Messages in this thread | | | Date | Tue, 07 Dec 2010 11:50:12 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH 0/12] KVM: SVM: Add support for VMCB state caching |
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On 12/03/2010 12:45 PM, Joerg Roedel wrote: > Hi Avi, Hi Marcelo, > > here is a patch-set which adds support for VMCB state caching to KVM. > This is a new CPU feature where software can mark certain parts of the > VMCB as unchanged since the last vmexit and the hardware can then avoid > reloading these parts from memory. > > The feature is implemented downwards-compatible in hardware, so a 0-bit > means the state has changed and needs to be reloaded. This makes it > possible to implement the bits without checking for the feature, as done > in this patch-set (another reason is that the check is as expensive as > clearing the bit). Processors which do not implement VMCB state > caching just ignore these bits. > > These patches were tested with multiple guests (Windows, Linux, also in > parallel) and also with nested-svm. > > The patches apply on-top of the intercept mask wrapping patch-set I sent > earlier this week. Your feedback is appreciated. >
Applied, thanks.
-- error compiling committee.c: too many arguments to function
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