From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 2 May 2018 20:41:02 +0000 (-0700)
Subject: pmem: Switch to copy_to_iter_mcsafe()
X-Git-Tag: v4.19~842^2^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6dfdb2b6d877d654c8c7b59d7166f4d672fba4e8;p=platform%2Fkernel%2Flinux-rpi.git

pmem: Switch to copy_to_iter_mcsafe()

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>
---

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 1b8ab48..6d3da8c 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 = {