diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-class-cxl (renamed from Documentation/ABI/testing/sysfs-class-cxl) | 3 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices | 24 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-events | 10 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-watchdog | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-livepatch | 9 |
5 files changed, 43 insertions, 5 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/obsolete/sysfs-class-cxl index cfc48a87706b..8cba1b626985 100644 --- a/Documentation/ABI/testing/sysfs-class-cxl +++ b/Documentation/ABI/obsolete/sysfs-class-cxl @@ -1,3 +1,6 @@ +The cxl driver is no longer maintained, and will be removed from the kernel in +the near future. + Please note that attributes that are shared between devices are stored in the directory pointed to by the symlink device/. For example, the real path of the attribute /sys/class/cxl/afu0.0s/irqs_max is diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices b/Documentation/ABI/testing/sysfs-bus-event_source-devices new file mode 100644 index 000000000000..79b268319df1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices @@ -0,0 +1,24 @@ +What: /sys/bus/event_source/devices/<pmu> +Date: 2014/02/24 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: Performance Monitoring Unit (<pmu>) + + Each <pmu> directory, for a PMU device, is a name + optionally followed by an underscore and then either a + decimal or hexadecimal number. For example, cpu is a + PMU name without a suffix as is intel_bts, + uncore_imc_0 is a PMU name with a 0 numeric suffix, + ddr_pmu_87e1b0000000 is a PMU name with a hex + suffix. The hex suffix must be more than two + characters long to avoid ambiguity with PMUs like the + S390 cpum_cf. + + Tools can treat PMUs with the same name that differ by + suffix as instances of the same PMU for the sake of, + for example, opening an event. For example, the PMUs + uncore_imc_free_running_0 and + uncore_imc_free_running_1 have an event data_read; + opening the data_read event on a PMU specified as + uncore_imc_free_running should be treated as opening + the data_read event on PMU uncore_imc_free_running_0 + and PMU uncore_imc_free_running_1. diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events b/Documentation/ABI/testing/sysfs-bus-event_source-devices-events index e7efeab2ee83..0fe1b9487202 100644 --- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-events @@ -37,11 +37,13 @@ Description: Per-pmu performance monitoring events specific to the running syste performance monitoring event supported by the <pmu>. The name of the file is the name of the event. - As performance monitoring event names are case - insensitive in the perf tool, the perf tool only looks - for lower or upper case event names in sysfs to avoid + As performance monitoring event names are case insensitive + in the perf tool, the perf tool only looks for all lower + case or all upper case event names in sysfs to avoid scanning the directory. It is therefore required the - name of the event here is either lower or upper case. + name of the event here is either completely lower or upper + case, with no mixed-case characters. Numbers, '.', '_', and + '-' are also allowed. File contents: diff --git a/Documentation/ABI/testing/sysfs-class-watchdog b/Documentation/ABI/testing/sysfs-class-watchdog index 94fb74615951..70eabccf0557 100644 --- a/Documentation/ABI/testing/sysfs-class-watchdog +++ b/Documentation/ABI/testing/sysfs-class-watchdog @@ -76,7 +76,7 @@ Description: timeout when the pretimeout interrupt is delivered. Pretimeout is an optional feature. -What: /sys/class/watchdog/watchdogn/pretimeout_avaialable_governors +What: /sys/class/watchdog/watchdogn/pretimeout_available_governors Date: February 2017 Contact: Wim Van Sebroeck <wim@iguana.be> Description: diff --git a/Documentation/ABI/testing/sysfs-kernel-livepatch b/Documentation/ABI/testing/sysfs-kernel-livepatch index 3735d868013d..3c3f36b32b57 100644 --- a/Documentation/ABI/testing/sysfs-kernel-livepatch +++ b/Documentation/ABI/testing/sysfs-kernel-livepatch @@ -55,6 +55,15 @@ Description: An attribute which indicates whether the patch supports atomic-replace. +What: /sys/kernel/livepatch/<patch>/stack_order +Date: Jan 2025 +KernelVersion: 6.14.0 +Description: + This attribute specifies the sequence in which live patch modules + are applied to the system. If multiple live patches modify the same + function, the implementation with the biggest 'stack_order' number + is used, unless a transition is currently in progress. + What: /sys/kernel/livepatch/<patch>/<object> Date: Nov 2014 KernelVersion: 3.19.0 |