Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[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 21e2d88637050b7a33f141e558fff43d3f23d0c9..635d11135090cd7fc604c2c3496359a5b7a50f73 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -106,6 +106,16 @@
                        use by PCI
                        Format: <irq>,<irq>...
 
+       acpi_mask_gpe=  [HW,ACPI]
+                       Due to the existence of _Lxx/_Exx, some GPEs triggered
+                       by unsupported hardware/firmware features can result in
+                        GPE floodings that cannot be automatically disabled by
+                        the GPE dispatcher.
+                       This facility can be used to prevent such uncontrolled
+                       GPE floodings.
+                       Format: <int>
+                       Support masking of GPEs numbered from 0x00 to 0x7f.
+
        acpi_no_auto_serialize  [HW,ACPI]
                        Disable auto-serialization of AML methods
                        AML control methods that contain the opcodes to create
@@ -539,15 +549,6 @@
                        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
@@ -3268,6 +3269,13 @@
                        Lazy RCU callbacks are those which RCU can
                        prove do nothing more than free memory.
 
+       rcutree.rcu_kick_kthreads= [KNL]
+                       Cause the grace-period kthread to get an extra
+                       wake_up() if it sleeps three times longer than
+                       it should at force-quiescent-state time.
+                       This wake_up() will be accompanied by a
+                       WARN_ONCE() splat and an ftrace_dump().
+
        rcuperf.gp_exp= [KNL]
                        Measure performance of expedited synchronous
                        grace-period primitives.
@@ -3553,6 +3561,10 @@
        rhash_entries=  [KNL,NET]
                        Set number of hash buckets for route cache
 
+       ring3mwait=disable
+                       [KNL] Disable ring 3 MONITOR/MWAIT feature on supported
+                       CPUs.
+
        ro              [KNL] Mount root device read-only on boot
 
        rodata=         [KNL]
@@ -3811,10 +3823,11 @@
                        it if 0 is given (See Documentation/cgroup-v1/memory.txt)
 
        swiotlb=        [ARM,IA-64,PPC,MIPS,X86]
-                       Format: { <int> | force }
+                       Format: { <int> | force | noforce }
                        <int> -- Number of I/O TLB slabs
                        force -- force using of bounce buffers even if they
                                 wouldn't be automatically used by the kernel
+                       noforce -- Never use bounce buffers (for debugging)
 
        switches=       [HW,M68k]