[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v1 08/12] libxl: don't launch Qemu on Dom0 for Qdisk devices on driver domains
In libxl__need_xenpv_qemu check that the backend domain of the Qdisk device is Dom0 before launching a Qemu instance in the toolstack domain. Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx> Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> --- Changes since RFC: * Fetch and use domid instead of LIBXL_TOOLSTACK_DOMID (altough the function is only called on Dom0 right now). --- tools/libxl/libxl_dm.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c index 4035b6d..7c0e3ce 100644 --- a/tools/libxl/libxl_dm.c +++ b/tools/libxl/libxl_dm.c @@ -1342,6 +1342,7 @@ int libxl__need_xenpv_qemu(libxl__gc *gc, int nr_disks, libxl_device_disk *disks) { int i, ret = 0; + uint32_t domid; /* * qemu is required in order to support 2 or more consoles. So switch all @@ -1367,8 +1368,11 @@ int libxl__need_xenpv_qemu(libxl__gc *gc, } if (nr_disks > 0) { + ret = libxl__get_domid(gc, &domid); + if (ret) goto out; for (i = 0; i < nr_disks; i++) { - if (disks[i].backend == LIBXL_DISK_BACKEND_QDISK) { + if (disks[i].backend == LIBXL_DISK_BACKEND_QDISK && + disks[i].backend_domid == domid) { ret = 1; goto out; } -- 1.7.7.5 (Apple Git-26) _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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