diff options
| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2008-08-05 11:45:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-18 16:05:48 +0200 |
| commit | 8d02c2110b3fb8e2700b31596a582a2989fd72ba (patch) | |
| tree | c56374a7151020a580504a6fd8669cea9b7d629a /include/asm-x86 | |
| parent | 774400a3ba23b63f4de39e67ce6c4e48935809dc (diff) | |
x86: configuration options to compile out x86 CPU support code
This patch adds some configuration options that allow to compile out
CPU vendor-specific code in x86 kernels (in arch/x86/kernel/cpu). The
new configuration options are only visible when CONFIG_EMBEDDED is
selected, as they are mostly interesting for space savings reasons.
An example of size saving, on x86 with only Intel CPU support:
text data bss dec hex filename
1125479 118760 212992 1457231 163c4f vmlinux.old
1121355 116536 212992 1450883 162383 vmlinux
-4124 -2224 0 -6348 -18CC +/-
However, I'm not exactly sure that the Kconfig wording is correct with
regard to !64BIT / 64BIT.
[ mingo@elte.hu: convert macro to inline ]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/bugs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h index 021cbdd5f258..00e4a0cd6f28 100644 --- a/include/asm-x86/bugs.h +++ b/include/asm-x86/bugs.h @@ -2,6 +2,11 @@ #define _ASM_X86_BUGS_H extern void check_bugs(void); + +#ifdef CONFIG_CPU_SUP_INTEL_32 int ppro_with_ram_bug(void); +#else +static inline int ppro_with_ram_bug(void) { return 0; } +#endif #endif /* _ASM_X86_BUGS_H */ |