freebsd-dev/sys/x86
Conrad Meyer 556a1a0bc6 hwpstate_intel(4): Add fallback EPP using PERF_BIAS MSR
Per Intel SDM (Vol 3b Part 2), if HWP indicates EPP (energy-performance
preference) is not supported, the hardware instead uses the ENERGY_PERF_BIAS
MSR.  In the epp sysctl handler, fall back to that MSR if HWP does not
support EPP and CPUID indicates the ENERGY_PERF_BIAS MSR is supported.
2020-02-01 19:49:13 +00:00
..
acpica Extract eventfilter declarations to sys/_eventfilter.h 2019-05-20 00:38:23 +00:00
bios sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
conf Floppy driver really only works on x86 2019-08-12 22:58:50 +00:00
cpufreq hwpstate_intel(4): Add fallback EPP using PERF_BIAS MSR 2020-02-01 19:49:13 +00:00
include hwpstate_intel(4): Add fallback EPP using PERF_BIAS MSR 2020-02-01 19:49:13 +00:00
iommu Correct the use of RB_AUGMENT in the RB_TREE macros so that is invoked 2020-01-27 15:09:13 +00:00
isa Fix amd64/i386 LINT build after r344982 2019-03-11 19:46:15 +00:00
pci Add pci_early function to detect Intel stolen memory. 2018-10-31 23:17:00 +00:00
x86 x86: Add/amend some power-management comments/macros 2020-02-01 19:46:02 +00:00
xen xen: fix dispatching of NMIs 2019-11-12 10:31:28 +00:00