Commit 21b56c847753 ("iov_iter: get rid of separate bvec and xarray
callbacks") removed the calls to memcpy_page_flushcache().
kmap_atomic() is deprecated and used in memcpy_page_flushcache().
Remove the unnecessary memcpy_page_flushcache() call.
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: "Dan Williams" <dan.j.willi...@intel.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Borislav Petkov <b...@alien8.de>
Cc: x...@kernel.org
Cc: "H. Peter Anvin" <h...@zytor.com>
Signed-off-by: Ira Weiny <ira.we...@intel.com>
---
arch/x86/include/asm/uaccess_64.h | 2 --
arch/x86/lib/usercopy_64.c | 9 ---------
2 files changed, 11 deletions(-)
diff --git a/arch/x86/include/asm/uaccess_64.h
b/arch/x86/include/asm/uaccess_64.h
index d13d71af5cf6..c6b1dcded364 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -62,8 +62,6 @@ extern long __copy_user_nocache(void *dst, const void __user
*src,
unsigned size, int zerorest);
extern long __copy_user_flushcache(void *dst, const void __user *src, unsigned
size);
-extern void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
- size_t len);
static inline int
__copy_from_user_inatomic_nocache(void *dst, const void __user *src,
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 6c1f8ac5e721..f515542f017f 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -136,13 +136,4 @@ void __memcpy_flushcache(void *_dst, const void *_src,
size_t size)
}
}
EXPORT_SYMBOL_GPL(__memcpy_flushcache);
-
-void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
- size_t len)
-{
- char *from = kmap_atomic(page);
-
- memcpy_flushcache(to, from + offset, len);
- kunmap_atomic(from);
-}
#endif
--
2.39.2
