linux-kernel - [PATCH V2 01/17] kconfig: Add SYSVIPC

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Message-Id: <20211228143958.3409187-2-guoren@kernel.org>
Date:   Tue, 28 Dec 2021 22:39:42 +0800
From:   guoren@...nel.org
To:     guoren@...nel.org, palmer@...belt.com, arnd@...db.de,
        anup.patel@....com, gregkh@...uxfoundation.org,
        liush@...winnertech.com, wefu@...hat.com, drew@...gleboard.org,
        wangjunqiang@...as.ac.cn, hch@...radead.org
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-csky@...r.kernel.org, linux-s390@...r.kernel.org,
        sparclinux@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        inux-parisc@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
        Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH V2 01/17] kconfig: Add SYSVIPC_COMPAT for all architectures

From: Guo Ren <guoren@...ux.alibaba.com>

The existing per-arch definitions are pretty much historic cruft.
Move SYSVIPC_COMPAT into init/Kconfig.

Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Christoph Hellwig <hch@...radead.org>
---
 arch/arm64/Kconfig   | 4 ----
 arch/mips/Kconfig    | 5 -----
 arch/parisc/Kconfig  | 4 ----
 arch/powerpc/Kconfig | 5 -----
 arch/s390/Kconfig    | 3 ---
 arch/sparc/Kconfig   | 5 -----
 arch/x86/Kconfig     | 4 ----
 init/Kconfig         | 4 ++++
 8 files changed, 4 insertions(+), 30 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index c4207cf9bb17..8ca8cc6f3253 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2028,10 +2028,6 @@ config DMI
 
 endmenu
 
-config SYSVIPC_COMPAT
-	def_bool y
-	depends on COMPAT && SYSVIPC
-
 menu "Power management options"
 
 source "kernel/power/Kconfig"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0215dc1529e9..b84eba22fefe 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -3169,16 +3169,12 @@ config MIPS32_COMPAT
 config COMPAT
 	bool
 
-config SYSVIPC_COMPAT
-	bool
-
 config MIPS32_O32
 	bool "Kernel support for o32 binaries"
 	depends on 64BIT
 	select ARCH_WANT_OLD_COMPAT_IPC
 	select COMPAT
 	select MIPS32_COMPAT
-	select SYSVIPC_COMPAT if SYSVIPC
 	help
 	  Select this option if you want to run o32 binaries.  These are pure
 	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
@@ -3192,7 +3188,6 @@ config MIPS32_N32
 	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 	select COMPAT
 	select MIPS32_COMPAT
-	select SYSVIPC_COMPAT if SYSVIPC
 	help
 	  Select this option if you want to run n32 binaries.  These are
 	  64-bit binaries using 32-bit quantities for addressing and certain
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index b2188da09c73..bd72696cbd42 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -364,10 +364,6 @@ config COMPAT
 	def_bool y
 	depends on 64BIT
 
-config SYSVIPC_COMPAT
-	def_bool y
-	depends on COMPAT && SYSVIPC
-
 config AUDIT_ARCH
 	def_bool y
 
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index dea74d7717c0..81d198daa998 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -296,11 +296,6 @@ config COMPAT
 	select ARCH_WANT_OLD_COMPAT_IPC
 	select COMPAT_OLD_SIGACTION
 
-config SYSVIPC_COMPAT
-	bool
-	depends on COMPAT && SYSVIPC
-	default y
-
 config SCHED_OMIT_FRAME_POINTER
 	bool
 	default y
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2a5bb4f29cfe..c1816ca7ae43 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -461,9 +461,6 @@ config COMPAT
 	  (and some other stuff like libraries and such) is needed for
 	  executing 31 bit applications.  It is safe to say "Y".
 
-config SYSVIPC_COMPAT
-	def_bool y if COMPAT && SYSVIPC
-
 config SMP
 	def_bool y
 
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 66fc08646be5..45401b99d6cb 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -494,9 +494,4 @@ config COMPAT
 	select ARCH_WANT_OLD_COMPAT_IPC
 	select COMPAT_OLD_SIGACTION
 
-config SYSVIPC_COMPAT
-	bool
-	depends on COMPAT && SYSVIPC
-	default y
-
 source "drivers/sbus/char/Kconfig"
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5c2ccb85f2ef..569703122cce 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2850,10 +2850,6 @@ config COMPAT
 if COMPAT
 config COMPAT_FOR_U64_ALIGNMENT
 	def_bool y
-
-config SYSVIPC_COMPAT
-	def_bool y
-	depends on SYSVIPC
 endif
 
 endmenu
diff --git a/init/Kconfig b/init/Kconfig
index 4b7bac10c72d..aa0d63677c82 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -386,6 +386,10 @@ config SYSVIPC_SYSCTL
 	depends on SYSCTL
 	default y
 
+config SYSVIPC_COMPAT
+	def_bool y
+	depends on COMPAT && SYSVIPC
+
 config POSIX_MQUEUE
 	bool "POSIX Message Queues"
 	depends on NET
-- 
2.25.1