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i386/xen: Reserve Xen special pages for console, xenstore rings
authorDavid Woodhouse <dwmw@amazon.co.uk>
Tue, 27 Dec 2022 19:02:23 +0000 (19:02 +0000)
committerDavid Woodhouse <dwmw@amazon.co.uk>
Mon, 20 Feb 2023 18:03:50 +0000 (18:03 +0000)
commit6763b59b51c097d9bb7c6a9089f59709bc9d8b3e
tree76500324e3c9c6c2d13c8cc66cdeff4aa9d59deftree
parent1e50eed390f2cdc91f32376ba9f3bf1dcc1dc7a6commit | diff
i386/xen: Reserve Xen special pages for console, xenstore rings

Xen has eight frames at 0xfeff8000 for this; we only really need two for
now and KVM puts the identity map at 0xfeffc000, so limit ourselves to
four.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
include/sysemu/kvm_xen.h diff | blob | history
target/i386/kvm/xen-emu.c diff | blob | history
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