Commit 003bb8ab7cecbfd1830bbccf9c6a9e2047d27c5c
Committed by
Linus Torvalds
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d2d8f66bb9
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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 |