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kvm: Switch to unlocked PIO
authorJan Kiszka <[email protected]>
Thu, 18 Jun 2015 16:47:24 +0000 (18:47 +0200)
committerPaolo Bonzini <[email protected]>
Wed, 1 Jul 2015 13:45:51 +0000 (15:45 +0200)
commit80b7d2efb63c225797345c152cdd3392b9fe7b72
treec17c0c50d7d999e60508d671eebd25bdd6e38d1dtree | snapshot
parent4b8523ee896750c37b4fa224a40d34703cbdf4c6commit | diff
kvm: Switch to unlocked PIO

Do not take the BQL before dispatching PIO requests of KVM VCPUs.
Instead, address_space_rw will do it if necessary. This enables
completely BQL-free PIO handling in KVM mode for upcoming devices with
fine-grained locking.

Signed-off-by: Jan Kiszka <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Message-Id: <1434646046[email protected]>
kvm-all.c diff | blob | blame | history
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