@torvalds My kvm boots fine with:
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 274014e4eafe..06e46530cb3d 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1868,7 +1868,7 @@ int import_single_range(int rw, void __user *buf, size_t len,
iov->iov_base = buf;
iov->iov_len = len;
- iov_iter_init(i, rw, iov, 1, len);
+ iov_iter_ubuf(i, rw, buf, len);
return 0;
}
EXPORT_SYMBOL(import_single_range);
Let me try the __import_iovec() as well...