njl 2007-06-28 21:26:12 UTC
FreeBSD src repository
Modified files:(Branch: RELENG_6)
sys/i386/cpufreq smist.c
Log:
MFC: use busdma to get a page for activating speedstep mode.
Revision ChangesPath
1.1.2.1 +72 -17src/sys/i386/cpufreq/smist.c
njl 2007-06-17 07:18:23 UTC
FreeBSD src repository
Modified files:
sys/i386/cpufreq smist.c
Log:
Use bus_dma to get a page in the first 4 GB. Since the physical address
of the magic string is passed in a 32-bit register, we can't use high
memory in the PAE case.
