Messages in this thread | | | Date | Sun, 19 Jun 2011 16:02:22 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH 3/7] KVM-HV: KVM Steal time implementation |
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On 06/19/2011 03:59 PM, Gleb Natapov wrote: > On Sun, Jun 19, 2011 at 03:35:58PM +0300, Avi Kivity wrote: > > On 06/15/2011 12:09 PM, Gleb Natapov wrote: > > >> > > >> Actually, I'd expect most read/writes to benefit from caching, no? > > >> So why don't we just rename kvm_write_guest_cached() to > > >> kvm_write_guest(), and the few places - if any - that need to force > > >> transversing of the gfn mappings, get renamed to > > >> kvm_write_guest_uncached ? > > >> > > >Good idea. I do not see any places where kvm_write_guest_uncached is > > >needed from a brief look. Avi? > > > > > > > kvm_write_guest_cached() needs something to supply the cache, and > > needs recurring writes to the same location. Neither of these are > > common (for example, instruction emulation doesn't have either). > > > Correct. Missed that. So what about changing steal time to use > kvm_write_guest_cached()?
Makes sense, definitely. Want to post read_guest_cached() as well?
-- error compiling committee.c: too many arguments to function
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