[PATCH RFC v3 5/8] s390: Use the common syscall table

From: André Almeida

Date: Fri Aug 07 2026 - 15:35:44 EST


Remove some of the duplicated code by using the common syscall number
table.

Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxx>
---
arch/s390/kernel/syscalls/Makefile | 8 ++++--
arch/s390/kernel/syscalls/syscall.tbl | 48 -----------------------------------
2 files changed, 6 insertions(+), 50 deletions(-)

diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile
index d5fca0ca0890..b06d2c8643f7 100644
--- a/arch/s390/kernel/syscalls/Makefile
+++ b/arch/s390/kernel/syscalls/Makefile
@@ -5,14 +5,18 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
$(shell mkdir -p $(uapi) $(kapi))

syscall := $(src)/syscall.tbl
+syscalltbl_common := $(srctree)/scripts/syscall_common.tbl
syshdr := $(srctree)/scripts/syscallhdr.sh
systbl := $(srctree)/scripts/syscalltbl.sh
+abis := common,cln3,memfd_secret

quiet_cmd_syshdr = SYSHDR $@
- cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis common,$* $< $@
+ cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis $(abis),$* \
+ --common-tbl $(syscalltbl_common) $< $@

quiet_cmd_systbl = SYSTBL $@
- cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis common,$* $< $@
+ cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis),$* \
+ --common-tbl $(syscalltbl_common) --no-compat $< $@

$(uapi)/unistd_%.h: $(syscall) $(syshdr) FORCE
$(call if_changed,syshdr)
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 09a7ef04d979..ce6d15260dd1 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -350,51 +350,3 @@
400 common msgsnd sys_msgsnd
401 common msgrcv sys_msgrcv
402 common msgctl sys_msgctl
-424 common pidfd_send_signal sys_pidfd_send_signal
-425 common io_uring_setup sys_io_uring_setup
-426 common io_uring_enter sys_io_uring_enter
-427 common io_uring_register sys_io_uring_register
-428 common open_tree sys_open_tree
-429 common move_mount sys_move_mount
-430 common fsopen sys_fsopen
-431 common fsconfig sys_fsconfig
-432 common fsmount sys_fsmount
-433 common fspick sys_fspick
-434 common pidfd_open sys_pidfd_open
-435 common clone3 sys_clone3
-436 common close_range sys_close_range
-437 common openat2 sys_openat2
-438 common pidfd_getfd sys_pidfd_getfd
-439 common faccessat2 sys_faccessat2
-440 common process_madvise sys_process_madvise
-441 common epoll_pwait2 sys_epoll_pwait2
-442 common mount_setattr sys_mount_setattr
-443 common quotactl_fd sys_quotactl_fd
-444 common landlock_create_ruleset sys_landlock_create_ruleset
-445 common landlock_add_rule sys_landlock_add_rule
-446 common landlock_restrict_self sys_landlock_restrict_self
-447 common memfd_secret sys_memfd_secret
-448 common process_mrelease sys_process_mrelease
-449 common futex_waitv sys_futex_waitv
-450 common set_mempolicy_home_node sys_set_mempolicy_home_node
-451 common cachestat sys_cachestat
-452 common fchmodat2 sys_fchmodat2
-453 common map_shadow_stack sys_map_shadow_stack
-454 common futex_wake sys_futex_wake
-455 common futex_wait sys_futex_wait
-456 common futex_requeue sys_futex_requeue
-457 common statmount sys_statmount
-458 common listmount sys_listmount
-459 common lsm_get_self_attr sys_lsm_get_self_attr
-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 common setxattrat sys_setxattrat
-464 common getxattrat sys_getxattrat
-465 common listxattrat sys_listxattrat
-466 common removexattrat sys_removexattrat
-467 common open_tree_attr sys_open_tree_attr
-468 common file_getattr sys_file_getattr
-469 common file_setattr sys_file_setattr
-470 common listns sys_listns
-471 common rseq_slice_yield sys_rseq_slice_yield

--
2.55.0