---

yaml --- r: 217855 b: refs/heads/master c: 2f7acb2 h: refs/heads/master i: 217853: a165417 217851: 797fba6 217847: d319bb8 217839: 5217f24 217823: c0f0bc1 217791: 0b2e44e 217727: 22b7726 217599: 478c209 v: v3
git-mirror · Oct 22, 2010 · be1545d · be1545d
1 parent 3943e7c
commit be1545d
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Showing 4 changed files with 8 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 698bb8d14a5b577b6841acaccdf5095d3b7c7389
+refs/heads/master: 2f7acb208523a3bf5f1830f01c29f7feda045169
diff --git a/trunk/arch/x86/xen/mmu.c b/trunk/arch/x86/xen/mmu.c
@@ -195,7 +195,7 @@ DEFINE_PER_CPU(unsigned long, xen_current_cr3);	 /* actual vcpu cr3 */
  * 512 and 1024 entries respectively. 
  */
 
-static unsigned long max_p2m_pfn __read_mostly;
+unsigned long xen_max_p2m_pfn __read_mostly;
 
 #define P2M_PER_PAGE		(PAGE_SIZE / sizeof(unsigned long))
 #define P2M_MID_PER_PAGE	(PAGE_SIZE / sizeof(unsigned long *))
@@ -293,7 +293,7 @@ void xen_build_mfn_list_list(void)
 		p2m_top_mfn_init(p2m_top_mfn);
 	}
 
-	for (pfn = 0; pfn < max_p2m_pfn; pfn += P2M_PER_PAGE) {
+	for (pfn = 0; pfn < xen_max_p2m_pfn; pfn += P2M_PER_PAGE) {
 		unsigned topidx = p2m_top_index(pfn);
 		unsigned mididx = p2m_mid_index(pfn);
 		unsigned long **mid;
@@ -335,7 +335,7 @@ void xen_setup_mfn_list_list(void)
 
 	HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
 		virt_to_mfn(p2m_top_mfn);
-	HYPERVISOR_shared_info->arch.max_pfn = max_p2m_pfn;
+	HYPERVISOR_shared_info->arch.max_pfn = xen_max_p2m_pfn;
 }
 
 /* Set up p2m_top to point to the domain-builder provided p2m pages */
@@ -345,7 +345,7 @@ void __init xen_build_dynamic_phys_to_machine(void)
 	unsigned long max_pfn = min(MAX_DOMAIN_PAGES, xen_start_info->nr_pages);
 	unsigned pfn;
 
-	max_p2m_pfn = max_pfn;
+	xen_max_p2m_pfn = max_pfn;
 
 	p2m_missing = extend_brk(PAGE_SIZE, PAGE_SIZE);
 	p2m_init(p2m_missing);

diff --git a/trunk/arch/x86/xen/setup.c b/trunk/arch/x86/xen/setup.c
@@ -64,6 +64,8 @@ static __init void xen_add_extra_mem(unsigned long pages)
 		      "XEN EXTRA");
 
 	xen_extra_mem_size += size;
+
+	xen_max_p2m_pfn = PFN_DOWN(xen_extra_mem_start + xen_extra_mem_size);
 }
 
 static unsigned long __init xen_release_chunk(phys_addr_t start_addr,

diff --git a/trunk/arch/x86/xen/xen-ops.h b/trunk/arch/x86/xen/xen-ops.h
@@ -30,6 +30,7 @@ void xen_setup_machphys_mapping(void);
 pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
 void xen_ident_map_ISA(void);
 void xen_reserve_top(void);
+extern unsigned long xen_max_p2m_pfn;
 
 char * __init xen_memory_setup(void);
 void __init xen_arch_setup(void);