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Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
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Signed-off-by: Keir Fraser <keir@xen.org>
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It has been hiding actual mistakes, and there are not too many changes
necessary to make things build without suppressing this warning.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
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Callers of lookups into the p2m code are now variants of get_gfn. All
callers need to call put_gfn. The code behind it is a no-op at the
moment, but will change to proper locking in a later patch.
This patch does not change functionality. Only naming, and adds
put_gfn's.
set_p2m_entry retains its name because it is always called with
p2m_lock held.
This patch is humongous, unfortunately, given the dozens of call sites
involved.
After this patch, anyone using old style gfn_to_mfn will not succeed
in compiling their code. This is on purpose: adapt to the new API.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Keir Fraser <keir@xen.org>
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As part of the nested HVM patch series, many p2m functions were changed
to take pointers to p2m tables rather than to domains. This patch
reverses that for almost all of them, which:
- gets rid of a lot of "p2m_get_hostp2m(d)" in code which really
shouldn't have to know anything about how gfns become mfns.
- ties sharing and paging interfaces to a domain, which is
what they actually act on, rather than a particular p2m table.
In developing this patch it became clear that memory-sharing and nested
HVM are unlikely to work well together. I haven't tried to fix that
here beyond adding some assertions around suspect paths (as this patch
is big enough with just the interface changes)
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
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Move all extern declarations into appropriate header files.
This also fixes up a few places where the caller and the definition
had different signatures.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
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clash.
Signed-off-by: Keir Fraser <keir@xen.org>
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Change p2m infrastructure to operate on per-p2m instead of per-domain.
This allows us to use multiple p2m tables per-domain.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Acked-by: Tim Deegan <Tim.Deegan@citrix.com>
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Besides two unlikely/rarely hit ones in x86 code, the main offender
was tmh_client_from_cli_id(), which didn't even have a counterpart
(albeit it had a comment correctly saying that it causes d->refcnt to
get incremented). Unfortunately(?) this required a bit of code
restructuring (as I needed to change the code anyway, I also fixed
a couple os missing bounds checks which would sooner or later be
reported as security vulnerabilities), so I would hope Dan could give
it his blessing before it gets applied.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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It should be run on dom0 on gdbsx enabled hypervisor. For details,
please see tools/debugger/gdbsx/README
Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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