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x86: Deprecate a.out support 

Linux supports ELF binaries for ~25 years now.  a.out coredumping has
bitrotten quite significantly and would need some fixing to get it into
shape again but considering how even the toolchains cannot create a.out
executables in its default configuration, let's deprecate a.out support
and remove it a couple of releases later, instead.

Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Richard Weinberger <richard@nod.at>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Jann Horn <jannh@google.com>
Cc: <linux-api@vger.kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <x86@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Borislav Petkov 2019-03-05 15:47:51 +01:00 committed by Linus Torvalds
parent 08300f4402
commit eac6165570
2 changed files with 1 additions and 2 deletions
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2
arch/x86/Kconfig
View File

@ -14,7 +14,6 @@ config X86_32
select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_IPC_PARSE_VERSION
select CLKSRC_I8253 select CLKSRC_I8253
select CLONE_BACKWARDS select CLONE_BACKWARDS
select HAVE_AOUT
select HAVE_GENERIC_DMA_COHERENT select HAVE_GENERIC_DMA_COHERENT
select MODULES_USE_ELF_REL select MODULES_USE_ELF_REL
select OLD_SIGACTION select OLD_SIGACTION
@ -2843,6 +2842,7 @@ config IA32_EMULATION
config IA32_AOUT config IA32_AOUT
tristate "IA32 a.out support" tristate "IA32 a.out support"
depends on IA32_EMULATION depends on IA32_EMULATION
depends on BROKEN
---help--- ---help---
Support old a.out binaries in the 32bit emulation. Support old a.out binaries in the 32bit emulation.

1
arch/x86/um/Kconfig
View File

@ -16,7 +16,6 @@ config 64BIT
config X86_32 config X86_32
def_bool !64BIT def_bool !64BIT
select HAVE_AOUT
select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_IPC_PARSE_VERSION
select MODULES_USE_ELF_REL select MODULES_USE_ELF_REL
select CLONE_BACKWARDS select CLONE_BACKWARDS