X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=d6e6724446c88722500a01db7f35d2a23ba7ac5f;hb=426343ef34fac426e619176c84cb2e263b9ed23d;hp=614d0382e2cbe5b4fd37ce5ce67db76ddd89a6c4;hpb=0d20fbbe82dadc43f50a4ca5346e962de23cf950;p=firefly-linux-kernel-4.4.55.git diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 614d0382e2cb..d6e6724446c8 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.