Merge tag 'platform-drivers-x86-v4.12-2' of git://git.infradead.org/linux-platform...

[karo-tx-linux.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 15f79c27748df1611b1643b77ca68e2a5e7cfaab..0f5c3b4347c6f94a82385f193e76bc99dba19db5 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -866,6 +866,15 @@
 
        dscc4.setup=    [NET]
 
+       dt_cpu_ftrs=    [PPC]
+                       Format: {"off" | "known"}
+                       Control how the dt_cpu_ftrs device-tree binding is
+                       used for CPU feature discovery and setup (if it
+                       exists).
+                       off: Do not use it, fall back to legacy cpu table.
+                       known: Do not pass through unknown features to guests
+                       or userspace, only those that the kernel is aware of.
+
        dump_apple_properties   [X86]
                        Dump name and content of EFI device properties on
                        x86 Macs.  Useful for driver authors to determine