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From: "André Almeida" <andrealmeid@igalia.com>
To: Masami Hiramatsu <mhiramat@kernel.org>, Arnd Bergmanon <arnd@arndb.de>
Cc: "Christian Brauner" <brauner@kernel.org>,
	linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org,
	kernel-dev@igalia.com,
	"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
	linux-alpha@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, soc@lists.linux.dev,
	linux-mips@vger.kernel.org, sparclinux@vger.kernel.org,
	"André Almeida" <andrealmeid@igalia.com>
Subject: [PATCH v7 05/13] s390: Use the common syscall table
Date: Thu, 17 Sep 2026 20:46:08 -0300	[thread overview]
Message-ID: <20260917-tonyk-syscall_table-v7-5-f4cd8f8e3265@igalia.com> (raw)
In-Reply-To: <20260917-tonyk-syscall_table-v7-0-f4cd8f8e3265@igalia.com>

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

Signed-off-by: André Almeida <andrealmeid@igalia.com>
---
 arch/s390/kernel/syscall.c            |  2 ++
 arch/s390/kernel/syscalls/Makefile    | 12 ++++++---
 arch/s390/kernel/syscalls/syscall.tbl | 49 -----------------------------------
 3 files changed, 10 insertions(+), 53 deletions(-)

diff --git a/arch/s390/kernel/syscall.c b/arch/s390/kernel/syscall.c
index bcc0b76bd868..d4b5c30e1cbe 100644
--- a/arch/s390/kernel/syscall.c
+++ b/arch/s390/kernel/syscall.c
@@ -40,6 +40,8 @@
 
 #include "entry.h"
 
+#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, native)
+
 #define __SYSCALL(nr, sym) long __s390x_##sym(struct pt_regs *);
 #include <asm/syscall_table.h>
 #undef __SYSCALL
diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile
index d5fca0ca0890..4b4490f80467 100644
--- a/arch/s390/kernel/syscalls/Makefile
+++ b/arch/s390/kernel/syscalls/Makefile
@@ -5,19 +5,23 @@ 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,clone3,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) $< $@
 
-$(uapi)/unistd_%.h: $(syscall) $(syshdr) FORCE
+$(uapi)/unistd_%.h: $(syscall) $(syscalltbl_common) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
-$(kapi)/syscall_table.h: $(syscall) $(systbl) FORCE
+$(kapi)/syscall_table.h: $(syscall) $(syscalltbl_common) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 uapisyshdr-y		+= unistd_64.h
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 1b45e68a217b..ce6d15260dd1 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -350,52 +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
-472	common	fchroot				sys_fchroot

-- 
2.55.0



  parent reply	other threads:[~2026-09-17 23:46 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-17 23:46 [PATCH v7 00/13] syscalls: Add a shared table for all archs André Almeida
2026-09-17 23:46 ` [PATCH v7 01/13] syscalls: Make --abis parsing more robust André Almeida
2026-09-17 23:46 ` [PATCH v7 02/13] syscalls: Create unified partial table for all archs André Almeida
2026-09-17 23:46 ` [PATCH v7 03/13] scripts/syscall.tbl: Use the common table André Almeida
2026-09-18  6:34   ` Arnd Bergmann
2026-09-18 19:58     ` André Almeida
2026-09-17 23:46 ` [PATCH v7 04/13] arm: Use the common syscall table André Almeida
2026-09-18  6:22   ` Arnd Bergmann
2026-09-18 20:10     ` André Almeida
2026-09-17 23:46 ` André Almeida [this message]
2026-09-17 23:46 ` [PATCH v7 06/13] sparc: " André Almeida
2026-09-17 23:46 ` [PATCH v7 07/13] mips: Remove duplicated syscallnr.sh André Almeida
2026-09-17 23:46 ` [PATCH v7 08/13] mips: Get rid of custom mips ABIs for syscall tables André Almeida
2026-09-17 23:46 ` [PATCH v7 09/13] mips: Use the common syscall table André Almeida
2026-09-18  6:56   ` Arnd Bergmann
2026-09-17 23:46 ` [PATCH v7 10/13] syscalls: Add an option for offsetting the common table André Almeida
2026-09-17 23:46 ` [PATCH v7 11/13] alpha: Define entry point for set_mempolicy_home_node syscall André Almeida
2026-09-18 11:36   ` Magnus Lindholm
2026-09-17 23:46 ` [PATCH v7 12/13] alpha: Remove alpha_ prefix from custom syscall entries André Almeida
2026-09-18 10:54   ` Magnus Lindholm
2026-09-18 20:11     ` André Almeida
2026-09-17 23:46 ` [PATCH v7 13/13] alpha: Use the common syscall table André Almeida
2026-09-18 10:57   ` Magnus Lindholm

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