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authorArnd Bergmann <arnd@arndb.de>2018-12-31 14:38:26 +0100
committerArnd Bergmann <arnd@arndb.de>2019-01-25 17:22:50 +0100
commit0d6040d4681735dfc47565de288525de405a5c99 (patch)
treec4e05f2bf6f6e50adc1e55f701a29e37bef99583 /arch/mips
parent275f22148e8720e84b180d9e0cdf8abfd69bac5b (diff)
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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/mips')
-rw-r--r--arch/mips/kernel/syscalls/syscall_o32.tbl11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 3d5a47b80d2b..fa47ea8cc6ef 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -380,3 +380,14 @@
366 o32 statx sys_statx
367 o32 rseq sys_rseq
368 o32 io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents
+# room for arch specific calls
+393 o32 semget sys_semget
+394 o32 semctl sys_semctl compat_sys_semctl
+395 o32 shmget sys_shmget
+396 o32 shmctl sys_shmctl compat_sys_shmctl
+397 o32 shmat sys_shmat compat_sys_shmat
+398 o32 shmdt sys_shmdt
+399 o32 msgget sys_msgget
+400 o32 msgsnd sys_msgsnd compat_sys_msgsnd
+401 o32 msgrcv sys_msgrcv compat_sys_msgrcv
+402 o32 msgctl sys_msgctl compat_sys_msgctl