Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] i386-pda: Initialize the PDA early, before any C code runs. | Date | Tue, 12 Sep 2006 08:44:44 +0200 |
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On Tuesday 12 September 2006 00:52, Jeremy Fitzhardinge wrote: > Initialize the PDA early, before any C code runs. > > This patch makes sure the PDA is usable in head.S, before any C code > is run. > > On the boot CPU, this is done by using a temporary boot_pda which is > initialized appropriately. It is replaced with a proper PDA when the > proper GDT is installed. > > For secondary CPUs, the GDT and PDA are pre-allocated and initialized. > head.S just needs to set %gs and load the GDT. > > In the process, this removes the need for early_smp_processor_id() and > early_current().
Against which tree was that? There are a zillion of rejects.
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