See the help text output of /proc/sysrq-trigger:
SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E)
memory-full-oom-kill(F) kill-all-tasks(I) ...
Most command is referenced by responding upper-case character,
this would hint user can trigger sysrq by upper-case character key,
but that's wrong, sysrq only accept lower-case character currently.
It's reasonable to let user trigger sysrq by upper-case character key.
Signed-off-by: zhnagwei(Jovi) <jovi.zhang...@huawei.com>
---
drivers/tty/sysrq.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 3687f0c..a88908e 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -471,6 +471,8 @@ static int sysrq_key_table_key2index(int key)
retval = key - '0';
else if ((key >= 'a') && (key <= 'z'))
retval = key + 10 - 'a';
+ else if ((key >= 'A') && (key <= 'Z'))
+ retval = key + 10 - 'A';
else
retval = -1;
return retval;
--
1.7.9.7
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