Commit 003bb8ab7cecbfd1830bbccf9c6a9e2047d27c5c

Authored by Randy Dunlap
Committed by Linus Torvalds
1 parent d2d8f66bb9

documentation: update sysrq.txt magic sysrq keys

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>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 5 additions and 2 deletions Side-by-side Diff

Documentation/sysrq.txt
... ... @@ -75,7 +75,7 @@
75 75  
76 76 'f' - Will call oom_kill to kill a memory hog process.
77 77  
78   -'g' - Used by kgdb on ppc and sh platforms.
  78 +'g' - Used by kgdb (kernel debugger)
79 79  
80 80 'h' - Will display help (actually any other key than those listed
81 81 here will display help. but 'h' is easy to remember :-)
82 82  
... ... @@ -110,11 +110,14 @@
110 110  
111 111 'u' - Will attempt to remount all mounted filesystems read-only.
112 112  
113   -'v' - Dumps Voyager SMP processor info to your console.
  113 +'v' - Forcefully restores framebuffer console
  114 +'v' - Causes ETM buffer dump [ARM-specific]
114 115  
115 116 'w' - Dumps tasks that are in uninterruptable (blocked) state.
116 117  
117 118 'x' - Used by xmon interface on ppc/powerpc platforms.
  119 +
  120 +'y' - Show global CPU Registers [SPARC-64 specific]
118 121  
119 122 'z' - Dump the ftrace buffer
120 123