summaryrefslogtreecommitdiff
path: root/bpf_parser.y
diff options
context:
space:
mode:
authorTobias Klauser <tklauser@distanz.ch>2015-04-27 16:27:17 +0200
committerTobias Klauser <tklauser@distanz.ch>2015-04-27 16:27:17 +0200
commit613be40b15d8e645a188a003b2b125b2e3aced8b (patch)
tree35b6249f7c392e3c49def91d0d3688974e4461fa /bpf_parser.y
parentd312a25879d5826ff1ca638410bbd36ba2619d93 (diff)
pkt_buff: Change type of link_type field
The link type is handled as uint32_t in the rest of the code base so use that type here as well. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'bpf_parser.y')
0 files changed, 0 insertions, 0 deletions
s when the HWP.EPP (Energy Performance Preference) is set to "balance_power" (0x80) -- the default on most systems. It occurs because the platform BIOS may erroneously enable an energy-efficiency setting -- MSR_IA32_POWER_CTL BIT-EE, which is not recommended to be enabled on this SKU. On the failing systems, this BIOS issue was not discovered when the desktop motherboard was tested with Windows, because the BIOS also neglects to provide the ACPI/CPPC table, that Windows requires to enable HWP, and so Windows runs in legacy P-state mode, where this setting has no effect. Linux' intel_pstate driver does not require ACPI/CPPC to enable HWP, and so it runs in HWP mode, exposing this incorrect BIOS configuration. There are several ways to address this problem. First, Linux can also run in legacy P-state mode on this system. As intel_pstate is how Linux enables HWP, booting with "intel_pstate=disable" will run in acpi-cpufreq/ondemand legacy p-state mode. Or second, the "performance" governor can be used with intel_pstate, which will modify HWP.EPP to 0. Or third, starting in 4.10, the /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference attribute in can be updated from "balance_power" to "performance". Or fourth, apply this patch, which fixes the erroneous setting of MSR_IA32_POWER_CTL BIT_EE on this model, allowing the default configuration to function as designed. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Cc: 4.6+ <stable@vger.kernel.org> # 4.6+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'net/mac80211/main.c')