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| author |   Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2011-02-08 09:14:06 -0500 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-02-14 14:16:19 -0500 |
| commit | 0ea22f072fb1b3da4307573c280ce904f0bf1589 (patch) | |
| tree | 5f3bd88b137cb3682ed06065d61bf687c58be14d /drivers/xen/gntalloc.c | |
| parent | xen-gntdev: Fix memory leak when mmap fails (diff) | |
| download | wireguard-linux-0ea22f072fb1b3da4307573c280ce904f0bf1589.tar.xz wireguard-linux-0ea22f072fb1b3da4307573c280ce904f0bf1589.zip | |
xen-gntdev: Fix unmap notify on PV domains
In paravirtualized guests, the struct page* for mappings is only a
placeholder, and cannot be used to access the granted memory. Use the
userspace mapping that we have set up in order to implement
UNMAP_NOTIFY_CLEAR_BYTE.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/gntalloc.c')
0 files changed, 0 insertions, 0 deletions