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author | pirzyk <pirzyk@FreeBSD.org> | 2002-10-14 19:33:12 +0000 |
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committer | pirzyk <pirzyk@FreeBSD.org> | 2002-10-14 19:33:12 +0000 |
commit | 0bdb757b1abd0d2ef8428f0dbf05e27ee319f61c (patch) | |
tree | a151a94dfb202dce8ca1978e867a6aa99ae43fc1 /sys/conf | |
parent | e74d131cbcc61445492e898f49fb7706185e5616 (diff) | |
download | FreeBSD-src-0bdb757b1abd0d2ef8428f0dbf05e27ee319f61c.zip FreeBSD-src-0bdb757b1abd0d2ef8428f0dbf05e27ee319f61c.tar.gz |
Add a knob to turn on and off the CMPXCHG instruction on > i386 IA32 systems.
This is most beneficial for vmware client os installs.
Reviewed by: jmallet, iedowse, tlambert2@mindspring.com
MFC After: never, -STABLE does not currently use this instruction
Diffstat (limited to 'sys/conf')
-rw-r--r-- | sys/conf/options.i386 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/conf/options.i386 b/sys/conf/options.i386 index 289f0f6..4c553bb 100644 --- a/sys/conf/options.i386 +++ b/sys/conf/options.i386 @@ -64,6 +64,7 @@ NO_MEMORY_HOLE opt_cpu.h CPU_ENABLE_SSE opt_cpu.h CPU_ATHLON_SSE_HACK opt_cpu.h CPU_DISABLE_SSE opt_cpu.h +CPU_DISABLE_CMPXCHG opt_global.h # The CPU type affects the endian conversion functions all over the kernel. I386_CPU opt_global.h |