Correct text about shared page for HPET registers
The shared page maps HPET registers; HPET does not do the mapping. Reported by: kib Pointy-hat to: bjk
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svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=49670
1 changed files with 1 additions and 1 deletions
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@ -1421,7 +1421,7 @@
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enhanced to allow syscall-less operation on machines that use
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HPET hardwire for timecounters. The HPET algorithm coexists
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with older RDTSC-based code, allowing dynamic switching of
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timecounters. HPET registers a page that is
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timecounters. A page with HPET registers is
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<tt>mmap(2)</tt>-ed readonly by libc into userland application
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programs' address space as needed. Measurements demonstrated
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modest improvements in <tt>gettimeofday(2)</tt> performance,
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