Am Dienstag, 5. März 2019, 15:59:52 CET schrieb Borislav Petkov: > + akpm and Linus. > > On Tue, Mar 05, 2019 at 01:43:47PM +0000, Alan Cox wrote: > > > It's been 25 years since Linux added support for ELF. Can we just > > > delete the a.out support entirely now? According to the Linux-ELF HOWTO, > > > support was added in 1.1.52 (August 1994). It's pretty much necromancy > > > at this point. > > > > In the unlikely event that someone actually has an a.out binary they > > can't live with they can also just write an a.out loader as an ELF > > program entirely in userspace. > > > > I'd vote for giving it the boot unless there are any architectures that > > kept using a.out far longer due to tool chain issues ? > > We can at least deprecate it on x86... > > --- > From: Borislav Petkov <bp@xxxxxxx> > Date: Tue, 5 Mar 2019 15:47:51 +0100 > Subject: [PATCH] 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@xxxxxxx> > Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx> > Cc: Jann Horn <jannh@xxxxxxxxxx> > Cc: <linux-api@xxxxxxxxxxxxxxx> > Cc: <linux-fsdevel@xxxxxxxxxxxxxxx> > Cc: lkml <linux-kernel@xxxxxxxxxxxxxxx> > Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> > Cc: Richard Weinberger <richard@xxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: <x86@xxxxxxxxxx> > --- > arch/x86/Kconfig | 2 +- > arch/x86/um/Kconfig | 1 - > 2 files changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 68261430fe6e..ade12ec4224b 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -14,7 +14,6 @@ config X86_32 > select ARCH_WANT_IPC_PARSE_VERSION > select CLKSRC_I8253 > select CLONE_BACKWARDS > - select HAVE_AOUT > select HAVE_GENERIC_DMA_COHERENT > select MODULES_USE_ELF_REL > select OLD_SIGACTION > @@ -2843,6 +2842,7 @@ config IA32_EMULATION > config IA32_AOUT > tristate "IA32 a.out support" > depends on IA32_EMULATION > + depends on BROKEN > ---help--- > Support old a.out binaries in the 32bit emulation. > > diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig > index f518b4744ff8..494eeb51e4e1 100644 > --- a/arch/x86/um/Kconfig > +++ b/arch/x86/um/Kconfig > @@ -16,7 +16,6 @@ config 64BIT > > config X86_32 > def_bool !64BIT > - select HAVE_AOUT > select ARCH_WANT_IPC_PARSE_VERSION > select MODULES_USE_ELF_REL > select CLONE_BACKWARDS > For UML, Acked-by: Richard Weinberger <richard@xxxxxx> Thanks, //richard
