diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-06-25 20:32:43 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-06-25 20:32:43 +0200 |
| commit | cf38ab75fc7549ab7c7e3f146228a821ae68926c (patch) | |
| tree | 1390cbfeba968f5536e4132a795fee27cab07e5d /sys | |
| parent | c01833286b91b80caf56fd370ccc99060eb86a4a (diff) | |
reintroduce *notsc= option
the issues with the previous tsc change where not related to the tsc
but where problems with timesync using an old frequency file. a
patch to fix timesync was commited, so so we reintroduce the *notsc=
again.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/man/8/plan9.ini | 3 | ||||
| -rw-r--r-- | sys/src/9/pc/archacpi.c | 2 | ||||
| -rw-r--r-- | sys/src/9/pc/archmp.c | 2 |
3 files changed, 5 insertions, 2 deletions
diff --git a/sys/man/8/plan9.ini b/sys/man/8/plan9.ini index 9e82444f6..deac7794b 100644 --- a/sys/man/8/plan9.ini +++ b/sys/man/8/plan9.ini @@ -730,6 +730,9 @@ processors. Prints a summary of the multiprocessor APIC interrupt configuration. .SS \fL*nomsi=\fP Disables message signaled interrupts. +.SS \fL*notsc=\fP +Disables the use of the per processor timestamp counter registers +as high resolution clock. .SS \fL*pcimaxbno=value\fP This puts a limit on the maximum bus number probed on a PCI bus (default 7). diff --git a/sys/src/9/pc/archacpi.c b/sys/src/9/pc/archacpi.c index 24b3245bc..45e3b938d 100644 --- a/sys/src/9/pc/archacpi.c +++ b/sys/src/9/pc/archacpi.c @@ -519,7 +519,7 @@ identify(void) return 1; if((cp = getconf("*nomp")) != nil && strcmp(cp, "0") != 0) return 1; - if(m->havetsc) + if(m->havetsc && getconf("*notsc") == nil) archacpi.fastclock = tscticks; return 0; } diff --git a/sys/src/9/pc/archmp.c b/sys/src/9/pc/archmp.c index 23cf4fa66..b5eb89805 100644 --- a/sys/src/9/pc/archmp.c +++ b/sys/src/9/pc/archmp.c @@ -395,7 +395,7 @@ identify(void) return 1; } - if(m->havetsc) + if(m->havetsc && getconf("*notsc") == nil) archmp.fastclock = tscticks; return 0; |