kevin/linux
1
Fork 0
Code

uprobe: Change uretprobe syscall scope and number

Browse Source 
After discussing with Arnd [1] it's preferable to change uretprobe
syscall number to 467 to omit the merge conflict with xattrat syscalls.

Also changing the ABI to 'common' which will ease up the global
scripts/syscall.tbl management. One consequence is we generate uretprobe
syscall numbers for ABIs that do not support uretprobe syscall, but the
syscall still returns -ENOSYS when called in that ABI.

[1] https://lore.kernel.org/lkml/784a34e5-4654-44c9-9c07-f9f4ffd952a0@app.fastmail.com/

Link: https://lore.kernel.org/all/20240712135228.1619332-2-jolsa@kernel.org/

Fixes: 190fec72df ("uprobe: Wire up uretprobe system call")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Jiri Olsa 2024-07-12 15:52:27 +02:00 committed by Masami Hiramatsu (Google)
parent b10545b6b8
commit 63ded11097
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/entry/syscalls/syscall_64.tbl
View File

@ -384,7 +384,7 @@
460 common lsm_set_self_attr sys_lsm_set_self_attr
461 common lsm_list_modules sys_lsm_list_modules
462 common mseal sys_mseal
463 64 uretprobe sys_uretprobe
467 common uretprobe sys_uretprobe
#
# Due to a historical design error, certain syscalls are numbered differently