arm64: arch_timer: Work around QorIQ Erratum A-008585

[sfrench/cifs-2.6.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 46c030a49186faabaa588afd2d284975c72c2017..fb4de4daba1f113b2c7840d9edc4e559528f600a 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -698,6 +698,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        loops can be debugged more effectively on production
                        systems.
 
+       clocksource.arm_arch_timer.fsl-a008585=
+                       [ARM64]
+                       Format: <bool>
+                       Enable/disable the workaround of Freescale/NXP
+                       erratum A-008585.  This can be useful for KVM
+                       guests, if the guest device tree doesn't show the
+                       erratum.  If unspecified, the workaround is
+                       enabled based on the device tree.
+
        clearcpuid=BITNUM [X86]
                        Disable CPUID feature X for the kernel. See
                        arch/x86/include/asm/cpufeatures.h for the valid bit