diff options
| author | Matt Mackall <mpm@selenic.com> | 2006-01-08 01:05:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:14:11 -0800 |
| commit | 64ca9004b819ab87648dbfc78f3ef49ee491343e (patch) | |
| tree | 9b5daef5280800a0006343a17f63072658d91a1d /init | |
| parent | 708e9a794cf8822b760edaccd9053edb07c34d19 (diff) | |
| download | lwn-64ca9004b819ab87648dbfc78f3ef49ee491343e.tar.gz lwn-64ca9004b819ab87648dbfc78f3ef49ee491343e.zip | |
[PATCH] Make vm86 support optional
This adds an option to remove vm86 support under CONFIG_EMBEDDED. Saves
about 5k.
This version eliminates most of the #ifdefs of the previous version and
instead uses function stubs in vm86.h. Also, release_vm86_irqs is moved
from asm-i386/irq.h to a more appropriate home in vm86.h so that the stubs
can live together.
$ size vmlinux-baseline vmlinux-novm86
text data bss dec hex filename
2920821 523232 190652 3634705 377611 vmlinux-baseline
2916268 523100 190492 3629860 376324 vmlinux-novm86
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 9ac522a40130..f8f6929d8f25 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -237,6 +237,16 @@ config UID16 help This enables the legacy 16-bit UID syscall wrappers. +config VM86 + depends X86 + default y + bool "Enable VM86 support" if EMBEDDED + help + This option is required by programs like DOSEMU to run 16-bit legacy + code on X86 processors. It also may be needed by software like + XFree86 to initialize some video cards via BIOS. Disabling this + option saves about 6k. + config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size (Look out for broken compilers!)" default y |