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Message-Id: <1349367357-13865-2-git-send-email-catalin.marinas@arm.com>
Date: Thu, 4 Oct 2012 17:15:54 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Russell King <linux@....linux.org.uk>,
Mike Frysinger <vapier@...too.org>,
Mikael Starvik <starvik@...s.com>,
Jesper Nilsson <jesper.nilsson@...s.com>,
David Howells <dhowells@...hat.com>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Paul Mundt <lethal@...ux-sh.org>,
"David S. Miller" <davem@...emloft.net>,
Jeff Dike <jdike@...toit.com>,
Richard Weinberger <richard@....at>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH v2 1/4] Clean up the long arch list for the UID16 config option
This patch introduces HAVE_UID16 config option and selects it in
corresponding architecture Kconfig files. UID16 now only depends on
HAVE_UID16.
Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Russell King <linux@....linux.org.uk>
Cc: Mike Frysinger <vapier@...too.org>
Cc: Mikael Starvik <starvik@...s.com>
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Paul Mundt <lethal@...ux-sh.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jeff Dike <jdike@...toit.com>
Cc: Richard Weinberger <richard@....at>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: x86@...nel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
arch/arm/Kconfig | 1 +
arch/arm64/Kconfig | 1 +
arch/blackfin/Kconfig | 1 +
arch/cris/Kconfig | 1 +
arch/frv/Kconfig | 1 +
arch/h8300/Kconfig | 1 +
arch/m68k/Kconfig | 1 +
arch/s390/Kconfig | 1 +
arch/sh/Kconfig | 1 +
arch/sparc/Kconfig | 2 ++
arch/um/Kconfig.common | 1 +
arch/x86/Kconfig | 2 ++
init/Kconfig | 6 ++++--
13 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7bab17e..31af8e4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -38,6 +38,7 @@ config ARM
select HARDIRQS_SW_RESEND
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
+ select HAVE_UID16
select ARCH_WANT_IPC_PARSE_VERSION
select HARDIRQS_SW_RESEND
select CPU_PM if (SUSPEND || CPU_IDLE)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 767ba56..e61acae 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -193,6 +193,7 @@ config COMPAT
bool "Kernel support for 32-bit EL0"
depends on !ARM64_64K_PAGES
select COMPAT_BINFMT_ELF
+ select HAVE_UID16
help
This option enables support for a 32-bit EL0 running under a 64-bit
kernel at EL1. AArch32-specific components such as system calls,
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index c7092e6..2169889 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -33,6 +33,7 @@ config BLACKFIN
select HAVE_PERF_EVENTS
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_WANT_OPTIONAL_GPIOLIB
+ select HAVE_UID16
select ARCH_WANT_IPC_PARSE_VERSION
select HAVE_GENERIC_HARDIRQS
select GENERIC_ATOMIC64
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 72bd5ae..a118163 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -42,6 +42,7 @@ config CRIS
select HAVE_IDE
select GENERIC_ATOMIC64
select HAVE_GENERIC_HARDIRQS
+ select HAVE_UID16
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_IRQ_SHOW
select GENERIC_IOMAP
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 971c0a1..cc5709d 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -5,6 +5,7 @@ config FRV
select HAVE_ARCH_TRACEHOOK
select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
+ select HAVE_UID16
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select ARCH_HAVE_NMI_SAFE_CMPXCHG
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 5e8a0d9..90462eb 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -3,6 +3,7 @@ config H8300
default y
select HAVE_IDE
select HAVE_GENERIC_HARDIRQS
+ select HAVE_UID16
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index b22df94..3e2b2f6 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -6,6 +6,7 @@ config M68K
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_ATOMIC64
+ select HAVE_UID16
select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
select GENERIC_CPU_DEVICES
select GENERIC_STRNCPY_FROM_USER if MMU
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f9acddd..c19e7ec 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -126,6 +126,7 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_BH
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+ select HAVE_UID16 if 32BIT
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 36f5141..f0c85e4 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -21,6 +21,7 @@ config SUPERH
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_XZ
select HAVE_KERNEL_LZO
+ select HAVE_UID16
select ARCH_WANT_IPC_PARSE_VERSION
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_REGS_AND_STACK_ACCESS_API
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 67f1f6f..e664810 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -42,6 +42,7 @@ config SPARC32
def_bool !64BIT
select GENERIC_ATOMIC64
select CLZ_TAB
+ select HAVE_UID16
config SPARC64
def_bool 64BIT
@@ -571,6 +572,7 @@ config COMPAT
depends on SPARC64
default y
select COMPAT_BINFMT_ELF
+ select HAVE_UID16
select ARCH_WANT_OLD_COMPAT_IPC
config SYSVIPC_COMPAT
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index cb837c2..648121b 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -7,6 +7,7 @@ config UML
bool
default y
select HAVE_GENERIC_HARDIRQS
+ select HAVE_UID16
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
select GENERIC_IO
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7f9a395..2e84642 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -10,6 +10,7 @@ config X86_32
def_bool y
depends on !64BIT
select CLKSRC_I8253
+ select HAVE_UID16
config X86_64
def_bool y
@@ -2173,6 +2174,7 @@ config IA32_EMULATION
bool "IA32 Emulation"
depends on X86_64
select COMPAT_BINFMT_ELF
+ select HAVE_UID16
---help---
Include code to run legacy 32-bit programs under a
64-bit kernel. You should likely turn this on, unless you're
diff --git a/init/Kconfig b/init/Kconfig
index cb003a3..f8de091 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1125,10 +1125,12 @@ menuconfig EXPERT
environments which can tolerate a "non-standard" kernel.
Only use this if you really know what you are doing.
+config HAVE_UID16
+ bool
+
config UID16
bool "Enable 16-bit UID system calls" if EXPERT
- depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) \
- || AARCH32_EMULATION
+ depends on HAVE_UID16
default y
help
This enables the legacy 16-bit UID syscall wrappers.
--
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