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(parent: 9a7836d) | patch
Add a tunable "machdep.disable_tsc" to turn off TSC. Specifically, it turns
authorJung-uk Kim <jkim@FreeBSD.org>
Fri, 11 Mar 2011 00:44:32 +0000 (00:44 +0000)
committerJung-uk Kim <jkim@FreeBSD.org>
Fri, 11 Mar 2011 00:44:32 +0000 (00:44 +0000)
commit79422085d49358af16e00ab015fe2601692235e9
treec5a4a6ac9d73738d09f204667eb641e541525a80tree | snapshot
parent9a7836dce17a07d1b0bdede21f9d8d3dfa0ab599commit | diff
Add a tunable "machdep.disable_tsc" to turn off TSC.  Specifically, it turns
off boot-time CPU frequency calibration, DELAY(9) with TSC, and using TSC as
a CPU ticker.  Note tsc_present does not change by this tunable.
sys/amd64/amd64/machdep.c diff | blob | history
sys/contrib/altq/altq/altq_subr.c diff | blob | history
sys/i386/i386/machdep.c diff | blob | history
sys/pc98/pc98/machdep.c diff | blob | history
sys/x86/x86/tsc.c diff | blob | history
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