On 05/20/2010 07:21 PM, Stephen Rothwell wrote:
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> kernel/debug/kdb/kdb_main.c | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
> index f1f9309..bad8e63 100644
> --- a/kernel/debug/kdb/kdb_main.c
> +++ b/kernel/debug/kdb/kdb_main.c
> @@ -1819,10 +1819,8 @@ static int kdb_sr(int argc, const char **argv)
> {
> if (argc != 1)
> return KDB_ARGCOUNT;
> - if (!__sysrq_enabled) {
> - kdb_printf("Auto activating sysrq\n");
> - __sysrq_enabled = 1;
> - }
> +
> + sysrq_toggle_support(1);
>
> kdb_trap_printk++;
> handle_sysrq(*argv[1], NULL);
>
Before brute force toggling it, it seems we should check the value and
restore it after the execution of handle_sysrq().
I'll have to look and see if there is an access function for this.
Jason.
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