maccess: remove various unused weak aliases

maccess tends to define lots of underscore prefixed symbols that then
have other weak aliases.  But except for two cases they are never
actually used, so remove them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20200521152301.2587579-3-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 16 deletions

diff --git a/mm/maccess.c b/mm/maccess.c
index a2b22295d8ea..513aa5dab761 100644
--- a/mm/maccess.c
+++ b/mm/maccess.c
@@ -79,11 +79,7 @@ EXPORT_SYMBOL_GPL(probe_kernel_read);
  * Safely read from user address @src to the buffer at @dst. If a kernel fault
  * happens, handle that and return -EFAULT.
  */
-
-long __weak probe_user_read(void *dst, const void __user *src, size_t size)
-    __attribute__((alias("__probe_user_read")));
-
-long __probe_user_read(void *dst, const void __user *src, size_t size)
+long probe_user_read(void *dst, const void __user *src, size_t size)
 {
 	long ret = -EFAULT;
 	mm_segment_t old_fs = get_fs();
@@ -106,11 +102,7 @@ EXPORT_SYMBOL_GPL(probe_user_read);
  * Safely write to address @dst from the buffer at @src.  If a kernel fault
  * happens, handle that and return -EFAULT.
  */
-
-long __weak probe_kernel_write(void *dst, const void *src, size_t size)
-    __attribute__((alias("__probe_kernel_write")));
-
-long __probe_kernel_write(void *dst, const void *src, size_t size)
+long probe_kernel_write(void *dst, const void *src, size_t size)
 {
 	long ret;
 	mm_segment_t old_fs = get_fs();
@@ -131,11 +123,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size)
  * Safely write to address @dst from the buffer at @src.  If a kernel fault
  * happens, handle that and return -EFAULT.
  */
-
-long __weak probe_user_write(void __user *dst, const void *src, size_t size)
-    __attribute__((alias("__probe_user_write")));
-
-long __probe_user_write(void __user *dst, const void *src, size_t size)
+long probe_user_write(void __user *dst, const void *src, size_t size)
 {
 	long ret = -EFAULT;
 	mm_segment_t old_fs = get_fs();
@@ -172,7 +160,6 @@ EXPORT_SYMBOL_GPL(probe_user_write);
  * probing memory on a user address range where strncpy_from_unsafe_user() is
  * supposed to be used instead.
  */
-
 long __weak strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count)
     __attribute__((alias("__strncpy_from_unsafe")));