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| author | David Vrabel <david.vrabel@citrix.com> | 2014-01-03 15:46:10 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-05-15 16:15:18 +0100 |
| commit | 25b884a83d487fd62c3de7ac1ab5549979188482 (patch) | |
| tree | 97ba9a29b44bc117ff975a4a9591511a7f931468 /arch/x86/xen/p2m.c | |
| parent | 2dcc9a3de1d7f77bb4dbc108358a75776328e887 (diff) | |
| download | linux-25b884a83d487fd62c3de7ac1ab5549979188482.tar.bz2 | |
x86/xen: set regions above the end of RAM as 1:1
PCI devices may have BARs located above the end of RAM so mark such
frames as identity frames in the p2m (instead of the default of
missing).
PFNs outside the p2m (above MAX_P2M_PFN) are also considered to be
identity frames for the same reason.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen/p2m.c')
| -rw-r--r-- | arch/x86/xen/p2m.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 57001443231e..9bb3d82ffec8 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -507,7 +507,7 @@ unsigned long get_phys_to_machine(unsigned long pfn) unsigned topidx, mididx, idx; if (unlikely(pfn >= MAX_P2M_PFN)) - return INVALID_P2M_ENTRY; + return IDENTITY_FRAME(pfn); topidx = p2m_top_index(pfn); mididx = p2m_mid_index(pfn); |