[PATCH RFC PKS/PMEM 55/58] samples: Utilize new kmap_thread()

[ira.weiny@xxxxxxxxx]

From: Ira Weiny <ira.weiny@xxxxxxxxx>

These kmap() calls are localized to a single thread.  To avoid the over
head of global PKRS updates use the new kmap_thread() call.

Cc: Kirti Wankhede <kwankhede@xxxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
 samples/vfio-mdev/mbochs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index 3cc5e5921682..6d95422c0b46 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -479,12 +479,12 @@ static ssize_t mdev_access(struct mdev_device *mdev, char 
*buf, size_t count,
                pos -= MBOCHS_MMIO_BAR_OFFSET;
                poff = pos & ~PAGE_MASK;
                pg = __mbochs_get_page(mdev_state, pos >> PAGE_SHIFT);
-               map = kmap(pg);
+               map = kmap_thread(pg);
                if (is_write)
                        memcpy(map + poff, buf, count);
                else
                        memcpy(buf, map + poff, count);
-               kunmap(pg);
+               kunmap_thread(pg);
                put_page(pg);
 
        } else {
-- 
2.28.0.rc0.12.gb6a658bd00c9