sysrq calls into the reboot path from an interrupt handler we can either push the code do into process context and call kernel_restart and get a clean reboot or we can simply reboot the machine, and increase our chances of actually rebooting. emergency_reboot() seems like the closest match to what we have previously done, and what we want. Signed-off-by: Eric W. Biederman <[email protected]> --- drivers/char/sysrq.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) d7b573e957fb71b166223ee15ea97c93c14f5faa diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -115,7 +115,7 @@ static void sysrq_handle_reboot(int key, struct tty_struct *tty) { local_irq_enable(); - machine_restart(NULL); + emergency_restart(); } static struct sysrq_key_op sysrq_reboot_op = { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- [PATCH 13/23] Fix watchdog drivers to call emergency_reboot()
- From: [email protected] (Eric W. Biederman)
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- References:
- [PATCH 0/23] reboot-fixes
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- [PATCH 1/23] Add missing device_suspsend(PMSG_FREEZE) calls.
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