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3 Commits

Author SHA1 Message Date
Marcelo Tosatti 096d14a3b5 x86: KVM guest: hypercall batching 
Batch pte updates and tlb flushes in lazy MMU mode.

[avi:
 - adjust to mmu_op
 - helper for getting para_state without debug warnings]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
 2008-04-27 12:00:28 +03:00
Marcelo Tosatti 1da8a77bdc x86: KVM guest: hypercall based pte updates and TLB flushes 
Hypercall based pte updates are faster than faults, and also allow use
of the lazy MMU mode to batch operations.

Don't report the feature if two dimensional paging is enabled.

[avi:
 - guest/host split
 - fix 32-bit truncation issues
 - adjust to mmu_op
 - adjust to ->release_*() renamed
 - add ->release_pud()]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
 2008-04-27 12:00:28 +03:00
Marcelo Tosatti 0cf1bfd273 x86: KVM guest: add basic paravirt support 
Add basic KVM paravirt support. Avoid vm-exits on IO delays.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
 2008-04-27 12:00:25 +03:00