[RFC PATCH v14 07/10] arch: Wire up landlock() syscall
From: Mickaël Salaün <mic@digikod.net>
Date: 2020-02-24 16:10:37
Also in:
linux-arch, linux-doc, linux-fsdevel, linux-kselftest, linux-security-module, lkml
Subsystem:
generic include/asm header files, the rest, x86 architecture (32-bit and 64-bit), x86 entry code · Maintainers:
Arnd Bergmann, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen, Andy Lutomirski
Wire up the landlock() call for x86_64 (for now). Signed-off-by: Mickaël Salaün <mic@digikod.net> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: James Morris <jmorris@namei.org> Cc: Kees Cook <redacted> Cc: Serge E. Hallyn <serge@hallyn.com> --- Changes since v13: * New implementation. --- arch/x86/entry/syscalls/syscall_64.tbl | 1 + include/uapi/asm-generic/unistd.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 44d510bc9b78..3e759505c8bf 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl@@ -359,6 +359,7 @@ 435 common clone3 __x64_sys_clone3/ptregs 437 common openat2 __x64_sys_openat2 438 common pidfd_getfd __x64_sys_pidfd_getfd +439 common landlock __x64_sys_landlock # # x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 3a3201e4618e..31d5814ddb13 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h@@ -855,9 +855,11 @@ __SYSCALL(__NR_clone3, sys_clone3) __SYSCALL(__NR_openat2, sys_openat2) #define __NR_pidfd_getfd 438 __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd) +#define __NR_landlock 439 +__SYSCALL(__NR_landlock, sys_landlock) #undef __NR_syscalls -#define __NR_syscalls 439 +#define __NR_syscalls 440 /* * 32 bit systems traditionally used different
--
2.25.0