[PATCH] SLB shadow buffer
mikey at neuling.org
Sun Aug 6 11:27:38 EST 2006
> The SLB shadow buffer is a pure software construct recording the required
> segment translations. Registering a the shadow buffer informs the
> hypervisor which entries are required when switching partitions, and may
> allow it to recover the partition from a hardware error.
What Milton said. It's a high availability feature.
We can register volatile and persistent SLBs with PHYP. PHYP will
invalidate volatile entries and replace persistent entries if it sees a
problem with them.
Here I've only registered the 3 persistent (bolted) SLBs, as the
volatile SLBs can be handled with SLB faults in the kernel.
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