[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>
This commit is contained in:

committed by
Linus Torvalds

parent
708e9a794c
commit
64ca9004b8
10
init/Kconfig
10
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
|
||||
|
Reference in New Issue
Block a user