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 /arch/i386/kernel/entry.S | |
| parent | 708e9a794cf8822b760edaccd9053edb07c34d19 (diff) | |
| download | op-kernel-dev-64ca9004b819ab87648dbfc78f3ef49ee491343e.zip op-kernel-dev-64ca9004b819ab87648dbfc78f3ef49ee491343e.tar.gz | |
[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 'arch/i386/kernel/entry.S')
| -rw-r--r-- | arch/i386/kernel/entry.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S index 607c060..4d70472 100644 --- a/arch/i386/kernel/entry.S +++ b/arch/i386/kernel/entry.S @@ -323,6 +323,7 @@ work_notifysig: # deal with pending signals and ALIGN work_notifysig_v86: +#ifdef CONFIG_VM86 pushl %ecx # save ti_flags for do_notify_resume call save_v86_state # %eax contains pt_regs pointer popl %ecx @@ -330,6 +331,7 @@ work_notifysig_v86: xorl %edx, %edx call do_notify_resume jmp resume_userspace +#endif # perform syscall exit tracing ALIGN |
