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Correct text about shared page for HPET registers

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The shared page maps HPET registers; HPET does not do the mapping.

Reported by:	kib
Pointy-hat to:	bjk
This commit is contained in:
Benjamin Kaduk 2016-11-14 13:05:21 +00:00
parent e3d0b8610a
commit 9d8e38f5c6
Notes: 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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en_US.ISO8859-1/htdocs/news/status/report-2016-07-2016-09.xml
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@ -1421,7 +1421,7 @@
enhanced to allow syscall-less operation on machines that use enhanced to allow syscall-less operation on machines that use
HPET hardwire for timecounters. The HPET algorithm coexists HPET hardwire for timecounters. The HPET algorithm coexists
with older RDTSC-based code, allowing dynamic switching of with older RDTSC-based code, allowing dynamic switching of
timecounters. HPET registers a page that is timecounters. A page with HPET registers is
<tt>mmap(2)</tt>-ed readonly by libc into userland application <tt>mmap(2)</tt>-ed readonly by libc into userland application
programs' address space as needed. Measurements demonstrated programs' address space as needed. Measurements demonstrated
modest improvements in <tt>gettimeofday(2)</tt> performance, modest improvements in <tt>gettimeofday(2)</tt> performance,