FreeBSD Bugzilla – Attachment 11012 Details for
Bug 21852
[PATCH] [TINY] Clarify NO_F00F_HACK option in NOTES
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[patch]
file.diff
file.diff (text/plain), 762 bytes, created by
DougB
on 2000-10-09 07:50:02 UTC
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file.diff
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Creator:
DougB
Created:
2000-10-09 07:50:02 UTC
Size:
762 bytes
patch
obsolete
>Index: NOTES >=================================================================== >RCS file: /usr/ncvs/src/sys/i386/conf/NOTES,v >retrieving revision 1.833 >diff -u -r1.833 NOTES >--- NOTES 2000/10/08 14:46:04 1.833 >+++ NOTES 2000/10/09 06:42:24 >@@ -215,8 +215,8 @@ > # > # NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY > # Pentiums) from locking up when a LOCK CMPXCHG8B instruction is >-# executed. This should be included for ALL kernels that won't run >-# on a Pentium. >+# executed. This option is only needed if I586_CPU is also defined, >+# and should be included for any non-Pentium CPU that defines it. > # > # NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors > # which indicates that the 15-16MB range is *definitely* not being
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bug 21852
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