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| author | Arnd Bergmann <arnd@arndb.de> | 2018-12-31 14:38:26 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2019-01-25 17:22:50 +0100 |
| commit | 0d6040d4681735dfc47565de288525de405a5c99 (patch) | |
| tree | c4e05f2bf6f6e50adc1e55f701a29e37bef99583 /arch/s390/kernel | |
| parent | ipc: rename old-style shmctl/semctl/msgctl syscalls (diff) | |
| download | linux-0d6040d4681735dfc47565de288525de405a5c99.tar.xz linux-0d6040d4681735dfc47565de288525de405a5c99.zip | |
arch: add split IPC system calls where needed
The IPC system call handling is highly inconsistent across architectures,
some use sys_ipc, some use separate calls, and some use both. We also
have some architectures that require passing IPC_64 in the flags, and
others that set it implicitly.
For the addition of a y2038 safe semtimedop() system call, I chose to only
support the separate entry points, but that requires first supporting
the regular ones with their own syscall numbers.
The IPC_64 is now implied by the new semctl/shmctl/msgctl system
calls even on the architectures that require passing it with the ipc()
multiplexer.
I'm not adding the new semtimedop() or semop() on 32-bit architectures,
those will get implemented using the new semtimedop_time64() version
that gets added along with the other time64 calls.
Three 64-bit architectures (powerpc, s390 and sparc) get semtimedop().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/syscalls/syscall.tbl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 7413fd318e2a..0bccb01c6202 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -391,3 +391,15 @@ 381 common kexec_file_load sys_kexec_file_load sys_kexec_file_load 382 common io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents 383 common rseq sys_rseq sys_rseq +# room for arch specific syscalls +392 64 semtimedop sys_semtimedop - +393 common semget sys_semget sys_semget +394 common semctl sys_semctl compat_sys_semctl +395 common shmget sys_shmget sys_shmget +396 common shmctl sys_shmctl compat_sys_shmctl +397 common shmat sys_shmat compat_sys_shmat +398 common shmdt sys_shmdt sys_shmdt +399 common msgget sys_msgget sys_msgget +400 common msgsnd sys_msgsnd compat_sys_msgsnd +401 common msgrcv sys_msgrcv compat_sys_msgrcv +402 common msgctl sys_msgctl compat_sys_msgctl |