Wrap around call stack functions of XENPF_mem_hotadd:
memory_add
	mem_hotadd_check
	valid_numa_range
	extend_frame_table
		setup_frametable_chunk
	setup_m2p_table
		m2p_mapped
		setup_compat_m2p_table
			alloc_hotadd_mfn
	share_hotadd_m2p_table
	transfer_pages_to_heap
	destroy_m2p_mapping
		destroy_compat_m2p_mapping
	cleanup_frame_table
		hotadd_mem_valid

Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
---
cc: Jan Beulich <jbeulich@suse.com>
cc: Andrew Cooper <andrew.cooper3@citrix.com>
cc: "Roger Pau Monné" <roger.pau@citrix.com>
cc: Anthony PERARD <anthony.perard@vates.tech>
cc: Michal Orzel <michal.orzel@amd.com>
cc: Julien Grall <julien@xen.org>
cc: Stefano Stabellini <sstabellini@kernel.org>
---
 xen/arch/x86/x86_64/mm.c | 6 ++++++
 xen/common/numa.c        | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c
index d4e6a9c0a2e0..5952bca8cd84 100644
--- a/xen/arch/x86/x86_64/mm.c
+++ b/xen/arch/x86/x86_64/mm.c
@@ -111,6 +111,7 @@ void *do_page_walk(struct vcpu *v, unsigned long addr)
     return map_domain_page(_mfn(mfn)) + (addr & ~PAGE_MASK);
 }
 
+#ifdef CONFIG_PLATFORM_OP
 /*
  * Allocate page table pages for m2p table
  */
@@ -496,6 +497,7 @@ error:
     unmap_domain_page(l3_ro_mpt);
     return ret;
 }
+#endif /* CONFIG_PLATFORM_OP */
 
 void __init paging_init(void)
 {
@@ -743,6 +745,7 @@ void free_compat_arg_xlat(struct vcpu *v)
                               PFN_UP(COMPAT_ARG_XLAT_SIZE));
 }
 
+#ifdef CONFIG_PLATFORM_OP
 static void cleanup_frame_table(struct mem_hotadd_info *info)
 {
     unsigned long sva, eva;
@@ -861,6 +864,7 @@ static int extend_frame_table(struct mem_hotadd_info *info)
            (unsigned long)mfn_to_page(epfn) - (unsigned long)mfn_to_page(spfn));
     return 0;
 }
+#endif /* CONFIG_PLATFORM_OP */
 
 void __init subarch_init_memory(void)
 {
@@ -1139,6 +1143,7 @@ unsigned int domain_clamp_alloc_bitsize(struct domain *d, unsigned int bits)
     return min(d->arch.physaddr_bitsize, bits);
 }
 
+#ifdef CONFIG_PLATFORM_OP
 static int transfer_pages_to_heap(struct mem_hotadd_info *info)
 {
     unsigned long i;
@@ -1360,6 +1365,7 @@ destroy_frametable:
 
     return ret;
 }
+#endif /* CONFIG_PLATFORM_OP */
 
 void set_gpfn_from_mfn(unsigned long mfn, unsigned long pfn)
 {
diff --git a/xen/common/numa.c b/xen/common/numa.c
index ad75955a1622..9a1b7e3a729c 100644
--- a/xen/common/numa.c
+++ b/xen/common/numa.c
@@ -59,6 +59,7 @@ void __init numa_set_processor_nodes_parsed(nodeid_t node)
     node_set(node, processor_nodes_parsed);
 }
 
+#ifdef CONFIG_PLATFORM_OP
 bool valid_numa_range(paddr_t start, paddr_t end, nodeid_t node)
 {
     unsigned int i;
@@ -74,6 +75,7 @@ bool valid_numa_range(paddr_t start, paddr_t end, nodeid_t node)
 
     return false;
 }
+#endif /* CONFIG_PLATFORM_OP */
 
 static enum conflicts __init conflicting_memblks(
     nodeid_t nid, paddr_t start, paddr_t end, paddr_t nd_start,
-- 
2.34.1