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Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / Documentation / ABI / testing / sysfs-kernel-livepatch
diff --git a/kernel/Documentation/ABI/testing/sysfs-kernel-livepatch b/kernel/Documentation/ABI/testing/sysfs-kernel-livepatch
new file mode 100644 (file)
index 0000000..5bf42a8
--- /dev/null
+++ b/kernel/Documentation/ABI/testing/sysfs-kernel-livepatch
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+What:          /sys/kernel/livepatch
+Date:          Nov 2014
+KernelVersion: 3.19.0
+Contact:       live-patching@vger.kernel.org
+Description:
+               Interface for kernel live patching
+
+               The /sys/kernel/livepatch directory contains subdirectories for
+               each loaded live patch module.
+
+What:          /sys/kernel/livepatch/<patch>
+Date:          Nov 2014
+KernelVersion: 3.19.0
+Contact:       live-patching@vger.kernel.org
+Description:
+               The patch directory contains subdirectories for each kernel
+               object (vmlinux or a module) in which it patched functions.
+
+What:          /sys/kernel/livepatch/<patch>/enabled
+Date:          Nov 2014
+KernelVersion: 3.19.0
+Contact:       live-patching@vger.kernel.org
+Description:
+               A writable attribute that indicates whether the patched
+               code is currently applied.  Writing 0 will disable the patch
+               while writing 1 will re-enable the patch.
+
+What:          /sys/kernel/livepatch/<patch>/<object>
+Date:          Nov 2014
+KernelVersion: 3.19.0
+Contact:       live-patching@vger.kernel.org
+Description:
+               The object directory contains subdirectories for each function
+               that is patched within the object.
+
+What:          /sys/kernel/livepatch/<patch>/<object>/<function>
+Date:          Nov 2014
+KernelVersion: 3.19.0
+Contact:       live-patching@vger.kernel.org
+Description:
+               The function directory contains attributes regarding the
+               properties and state of the patched function.
+
+               There are currently no such attributes.