[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 17/19] libxl: disallow memory relocation when vNUMA is enabled
Disallow memory relocation when vNUMA is enabled, because relocated memory ends up off node. Further more, even if we dynamically expand node coverage in hvmloader, low memory and high memory may reside in different physical nodes, blindly relocating low memory to high memory gives us a sub-optimal configuration. Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> Cc: Konrad Wilk <konrad.wilk@xxxxxxxxxx> --- tools/libxl/libxl_dm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c index 3e191c3..8631343 100644 --- a/tools/libxl/libxl_dm.c +++ b/tools/libxl/libxl_dm.c @@ -1345,13 +1345,15 @@ void libxl__spawn_local_dm(libxl__egc *egc, libxl__dm_spawn_state *dmss) libxl__sprintf(gc, "%s/hvmloader/bios", path), "%s", libxl_bios_type_to_string(b_info->u.hvm.bios)); /* Disable relocating memory to make the MMIO hole larger - * unless we're running qemu-traditional */ + * unless we're running qemu-traditional and vNUMA is not + * configured. */ libxl__xs_write(gc, XBT_NULL, libxl__sprintf(gc, "%s/hvmloader/allow-memory-relocate", path), "%d", - b_info->device_model_version==LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL); + b_info->device_model_version==LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN_TRADITIONAL && + !b_info->num_vnuma_nodes); free(path); } -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |