Re: [Xen-devel] [PATCH v3 2/6] suspend: switch acpi s3 to new infrastructure.

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 02/08/2012 12:00 PM, Gerd Hoffmann wrote:
> +/* set CMOS shutdown status register (index 0xF) as S3_resume(0xFE)
> +   BIOS will read it and start S3 resume at POST Entry */
> +static void rtc_notify_suspend(Notifier *notifier, void *data)
> +{
> +    RTCState *s = container_of(notifier, RTCState, suspend_notifier);
> +    rtc_set_memory(&s->dev, 0xF, 0xFE);
> +}
> +
Out of curiosity, who would set this on real hardware?  And since RTC 
memory is nvram, what happens if I remove the mains plug while the 
system is in S3?
Paolo

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