diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index c39de84e98b0..e5370bcadf27 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -400,9 +400,12 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
 #ifdef CONFIG_MEMORY_FAILURE
 		if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
 			unsigned int lsb = 0;
-			printk(KERN_ERR
+
+			if (!(fault & VM_FAULT_HWPOISON_SIM)) {
+				pr_err(
 	"MCE: Killing %s:%d due to hardware memory corruption fault at %08lx\n",
-			tsk->comm, tsk->pid, address);
+				tsk->comm, tsk->pid, address);
+			}
 			/*
 			 * Either small page or large page may be poisoned.
 			 * In other words, VM_FAULT_HWPOISON_LARGE and
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 53335ae21a40..ac5e8a3c7fba 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -140,8 +140,10 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address,
 	if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
 		unsigned int lsb = 0; /* shutup gcc */
 
-		pr_err("MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
-			current->comm, current->pid, address);
+		if (!(fault & VM_FAULT_HWPOISON_SIM)) {
+			pr_err("MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
+				current->comm, current->pid, address);
+		}
 
 		if (fault & VM_FAULT_HWPOISON_LARGE)
 			lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index e4f3c7721f45..16d077a3ad14 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -928,9 +928,11 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
 		struct task_struct *tsk = current;
 		unsigned lsb = 0;
 
-		pr_err_ratelimited(
+		if (!(fault & VM_FAULT_HWPOISON_SIM)) {
+			pr_err_ratelimited(
 	"MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
-			tsk->comm, tsk->pid, address);
+				tsk->comm, tsk->pid, address);
+		}
 		if (fault & VM_FAULT_HWPOISON_LARGE)
 			lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
 		if (fault & VM_FAULT_HWPOISON)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 5240bd7bca33..7f8fc3efc5b2 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1226,6 +1226,9 @@ typedef __bitwise unsigned int vm_fault_t;
  * @VM_FAULT_HWPOISON_LARGE:	Hit poisoned large page. Index encoded
  *				in upper bits
  * @VM_FAULT_SIGSEGV:		segmentation fault
+ * @VM_FAULT_HWPOISON_SIM	Hit poisoned, PTE marker; this indicates a
+ *				simulated poison (e.g. via usefaultfd's
+ *                              UFFDIO_POISON), not a "real" hwerror.
  * @VM_FAULT_NOPAGE:		->fault installed the pte, not return page
  * @VM_FAULT_LOCKED:		->fault locked the returned page
  * @VM_FAULT_RETRY:		->fault blocked, must retry
@@ -1245,6 +1248,7 @@ enum vm_fault_reason {
 	VM_FAULT_HWPOISON       = (__force vm_fault_t)0x000010,
 	VM_FAULT_HWPOISON_LARGE = (__force vm_fault_t)0x000020,
 	VM_FAULT_SIGSEGV        = (__force vm_fault_t)0x000040,
+	VM_FAULT_HWPOISON_SIM   = (__force vm_fault_t)0x000080,
 	VM_FAULT_NOPAGE         = (__force vm_fault_t)0x000100,
 	VM_FAULT_LOCKED         = (__force vm_fault_t)0x000200,
 	VM_FAULT_RETRY          = (__force vm_fault_t)0x000400,
@@ -1270,6 +1274,7 @@ enum vm_fault_reason {
 	{ VM_FAULT_HWPOISON,            "HWPOISON" },	\
 	{ VM_FAULT_HWPOISON_LARGE,      "HWPOISON_LARGE" },	\
 	{ VM_FAULT_SIGSEGV,             "SIGSEGV" },	\
+	{ VM_FAULT_HWPOISON_SIM,	"HWPOISON_SIM" },	\
 	{ VM_FAULT_NOPAGE,              "NOPAGE" },	\
 	{ VM_FAULT_LOCKED,              "LOCKED" },	\
 	{ VM_FAULT_RETRY,               "RETRY" },	\
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 65456230cc71..2b4e0173e806 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -6485,7 +6485,8 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 				pte_marker_get(pte_to_swp_entry(entry));
 
 			if (marker & PTE_MARKER_POISONED) {
-				ret = VM_FAULT_HWPOISON_LARGE |
+				ret = VM_FAULT_HWPOISON_SIM |
+				      VM_FAULT_HWPOISON_LARGE |
 				      VM_FAULT_SET_HINDEX(hstate_index(h));
 				goto out_mutex;
 			}
diff --git a/mm/memory.c b/mm/memory.c
index d2155ced45f8..29a833b996ae 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3910,7 +3910,7 @@ static vm_fault_t handle_pte_marker(struct vm_fault *vmf)
 
 	/* Higher priority than uffd-wp when data corrupted */
 	if (marker & PTE_MARKER_POISONED)
-		return VM_FAULT_HWPOISON;
+		return VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_SIM;
 
 	if (pte_marker_entry_uffd_wp(entry))
 		return pte_marker_handle_uffd_wp(vmf);
