On 09/08/2010 02:40 AM, Liu Yu wrote:
The patchset aims at mapping guest TLB1 to host TLB0.
And it includes:
[PATCH 1/2] kvm/e500v2: Remove shadow tlb
[PATCH 2/2] kvm/e500v2: mapping guest TLB1 to host TLB0
The reason we need patch 1 is because patch 1 make things simple and flexible.
Only applying patch 1 aslo make kvm work.
I've always thought the best long-term "optimization" on these cores is
to share in the host PID allocation (i.e. __init_new_context()). This
way, the TID in guest mappings would not overlap the TID in host
mappings, and guest mappings could be demand-faulted rather than swapped
wholesale. To do that, you would need to track the host PID in KVM data
structures, I guess in the tlbe_ref structure.
--
Hollis Blanchard
Mentor Graphics, Embedded Systems Division
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