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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-02-11 10:16:53 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-02-11 10:16:53 +0000 |
| commit | 670d6b908ff2fba90536b8f139fb2c66506b253e (patch) | |
| tree | 7ef68f51a2b9598c28f4d9f1233e9b67ddf916d4 /docs | |
| parent | ce49af7f2c633c65cbf0eb10c1b1d503cff7688f (diff) | |
| download | xen-670d6b908ff2fba90536b8f139fb2c66506b253e.tar.gz xen-670d6b908ff2fba90536b8f139fb2c66506b253e.tar.bz2 xen-670d6b908ff2fba90536b8f139fb2c66506b253e.zip | |
x86 shadow: Move the shadow linear mapping for n-on-3-on-4 shadows so
that guest mappings of the bottom 4GB are not reflected in the monitor
pagetable. This ensures in particular that page 0 is not mapped,
allowing us to catch NULL dereferences in the hypervisor.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Diffstat (limited to 'docs')
0 files changed, 0 insertions, 0 deletions