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| author |   Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2012-04-03 18:05:47 +0100 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-04-17 13:27:17 -0400 |
| commit | e8e937be971d706061dc56220ff3605ab77622a7 (patch) | |
| tree | 749380e841f6a07ffd5d9678fb88f008afd7f2ba /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | xen/grant-table: add error-handling code on failure of gnttab_resume (diff) | |
| download | wireguard-linux-e8e937be971d706061dc56220ff3605ab77622a7.tar.xz wireguard-linux-e8e937be971d706061dc56220ff3605ab77622a7.zip | |
xen/gntdev: do not set VM_PFNMAP
Since we are using the m2p_override we do have struct pages
corresponding to the user vma mmap'ed by gntdev.
Removing the VM_PFNMAP flag makes get_user_pages work on that vma.
An example test case would be using a Xen userspace block backend
(QDISK) on a file on NFS using O_DIRECT.
CC: stable@kernel.org
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions