Re: Patch: linux-2.5.42/kernel/sys.c - warm reboot should not suspend devices

[Eric Blade <eblade@blackmagik.dynup.net>]

On Mon, 2002-10-14 at 16:05, Eric W. Biederman wrote:
> For myself I am happy that someone introduced 
> device_shutdown and it has reasonable semantics.
> 
> As for halting the system, we currently have two cases:
> 
> 
> 	case LINUX_REBOOT_CMD_HALT:
> 		notifier_call_chain(&reboot_notifier_list, SYS_HALT, NULL);
> 		system_running = 0;
> 		device_shutdown();
> 		printk(KERN_EMERG "System halted.\n");
> 		machine_halt();
> 		do_exit(0);
> 		break;
> 
> 	case LINUX_REBOOT_CMD_POWER_OFF:
> 		notifier_call_chain(&reboot_notifier_list, SYS_POWER_OFF, NULL);
> 		system_running = 0;
> 		device_shutdown();
> 		printk(KERN_EMERG "Power down.\n");
> 		machine_power_off();
> 		do_exit(0);
> 		break;
> 

  i see four occurences in my 2.5.42: LINUX_REBOOT_CMD_RESTART,
LINUX_REBOOT_CMD_HALT, LINUX_REBOOT_CMD_POWER_OFF, and
LINUX_REBOOT_CMD_RESTART2

> 
> But for the most part my impression is that we need to get devices
> drivers behaving properly in the 2.5.x   And that the basic model
> is o.k.  It just needs some pounding on the rough spots.

I agree on this point :)