x86/mm: Add the 'nopcid' boot option to turn off PCID

[pandora-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d44116b..4f43fd3 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -734,6 +734,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        edd=            [EDD]
                        Format: {"off" | "on" | "skip[mbr]"}
 
+       efi_no_storage_paranoia [EFI; X86]
+                       Using this parameter you can use more than 50% of
+                       your efi variable storage. Use this parameter only if
+                       you are really sure that your UEFI does sane gc and
+                       fulfills the spec otherwise your board may brick.
+
        eisa_irq_edge=  [PARISC,HW]
                        See header of drivers/parisc/eisa.c.
 
@@ -934,6 +940,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        i8042.notimeout [HW] Ignore timeout condition signalled by conroller
        i8042.reset     [HW] Reset the controller during init and cleanup
        i8042.unlock    [HW] Unlock (ignore) the keylock
+       i8042.kbdreset  [HW] Reset device connected to KBD port
 
        i810=           [HW,DRM]
 
@@ -948,14 +955,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        i8k.restricted  [HW] Allow controlling fans only if SYS_ADMIN
                        capability is set.
 
-       i915.invert_brightness
+       i915.invert_brightness=
                        [DRM] Invert the sense of the variable that is used to
                        set the brightness of the panel backlight. Normally a
-                       value of 0 indicates backlight switched off, and the
-                       maximum value sets the backlight to maximum brightness.
-                       If this parameter is specified, a value of 0 sets the
-                       backlight to maximum brightness, and the maximum value
-                       switches the backlight off.
+                       brightness value of 0 indicates backlight switched off,
+                       and the maximum of the brightness value sets the backlight
+                       to maximum brightness. If this parameter is set to 0
+                       (default) and the machine requires it, or this parameter
+                       is set to 1, a brightness value of 0 sets the backlight
+                       to maximum brightness, and the maximum of the brightness
+                       value switches the backlight off.
+                       -1 -- never invert brightness
+                        0 -- machine default
+                        1 -- force brightness inversion
 
        icn=            [HW,ISDN]
                        Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
@@ -1294,6 +1306,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
                        * dump_id: dump IDENTIFY data.
 
+                       * disable: Disable this device.
+
                        If there are multiple matching configurations changing
                        the same attribute, the last one is used.
 
@@ -1785,6 +1799,8 @@ 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
@@ -1813,6 +1829,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        nopat           [X86] Disable PAT (page attribute table extension of
                        pagetables) support.
 
+       nopcid          [X86-64] Disable the PCID cpu feature.
+
        norandmaps      Don't use address space randomization.  Equivalent to
                        echo 0 > /proc/sys/kernel/randomize_va_space
 
@@ -2443,6 +2461,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        spia_pedr=
        spia_peddr=
 
+       stack_guard_gap=        [MM]
+                       override the default stack gap protection. The value
+                       is in page units and it defines how many pages prior
+                       to (for stacks growing down) resp. after (for stacks
+                       growing up) the main stack are reserved for no other
+                       mapping. Default value is 256 pages.
+
        stacktrace      [FTRACE]
                        Enabled the stack tracer on boot up.
 
@@ -2685,6 +2710,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                        sector if the number is odd);
                                i = IGNORE_DEVICE (don't bind to this
                                        device);
+                               j = NO_REPORT_LUNS (don't use report luns
+                                       command, uas only);
                                l = NOT_LOCKABLE (don't try to lock and
                                        unlock ejectable media);
                                m = MAX_SECTORS_64 (don't transfer more