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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-02-01 00:41:33 -0800 |
commit | 10a558374f3751cf4eb55143008975641dfc2cf4 (patch) | |
tree | aab0def9d2289f6520ffb62ec4c1d738135447c4 /Documentation/ABI/testing/sysfs-devices-system-cpu | |
parent | fafef982c7353e8982b951e40573e990ccf0ed00 (diff) | |
parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
download | linux-10a558374f3751cf4eb55143008975641dfc2cf4.tar.bz2 |
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-system-cpu')
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index f3d5817c4ef0..bfd29bc8d37a 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -187,7 +187,8 @@ Description: Processor frequency boosting control This switch controls the boost setting for the whole system. Boosting allows the CPU and the firmware to run at a frequency beyound it's nominal limit. - More details can be found in Documentation/cpu-freq/boost.txt + More details can be found in + Documentation/admin-guide/pm/cpufreq.rst What: /sys/devices/system/cpu/cpu#/crash_notes @@ -223,7 +224,8 @@ Description: Parameters for the Intel P-state driver no_turbo: limits the driver to selecting P states below the turbo frequency range. - More details can be found in Documentation/cpu-freq/intel-pstate.txt + More details can be found in + Documentation/admin-guide/pm/intel_pstate.rst What: /sys/devices/system/cpu/cpu*/cache/index*/<set_of_attributes_mentioned_below> Date: July 2014(documented, existed before August 2008) @@ -373,3 +375,19 @@ Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> Description: information about CPUs heterogeneity. cpu_capacity: capacity of cpu#. + +What: /sys/devices/system/cpu/vulnerabilities + /sys/devices/system/cpu/vulnerabilities/meltdown + /sys/devices/system/cpu/vulnerabilities/spectre_v1 + /sys/devices/system/cpu/vulnerabilities/spectre_v2 +Date: January 2018 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: Information about CPU vulnerabilities + + The files are named after the code names of CPU + vulnerabilities. The output of those files reflects the + state of the CPUs in the system. Possible output values: + + "Not affected" CPU is not affected by the vulnerability + "Vulnerable" CPU is affected and no mitigation in effect + "Mitigation: $M" CPU is affected and mitigation $M is in effect |