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SubjectRe: architectures with ARCH_SUPPORTS_AOUT but no binfmt_aout
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Date
On Tue, 2008-06-17 at 13:11 +0300, Adrian Bunk wrote:
> The pattern for this stuff is to provide a HAVE_AOUT kconfig variable
> that gets select'ed by these architectures.

http://git.infradead.org/users/dwmw2/aout-2.6.git?a=commitdiff;h=a5db5179

Subject: [PATCH] Introduce HAVE_AOUT symbol to remove hard-coded arch list for BINFMT_AOUT

HAVE_AOUT doesn't quite do the same thing as the recently removed
ARCH_SUPPORTS_AOUT config option. That was set even on platforms where
binfmt_aout isn't supported, although it's not entirely clear why.

So it's best just to introduce a new symbol, handled consistently with
other similar HAVE_xxx symbols; with a simple 'select' the arch Kconfig.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---
arch/alpha/Kconfig | 1 +
arch/arm/Kconfig | 1 +
arch/m68k/Kconfig | 1 +
arch/x86/Kconfig | 1 +
fs/Kconfig.binfmt | 5 ++++-
5 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 207196e..f80e548 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -7,6 +7,7 @@ config ALPHA
default y
select HAVE_IDE
select HAVE_OPROFILE
+ select HAVE_AOUT
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8fd3ab3..2be8bd7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -14,6 +14,7 @@ config ARM
select HAVE_OPROFILE
select HAVE_KPROBES if (!XIP_KERNEL)
select HAVE_KRETPROBES if (HAVE_KPROBES)
+ select HAVE_AOUT
help
The ARM series is a line of low-power-consumption RISC chip designs
licensed by ARM Ltd and targeted at embedded applications and
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index bfb6395..83c4338 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -6,6 +6,7 @@ config M68K
bool
default y
select HAVE_IDE
+ select HAVE_AOUT

config MMU
bool
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8fdaa70..bd066ae 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -25,6 +25,7 @@ config X86
select HAVE_KRETPROBES
select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
select HAVE_ARCH_KGDB if !X86_VOYAGER
+ select HAVE_AOUT if X86_32

config ARCH_DEFCONFIG
string
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 0999d5c..5592e08 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -59,9 +59,12 @@ config BINFMT_SHARED_FLAT
help
Support FLAT shared libraries

+config HAVE_AOUT
+ def_bool n
+
config BINFMT_AOUT
tristate "Kernel support for a.out and ECOFF binaries"
- depends on (X86_32 || ALPHA || ARM || M68K)
+ depends on HAVE_AOUT
---help---
A.out (Assembler.OUTput) is a set of formats for libraries and
executables used in the earliest versions of UNIX. Linux used
--
1.5.5.1

--
dwmw2



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