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authorpirzyk <pirzyk@FreeBSD.org>2002-10-14 19:33:12 +0000
committerpirzyk <pirzyk@FreeBSD.org>2002-10-14 19:33:12 +0000
commit0bdb757b1abd0d2ef8428f0dbf05e27ee319f61c (patch)
treea151a94dfb202dce8ca1978e867a6aa99ae43fc1 /sys/conf
parente74d131cbcc61445492e898f49fb7706185e5616 (diff)
downloadFreeBSD-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.i3861
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
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