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| author | H. Peter Anvin <hpa@zytor.com> | 2009-05-06 08:20:51 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-09 04:16:22 +0400 |
| commit | 845adf7266a7ba6970bf982ffd96abc60d2018ab (patch) | |
| tree | d27c42ba2b3b58dffcc0bfd8c3bf2ad7c161746b | |
| parent | d3dd3b5a29bb9582957451531fed461628dfc834 (diff) | |
| download | linux-845adf7266a7ba6970bf982ffd96abc60d2018ab.tar.xz | |
x86: add a Kconfig symbol for when relocations are needed
We only need to build relocations when we are building a 32-bit
relocatable kernel. Rather than unnecessarily complicating the
Makefiles, make an explicit Kbuild symbol for this.
[ Impact: permits future cleanup ]
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
| -rw-r--r-- | arch/x86/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 039c3f04aac5..5aee45356b58 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1513,6 +1513,11 @@ config RELOCATABLE it has been loaded at and the compile time physical address (CONFIG_PHYSICAL_START) is ignored. +# Relocation on x86-32 needs some additional build support +config X86_NEED_RELOCS + def_bool y + depends on X86_32 && RELOCATABLE + config PHYSICAL_ALIGN hex prompt "Alignment value to which kernel should be aligned" if X86_32 |