Merge "cnss2: Add support for genoa sdio"

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index eadc48a..b3c7bdf 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -549,6 +549,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        embedded devices based on command line input.
                        See Documentation/block/cmdline-partition.txt
 
+       boot_cpus=      [SMP]
+                       Rather than attempting to online all possible CPUs at
+                       boot time, only online the specified set of CPUs.
+
        boot_delay=     Milliseconds to delay each printk during boot.
                        Values larger than 10 seconds (10000) are changed to
                        no delay (0).
@@ -746,6 +750,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        seconds. Defaults to 10*60 = 10mins. A value of 0
                        disables the blank timer.
 
+       core_ctl_disable_cpumask= [SMP]
+                       Exempt the CPUs from being managed by core_ctl.
+                       core_ctl operates on a cluster basis. So all the
+                       CPUs in a given cluster must be specified to disable
+                       core_ctl for that cluster.
+
        coredump_filter=
                        [KNL] Change the default value for
                        /proc/<pid>/coredump_filter.
@@ -938,7 +948,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        The filter can be disabled or changed to another
                        driver later using sysfs.
 
-       drm_kms_helper.edid_firmware=[<connector>:]<file>[,[<connector>:]<file>]
+       drm.edid_firmware=[<connector>:]<file>[,[<connector>:]<file>]
                        Broken monitors, graphic adapters, KVMs and EDIDless
                        panels may send no or incorrect EDID data sets.
                        This parameter allows to specify an EDID data sets
@@ -2225,6 +2235,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                improves system performance, but it may also
                                expose users to several CPU vulnerabilities.
                                Equivalent to: nopti [X86]
+                                              nospectre_v1 [X86]
                                               nospectre_v2 [X86]
                                               spectre_v2_user=off [X86]
                                               spec_store_bypass_disable=off [X86]
@@ -2558,9 +2569,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        nohugeiomap     [KNL,x86] Disable kernel huge I/O mappings.
 
-       nospectre_v1    [PPC] Disable mitigations for Spectre Variant 1 (bounds
-                       check bypass). With this option data leaks are possible
-                       in the system.
+       nospectre_v1    [X86,PPC] Disable mitigations for Spectre Variant 1
+                       (bounds check bypass). With this option data leaks are
+                       possible in the system.
 
        nospectre_v2    [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
                        (indirect branch prediction) vulnerability. System may
@@ -2796,6 +2807,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        we can turn it on.
                        on: enable the feature
 
+       page_poison=    [KNL] Boot-time parameter changing the state of
+                       poisoning on the buddy allocator.
+                       off: turn off poisoning
+                       on: turn on poisoning
+
        panic=          [KNL] Kernel behaviour on panic: delay <timeout>
                        timeout > 0: seconds before rebooting
                        timeout = 0: wait forever
@@ -3474,6 +3490,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Run specified binary instead of /init from the ramdisk,
                        used for early userspace startup. See initrd.
 
+       rdrand=         [X86]
+                       force - Override the decision by the kernel to hide the
+                               advertisement of RDRAND support (this affects
+                               certain AMD processors because of buggy BIOS
+                               support, specifically around the suspend/resume
+                               path).
+
        reboot=         [KNL]
                        Format (x86 or x86_64):
                                [w[arm] | c[old] | h[ard] | s[oft] | g[pio]] \
@@ -4390,6 +4413,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        or other driver-specific files in the
                        Documentation/watchdog/ directory.
 
+       workqueue.watchdog_thresh=
+                       If CONFIG_WQ_WATCHDOG is configured, workqueue can
+                       warn stall conditions and dump internal state to
+                       help debugging.  0 disables workqueue stall
+                       detection; otherwise, it's the stall threshold
+                       duration in seconds.  The default value is 30 and
+                       it can be updated at runtime by writing to the
+                       corresponding sysfs file.
+
        workqueue.disable_numa
                        By default, all work items queued to unbound
                        workqueues are affine to the NUMA nodes they're