Re: Alt SeaBIOS SSDT cpu hotplug

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jul 07, 2010 at 07:26:07PM -0400, Kevin O'Connor wrote:
> On Wed, Jul 07, 2010 at 01:22:49PM +0300, Gleb Natapov wrote:
> > On Wed, Jul 07, 2010 at 12:57:05AM -0400, Kevin O'Connor wrote:
> > > The "CPUS" package stores references to the Processor objects, and the
> > > "CPON" package stores the state of which cpus are active.  With this
> > > info, hopefully there is no need to update the MADT tables.
> > > 
> > The way you wrote it acpi_id is always equal to lapic_id which is not
> > alway true. By using MADT from memory we remove this dependency from
> > DSDT code.
> 
> The current code always sets the apic->processor_id equal to
> apic->local_apic_id in the madt apic table.  If this changes, we could
> add a dynamically created mapping table to the ssdt.  Something like:
> 
> Name(CPLA, Package() { 0x00, 0x01, 0x02, 0x03, 0x04 })
> 
Yeah, but if we can avoid it in the first place why not doing so. BTW how
do you pass to DSDT what cpus are initially on? Previously this info was
taken from memory copy of MADT too.

--
			Gleb.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux