Commit 289fbc21 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds

[PATCH] disallow modular binfmt_elf32

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: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatar"David S. Miller" <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5c318bef
......@@ -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
......
......@@ -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.
......
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