Jung-uk Kim e94d5ad227 Do not use TSC for DELAY(9) if it not P-state invariant to avoid possible ... foot-shooting. DELAY() becomes unreliable when TSC frequency varies wildly, especially cpufreq(4) and powerd(8) are used at the same time.		2011-04-12 22:41:52 +00:00
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acpica	Remove unneeded includes of <sys/linker_set.h>. Other headers that use	2011-01-11 13:59:06 +00:00
bios
cpufreq	Use atomic load & store for TSC frequency. It may be overkill for amd64 but	2011-04-07 23:28:28 +00:00
include	Copy powerpc/include/_inttypes.h to x86 and replace i386/amd64/pc98	2011-01-08 18:09:48 +00:00
isa	Do not use TSC for DELAY(9) if it not P-state invariant to avoid possible	2011-04-12 22:41:52 +00:00
pci	Each processor socket in a QPI system has a special PCI bus for the	2010-09-07 13:50:02 +00:00
x86	Probe capability to find effective frequency. When the TSC is P-state	2011-04-12 22:15:46 +00:00