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From: Masahiro Yamada <masahiroy@kernel.org>
To: x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
	Andy Lutomirski <luto@kernel.org>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Jeff Dike <jdike@addtoit.com>,
	Richard Weinberger <richard@nod.at>,
	linux-kernel@vger.kernel.org, linux-um@lists.infradead.org
Subject: [RESEND PATCH 0/6] x86: switch to generic syscall{tbl,hdr}.sh with various syscall code cleanups
Date: Mon, 17 May 2021 16:38:08 +0900	[thread overview]
Message-ID: <20210517073815.97426-1-masahiroy@kernel.org> (raw)


Previously, many architectures duplicated similar scripts to
generate syscall headers.

For v5.11:

  $ find  arch  -name syscalltbl.sh
  arch/parisc/kernel/syscalls/syscalltbl.sh
  arch/alpha/kernel/syscalls/syscalltbl.sh
  arch/microblaze/kernel/syscalls/syscalltbl.sh
  arch/powerpc/kernel/syscalls/syscalltbl.sh
  arch/arm/tools/syscalltbl.sh
  arch/sparc/kernel/syscalls/syscalltbl.sh
  arch/sh/kernel/syscalls/syscalltbl.sh
  arch/xtensa/kernel/syscalls/syscalltbl.sh
  arch/ia64/kernel/syscalls/syscalltbl.sh
  arch/x86/entry/syscalls/syscalltbl.sh
  arch/mips/kernel/syscalls/syscalltbl.sh
  arch/m68k/kernel/syscalls/syscalltbl.sh
  $ find  arch  -name  syscallhdr.sh
  arch/parisc/kernel/syscalls/syscallhdr.sh
  arch/alpha/kernel/syscalls/syscallhdr.sh
  arch/microblaze/kernel/syscalls/syscallhdr.sh
  arch/powerpc/kernel/syscalls/syscallhdr.sh
  arch/arm/tools/syscallhdr.sh
  arch/sparc/kernel/syscalls/syscallhdr.sh
  arch/sh/kernel/syscalls/syscallhdr.sh
  arch/xtensa/kernel/syscalls/syscallhdr.sh
  arch/ia64/kernel/syscalls/syscallhdr.sh
  arch/x86/entry/syscalls/syscallhdr.sh
  arch/mips/kernel/syscalls/syscallhdr.sh
  arch/m68k/kernel/syscalls/syscallhdr.sh

They were mostly consolidated by the time of v5.13-rc1:

Now:

  $ find  arch  -name syscalltbl.sh
  arch/x86/entry/syscalls/syscalltbl.sh
  $ find  arch  -name  syscallhdr.sh
  arch/x86/entry/syscalls/syscallhdr.sh

x86 is a remaining bit because x86 maintainers did not respond.

This patch series makes a lot of cleanups.
We can remove a lot of lines.
The code diff is attractive.

No code change since the previous submission.
(Only 1/7 was applied, so dropped from the series)

https://lore.kernel.org/lkml/20210301131533.64671-1-masahiroy@kernel.org/



Masahiro Yamada (6):
  x86/entry/x32: rename __x32_compat_sys_* to __x64_compat_sys_*
  x86/syscalls: switch to generic syscalltbl.sh
  x86/syscalls: stop filling syscall arrays with *_sys_ni_syscall
  x86/unistd: define X32_NR_syscalls only for 64-bit kernel
  x86/syscalls: use __NR_syscalls instead of __NR_syscall_max
  x86/syscalls: switch to generic syscallhdr.sh

 arch/um/kernel/skas/syscall.c          |  2 +-
 arch/x86/entry/syscall_32.c            | 20 +++++------
 arch/x86/entry/syscall_64.c            | 17 +++-------
 arch/x86/entry/syscall_x32.c           | 35 ++++----------------
 arch/x86/entry/syscalls/Makefile       | 36 +++++++++++---------
 arch/x86/entry/syscalls/syscallhdr.sh  | 35 --------------------
 arch/x86/entry/syscalls/syscalltbl.sh  | 46 --------------------------
 arch/x86/include/asm/Kbuild            |  1 +
 arch/x86/include/asm/syscall_wrapper.h | 10 +++---
 arch/x86/include/asm/unistd.h          |  8 ++---
 arch/x86/um/sys_call_table_32.c        | 14 +++-----
 arch/x86/um/sys_call_table_64.c        | 15 ++-------
 12 files changed, 60 insertions(+), 179 deletions(-)
 delete mode 100644 arch/x86/entry/syscalls/syscallhdr.sh
 delete mode 100644 arch/x86/entry/syscalls/syscalltbl.sh

-- 
2.27.0


             reply	other threads:[~2021-05-17  7:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17  7:38 Masahiro Yamada [this message]
2021-05-17  7:38 ` [RESEND PATCH 1/6] x86/entry/x32: rename __x32_compat_sys_* to __x64_compat_sys_* Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/entry/x32: Rename " tip-bot2 for Masahiro Yamada
2021-05-17  7:38 ` [RESEND PATCH 2/6] x86/syscalls: switch to generic syscalltbl.sh Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/syscalls: Switch " tip-bot2 for Masahiro Yamada
2021-05-17  7:38 ` [RESEND PATCH 3/6] x86/syscalls: stop filling syscall arrays with *_sys_ni_syscall Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/syscalls: Stop " tip-bot2 for Masahiro Yamada
2021-05-17  7:38 ` [RESEND PATCH 4/6] x86/unistd: define X32_NR_syscalls only for 64-bit kernel Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/unistd: Define " tip-bot2 for Masahiro Yamada
2021-05-17  7:38 ` [RESEND PATCH 5/6] x86/syscalls: use __NR_syscalls instead of __NR_syscall_max Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/syscalls: Use " tip-bot2 for Masahiro Yamada
2021-05-17  7:38 ` [RESEND PATCH 6/6] x86/syscalls: switch to generic syscallhdr.sh Masahiro Yamada
2021-05-20 13:23   ` [tip: x86/entry] x86/syscalls: Switch " tip-bot2 for Masahiro Yamada

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