On Wed, 2015-03-25 at 11:01 +0000, Ian Campbell wrote: > On Wed, 2015-03-25 at 08:47 +0000, Dario Faggioli wrote:
> > The only use case that deviates from that which I could find is: > > > > xc_vcpu_setaffinity() > > | > > --> xc_hypercall_bounce_pre() == > > xc__hypercall_bounce_pre() > > | > > --> xc__hypercall_buffer_alloc() > > | > > --> xc__hypercall_buffer_alloc_pages() > > | > > --> hypercall_buffer_cache_alloc() || > > linux_privcmd_alloc_hypercall_buffer() (or OS > > speific variants) > > > > which is probably still fine, isn't it? > > Might we use test_bit and friends on a hypercall buffer directly? I > didn't expect so. > Exactly. I also thought about this, but then did not put it down. That is a usecase where we don't go though xc_cpumap_alloc(), but we certainly don't do any of these operations in there right now, and most likely never will, IMO. Dario
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