Merge branch 'core-memblock-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

* 'core-memblock-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
  memblock: Reimplement memblock allocation using reverse free area iterator
  memblock: Kill early_node_map[]
  score: Use HAVE_MEMBLOCK_NODE_MAP
  s390: Use HAVE_MEMBLOCK_NODE_MAP
  mips: Use HAVE_MEMBLOCK_NODE_MAP
  ia64: Use HAVE_MEMBLOCK_NODE_MAP
  SuperH: Use HAVE_MEMBLOCK_NODE_MAP
  sparc: Use HAVE_MEMBLOCK_NODE_MAP
  powerpc: Use HAVE_MEMBLOCK_NODE_MAP
  memblock: Implement memblock_add_node()
  memblock: s/memblock_analyze()/memblock_allow_resize()/ and update users
  memblock: Track total size of regions automatically
  powerpc: Cleanup memblock usage
  memblock: Reimplement memblock_enforce_memory_limit() using __memblock_remove()
  memblock: Make memblock functions handle overflowing range @size
  memblock: Reimplement __memblock_remove() using memblock_isolate_range()
  memblock: Separate out memblock_isolate_range() from memblock_set_node()
  memblock: Kill memblock_init()
  memblock: Kill sentinel entries at the end of static region arrays
  memblock: Add __memblock_dump_all()
  ...

1 files changed, 10 insertions, 15 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index bdc447fd476..31053a951c3 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -41,6 +41,7 @@
 #include <linux/tboot.h>
 #include <linux/dmi.h>
 #include <linux/pci-ats.h>
+#include <linux/memblock.h>
 #include <asm/cacheflush.h>
 #include <asm/iommu.h>
 
@@ -2188,18 +2189,6 @@ static inline void iommu_prepare_isa(void)
 
 static int md_domain_init(struct dmar_domain *domain, int guest_width);
 
-static int __init si_domain_work_fn(unsigned long start_pfn,
-				    unsigned long end_pfn, void *datax)
-{
-	int *ret = datax;
-
-	*ret = iommu_domain_identity_map(si_domain,
-					 (uint64_t)start_pfn << PAGE_SHIFT,
-					 (uint64_t)end_pfn << PAGE_SHIFT);
-	return *ret;
-
-}
-
 static int __init si_domain_init(int hw)
 {
 	struct dmar_drhd_unit *drhd;
@@ -2231,9 +2220,15 @@ static int __init si_domain_init(int hw)
 		return 0;
 
 	for_each_online_node(nid) {
-		work_with_active_regions(nid, si_domain_work_fn, &ret);
-		if (ret)
-			return ret;
+		unsigned long start_pfn, end_pfn;
+		int i;
+
+		for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, NULL) {
+			ret = iommu_domain_identity_map(si_domain,
+					PFN_PHYS(start_pfn), PFN_PHYS(end_pfn));
+			if (ret)
+				return ret;
+		}
 	}
 
 	return 0;