Re: Reboot PATCH (ACPI related)

From: Andrew Morton
Date: Sun May 13 2007 - 02:44:35 EST


On Sat, 12 May 2007 22:10:07 +0200 Lukas Hejtmanek <xhejtman@xxxxxxxxxxx> wrote:

> why the attached patch is still not included in mainline kernel? It fixes boot
> problems after suspend to RAM.
>
> --
> LukÃÅ HejtmÃnek
>
>
> [reboot.patch text/x-diff (564B)]
> --- arch/i386/kernel/reboot.c.old 2006-06-18 03:49:35.000000000 +0200
> +++ arch/i386/kernel/reboot.c 2006-07-01 17:29:23.000000000 +0200
> @@ -31,6 +31,12 @@
> #ifdef CONFIG_SMP
> static int reboot_cpu = -1;
> #endif
> +#ifdef CONFIG_ACPI
> +extern u32 acpi_disable(void);
> +#else
> +static u32 acpi_disable(void){};
> +#endif
> +
> static int __init reboot_setup(char *str)
> {
> while(1) {
> @@ -322,6 +328,7 @@
>
> void machine_emergency_restart(void)
> {
> + acpi_disable();
> if (!reboot_thru_bios) {
> if (efi_enabled) {
> efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);

We'd prefer to fix the problem, whatever it is, rather than just turning
APCI off.

Please ensure that a full bug report has been entered at bugzilla.kernel.org,
thanks.
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