x86/mm/pkeys: Actually enable Memory Protection Keys in the CPU

[cascardo/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 551ecf0..acf467d 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -666,7 +666,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        clearcpuid=BITNUM [X86]
                        Disable CPUID feature X for the kernel. See
-                       arch/x86/include/asm/cpufeature.h for the valid bit
+                       arch/x86/include/asm/cpufeatures.h for the valid bit
                        numbers. Note the Linux specific bits are not necessarily
                        stable over kernel options, but the vendor specific
                        ones should be.
@@ -976,6 +976,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        See Documentation/x86/intel_mpx.txt for more
                        information about the feature.
 
+       nopku           [X86] Disable Memory Protection Keys CPU feature found
+                       in some Intel CPUs.
+
        eagerfpu=       [X86]
                        on      enable eager fpu restore
                        off     disable eager fpu restore
@@ -2566,6 +2569,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        nointroute      [IA-64]
 
+       noinvpcid       [X86] Disable the INVPCID cpu feature.
+
        nojitter        [IA-64] Disables jitter checking for ITC timers.
 
        no-kvmclock     [X86,KVM] Disable paravirtualized KVM clock driver
@@ -4235,6 +4240,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        The default value of this parameter is determined by
                        the config option CONFIG_WQ_POWER_EFFICIENT_DEFAULT.
 
+       workqueue.debug_force_rr_cpu
+                       Workqueue used to implicitly guarantee that work
+                       items queued without explicit CPU specified are put
+                       on the local CPU.  This guarantee is no longer true
+                       and while local CPU is still preferred work items
+                       may be put on foreign CPUs.  This debug option
+                       forces round-robin CPU selection to flush out
+                       usages which depend on the now broken guarantee.
+                       When enabled, memory and cache locality will be
+                       impacted.
+
        x2apic_phys     [X86-64,APIC] Use x2apic physical mode instead of
                        default x2apic cluster mode on platforms
                        supporting x2apic.