Messages in this thread | | | Date | Wed, 22 Sep 2010 13:05:20 +0300 | From | Alexander Shishkin <> | Subject | Re: [PATCH] documentation: update sysrq.txt key mappings |
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On Tue, Sep 21, 2010 at 04:01:42 -0700, Randy Dunlap wrote: > From: Randy Dunlap <randy.dunlap@oracle.com> > > Update Documentation/sysrq.txt magic sysrq keys: > > - 'g' is for kgdb (not arch-specific); > - add 2 new uses for 'v', remove the Voyager info; > - add 'y' info (SPARC-64 specific); > > Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> > Cc: Jason Wessel <jason.wessel@windriver.com> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: "James E.J. Bottomley" <James.Bottomley@suse.de> > Cc: David Airlie <airlied@linux.ie> > Cc: Alexander Shishkin <virtuoso@slind.org>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
> --- > Documentation/sysrq.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > --- lnx-2636-rc5.orig/Documentation/sysrq.txt > +++ lnx-2636-rc5/Documentation/sysrq.txt > @@ -75,7 +75,7 @@ On all - write a character to /proc/sys > > 'f' - Will call oom_kill to kill a memory hog process. > > -'g' - Used by kgdb on ppc and sh platforms. > +'g' - Used by kgdb (kernel debugger) > > 'h' - Will display help (actually any other key than those listed > here will display help. but 'h' is easy to remember :-) > @@ -110,12 +110,15 @@ On all - write a character to /proc/sys > > 'u' - Will attempt to remount all mounted filesystems read-only. > > -'v' - Dumps Voyager SMP processor info to your console. > +'v' - Forcefully restores framebuffer console > +'v' - Causes ETM buffer dump [ARM-specific] > > 'w' - Dumps tasks that are in uninterruptable (blocked) state. > > 'x' - Used by xmon interface on ppc/powerpc platforms. > > +'y' - Show global CPU Registers [SPARC-64 specific] > + > 'z' - Dump the ftrace buffer > > '0'-'9' - Sets the console log level, controlling which kernel messages
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