[prev in list] [next in list] [prev in thread] [next in thread]
List: kernel-hardening
Subject: [PATCH v6 1/3] io_uring: use an enumeration for io_uring_register(2) opcodes
From: Stefano Garzarella <sgarzare () redhat ! com>
Date: 2020-08-27 14:58:29
Message-ID: 20200827145831.95189-2-sgarzare () redhat ! com
[Download RAW message or body]
The enumeration allows us to keep track of the last
io_uring_register(2) opcode available.
Behaviour and opcodes names don't change.
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
v5:
- explicitly assign enum values since this is UAPI [Kees]
---
include/uapi/linux/io_uring.h | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index d65fde732518..5f12ae6a415c 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -255,17 +255,22 @@ struct io_uring_params {
/*
* io_uring_register(2) opcodes and arguments
*/
-#define IORING_REGISTER_BUFFERS 0
-#define IORING_UNREGISTER_BUFFERS 1
-#define IORING_REGISTER_FILES 2
-#define IORING_UNREGISTER_FILES 3
-#define IORING_REGISTER_EVENTFD 4
-#define IORING_UNREGISTER_EVENTFD 5
-#define IORING_REGISTER_FILES_UPDATE 6
-#define IORING_REGISTER_EVENTFD_ASYNC 7
-#define IORING_REGISTER_PROBE 8
-#define IORING_REGISTER_PERSONALITY 9
-#define IORING_UNREGISTER_PERSONALITY 10
+enum {
+ IORING_REGISTER_BUFFERS = 0,
+ IORING_UNREGISTER_BUFFERS = 1,
+ IORING_REGISTER_FILES = 2,
+ IORING_UNREGISTER_FILES = 3,
+ IORING_REGISTER_EVENTFD = 4,
+ IORING_UNREGISTER_EVENTFD = 5,
+ IORING_REGISTER_FILES_UPDATE = 6,
+ IORING_REGISTER_EVENTFD_ASYNC = 7,
+ IORING_REGISTER_PROBE = 8,
+ IORING_REGISTER_PERSONALITY = 9,
+ IORING_UNREGISTER_PERSONALITY = 10,
+
+ /* this goes last */
+ IORING_REGISTER_LAST
+};
struct io_uring_files_update {
__u32 offset;
--
2.26.2
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic