Messages in this thread | | | Date | Wed, 22 Aug 2007 15:09:10 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH] Add I/O hypercalls for i386 paravirt |
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Andi Kleen wrote: > On Wed, Aug 22, 2007 at 01:23:43PM +0300, Avi Kivity wrote: > >> Andi Kleen wrote: >> >>>> I don't see why it's intrusive -- they all use the APIs, right? >>>> >>>> >>> Yes, but it still changes them. It might have a larger impact >>> on code size for example. >>> >>> >> Only if CONFIG_PARAVIRT is defined. >> > > Which eventually distribution kernels will do. > > >> And even then, all the performance >> sensitive stuff uses mmio, no? >> > > Not worried about performance, but just impact on code size etc. >
Ah. But that's mostly modules, so real in-core changes should be very small (say 10 bytes per call site X 10 callsites per driver X 10 drivers... even if off by an order of magnitude it's still tiny)
-- error compiling committee.c: too many arguments to function
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