From 6dfdb2b6d877d654c8c7b59d7166f4d672fba4e8 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 2 May 2018 13:41:02 -0700
Subject: [PATCH] pmem: Switch to copy_to_iter_mcsafe()
Git-commit: 6dfdb2b6d877d654c8c7b59d7166f4d672fba4e8
Patch-mainline: v4.18-rc1
References: bsc#1098782

Use the machine check safe version of copy_to_iter() for the
->copy_to_iter() operation published by the pmem driver.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Jan Kara <jack@suse.cz>

---
 drivers/nvdimm/pmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 1b8ab48365de..6d3da8c92868 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -267,7 +267,7 @@ static size_t pmem_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
 static size_t pmem_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff,
 		void *addr, size_t bytes, struct iov_iter *i)
 {
-	return copy_to_iter(addr, bytes, i);
+	return copy_to_iter_mcsafe(addr, bytes, i);
 }
 
 static const struct dax_operations pmem_dax_ops = {
-- 
2.16.4