x86, espfix: Make espfix64 a Kconfig option, fix UML
authorH. Peter Anvin <hpa@zytor.com>
Sun, 4 May 2014 17:00:49 +0000 (10:00 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Aug 2014 21:30:26 +0000 (14:30 -0700)
commitcd4033c9ed9e9abf51a3fb033c34daff2ca8df24
tree672852bd2aa77740c75f3bd640a6f85b1f6c3a3d
parentcd91e9adf307219809355ad19509e0411d6d0a8c
x86, espfix: Make espfix64 a Kconfig option, fix UML

commit 197725de65477bc8509b41388157c1a2283542bb upstream.

Make espfix64 a hidden Kconfig option.  This fixes the x86-64 UML
build which had broken due to the non-existence of init_espfix_bsp()
in UML: since UML uses its own Kconfig, this option does not appear in
the UML build.

This also makes it possible to make support for 16-bit segments a
configuration option, for the people who want to minimize the size of
the kernel.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Richard Weinberger <richard@nod.at>
Link: http://lkml.kernel.org/r/1398816946-3351-1-git-send-email-hpa@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/Kconfig
arch/x86/kernel/Makefile
arch/x86/kernel/smpboot.c
init/main.c