[Xen-devel] Re: [PATCH] xen: Pack some hvmop memory structures better

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 02/04/2011 04:28 PM, George Dunlap wrote:
> Some of the hvmop memory structures have a shocking amount of unnecesssary
> padding in them.  Elements which can have only 3 values are given 64 bits of
> memory, and then aligned (so that there is padding behind them).
>
> This patch resizes and reorganizes in the following way, (hopefully) without
> introducing any differences between the layout for 32- and 64-bit.
Am I missing something glaring, or this is breaking the ABI between 
hypervisor and kernels?
Paolo

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