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[PATCH] disallow modular binfmt_elf32

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Currently most architectures either always build binfmt_elf32 in the kernel
image or make it a boolean option.  Only sparc64 and s390 allow to build it
modularly.  This patch turns the option into a boolean aswell because elf
requires various symbols that shouldn't be available to modules.  The most
urgent one is tasklist_lock whos export this patch series kills, but there
are others like force_sgi aswell.

Note that sparc doesn't allow a modular 32bit a.out handler either, and
that would be the more useful case as only few people want 32bit sunos
compatibility and 99.9% of all sparc64 users need 32bit linux native elf
support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: "David S. Miller" <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Hellwig 2006-07-10 04:45:38 -07:00 committed by Linus Torvalds
parent 5c318bef5f
commit 289fbc21ea
2 changed files with 2 additions and 2 deletions
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2
arch/s390/Kconfig
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@ -119,7 +119,7 @@ config SYSVIPC_COMPAT
default y
config BINFMT_ELF32
tristate "Kernel support for 31 bit ELF binaries"
bool "Kernel support for 31 bit ELF binaries"
depends on COMPAT
help
This allows you to run 32-bit Linux/ELF binaries on your zSeries

2
arch/sparc64/Kconfig
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@ -334,7 +334,7 @@ config COMPAT
default y
config BINFMT_ELF32
tristate "Kernel support for 32-bit ELF binaries"
bool "Kernel support for 32-bit ELF binaries"
depends on SPARC32_COMPAT
help
This allows you to run 32-bit Linux/ELF binaries on your Ultra.