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sysrq: Allow magic SysRq key functions to be disabled through Kconfig

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Turn the initial value of sysctl kernel.sysrq (SYSRQ_DEFAULT_ENABLE)
into a Kconfig variable.

Original version by Bastian Blank <waldi@debian.org>.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ben Hutchings
2013-10-07 01:05:46 +01:00
committed by Greg Kroah-Hartman
parent e8b5cbb041
commit 8eaede49df
5 changed files with 17 additions and 12 deletions
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kernel/sysctl.c
+1 -1
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@@ -190,7 +190,7 @@ static int proc_dostring_coredump(struct ctl_table *table, int write,
#ifdef CONFIG_MAGIC_SYSRQ
/* Note: sysrq code uses it's own private copy */
static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
static int __sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
static int sysrq_sysctl_handler(ctl_table *table, int write,
void __user *buffer, size_t *lenp,