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-rw-r--r--Documentation/kernel-parameters.txt16
1 files changed, 10 insertions, 6 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 614d038..d6e6724 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2086,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Override pmtimer IOPort with a hex value.
e.g. pmtmr=0x508
- pnp.debug [PNP]
- Enable PNP debug messages. This depends on the
- CONFIG_PNP_DEBUG_MESSAGES option.
+ pnp.debug=1 [PNP]
+ Enable PNP debug messages (depends on the
+ CONFIG_PNP_DEBUG_MESSAGES option). Change at run-time
+ via /sys/module/pnp/parameters/debug. We always show
+ current resource usage; turning this on also shows
+ possible settings and some assignment information.
pnpacpi= [ACPI]
{ off }
@@ -2703,10 +2706,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
functions are at fixed addresses, they make nice
targets for exploits that can control RIP.
- emulate [default] Vsyscalls turn into traps and are
- emulated reasonably safely.
+ emulate Vsyscalls turn into traps and are emulated
+ reasonably safely.
- native Vsyscalls are native syscall instructions.
+ native [default] Vsyscalls are native syscall
+ instructions.
This is a little bit faster than trapping
and makes a few dynamic recompilers work
better than they would in emulation mode.

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