 int arch_kvm_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
 		    void **vm_mem);
 
+void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
+                      unsigned long len, int log, int writable);
+
 #endif
diff --git a/libkvm/libkvm.c b/libkvm/libkvm.c
--- a/libkvm/libkvm.c
+++ b/libkvm/libkvm.c
@@ -366,39 +366,6 @@ int kvm_create(kvm_context_t kvm, unsign
 		return r;
 
 	return 0;
-}
-
-void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
-			unsigned long len, int log, int writable)
-{
-	int r;
-	int prot = PROT_READ;
-	void *ptr;
-	struct kvm_memory_region memory = {
-		.memory_size = len,
-		.guest_phys_addr = phys_start,
-		.flags = log ? KVM_MEM_LOG_DIRTY_PAGES : 0,
-	};
-
-	memory.slot = get_free_slot(kvm);
-	r = ioctl(kvm->vm_fd, KVM_SET_MEMORY_REGION, &memory);
-	if (r == -1) {
-		fprintf(stderr, "create_kernel_phys_mem: %s", strerror(errno));
-		return 0;
-	}
-	register_slot(memory.slot, memory.guest_phys_addr);
-	kvm_memory_region_save_params(kvm, &memory);
-
-	if (writable)
-		prot |= PROT_WRITE;
-
-	ptr = mmap(NULL, len, prot, MAP_SHARED, kvm->vm_fd, phys_start);
-	if (ptr == MAP_FAILED) {
-		fprintf(stderr, "create_kernel_phys_mem: %s", strerror(errno));
-		return 0;
-	}
-
-	return ptr;
 }
 
 #ifdef KVM_CAP_USER_MEMORY

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