diff --git a/debian/changelog b/debian/changelog index 9baf1ef56..94008ade2 100644 --- a/debian/changelog +++ b/debian/changelog @@ -42,6 +42,7 @@ linux-2.6 (2.6.25-1~experimental.1) UNRELEASED; urgency=low * topconfig disable PATA_SIS as sis5513 enabled. (closes: #475525) * [xen]: Support direct load of bzImage under Xen. (closes: #474509) Thanks Ian Campbell for patches. + * [xen]: Module autoprobing support for frontend drivers. [ Martin Michlmayr ] * [arm/armel] Add a kernel for Orion based devices, such as the QNAP diff --git a/debian/patches/features/all/xen-module-autoloading.patch b/debian/patches/features/all/xen-module-autoloading.patch new file mode 100644 index 000000000..ed22ad904 --- /dev/null +++ b/debian/patches/features/all/xen-module-autoloading.patch @@ -0,0 +1,94 @@ +From: Mark McLoughlin +Date: Wed, 2 Apr 2008 17:54:05 +0000 (-0700) +Subject: xen: Module autoprobing support for frontend drivers +X-Git-Url: http://git.eu.kernel.org/?p=linux%2Fkernel%2Fgit%2Fx86%2Flinux-2.6-x86.git;a=commitdiff_plain;h=78f10294166f348730affacddb9aaac36511bdeb + +xen: Module autoprobing support for frontend drivers + +Add module aliases to support autoprobing modules +for xen frontend devices. + +Signed-off-by: Mark McLoughlin +Signed-off-by: Ingo Molnar +Signed-off-by: Thomas Gleixner +--- + +diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c +index dfe61af..ffa0b43 100644 +--- a/drivers/block/xen-blkfront.c ++++ b/drivers/block/xen-blkfront.c +@@ -1015,3 +1015,4 @@ module_exit(xlblk_exit); + MODULE_DESCRIPTION("Xen virtual block device frontend"); + MODULE_LICENSE("GPL"); + MODULE_ALIAS_BLOCKDEV_MAJOR(XENVBD_MAJOR); ++MODULE_ALIAS("xen:vbd"); +diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c +index 7483d45..b3fa27e 100644 +--- a/drivers/net/xen-netfront.c ++++ b/drivers/net/xen-netfront.c +@@ -1809,3 +1809,4 @@ module_exit(netif_exit); + + MODULE_DESCRIPTION("Xen virtual network device frontend"); + MODULE_LICENSE("GPL"); ++MODULE_ALIAS("xen:vif"); +diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c +index 88fc5ec..57ceb53 100644 +--- a/drivers/xen/xenbus/xenbus_probe.c ++++ b/drivers/xen/xenbus/xenbus_probe.c +@@ -88,6 +88,16 @@ int xenbus_match(struct device *_dev, struct device_driver *_drv) + return match_device(drv->ids, to_xenbus_device(_dev)) != NULL; + } + ++static int xenbus_uevent(struct device *_dev, struct kobj_uevent_env *env) ++{ ++ struct xenbus_device *dev = to_xenbus_device(_dev); ++ ++ if (add_uevent_var(env, "MODALIAS=xen:%s", dev->devicetype)) ++ return -ENOMEM; ++ ++ return 0; ++} ++ + /* device// => - */ + static int frontend_bus_id(char bus_id[BUS_ID_SIZE], const char *nodename) + { +@@ -166,6 +176,7 @@ static struct xen_bus_type xenbus_frontend = { + .bus = { + .name = "xen", + .match = xenbus_match, ++ .uevent = xenbus_uevent, + .probe = xenbus_dev_probe, + .remove = xenbus_dev_remove, + .shutdown = xenbus_dev_shutdown, +@@ -438,6 +449,12 @@ static ssize_t xendev_show_devtype(struct device *dev, + } + DEVICE_ATTR(devtype, S_IRUSR | S_IRGRP | S_IROTH, xendev_show_devtype, NULL); + ++static ssize_t xendev_show_modalias(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ return sprintf(buf, "xen:%s\n", to_xenbus_device(dev)->devicetype); ++} ++DEVICE_ATTR(modalias, S_IRUSR | S_IRGRP | S_IROTH, xendev_show_modalias, NULL); + + int xenbus_probe_node(struct xen_bus_type *bus, + const char *type, +@@ -492,10 +509,16 @@ int xenbus_probe_node(struct xen_bus_type *bus, + + err = device_create_file(&xendev->dev, &dev_attr_devtype); + if (err) +- goto fail_remove_file; ++ goto fail_remove_nodename; ++ ++ err = device_create_file(&xendev->dev, &dev_attr_modalias); ++ if (err) ++ goto fail_remove_devtype; + + return 0; +-fail_remove_file: ++fail_remove_devtype: ++ device_remove_file(&xendev->dev, &dev_attr_devtype); ++fail_remove_nodename: + device_remove_file(&xendev->dev, &dev_attr_nodename); + fail_unregister: + device_unregister(&xendev->dev); diff --git a/debian/patches/series/1~experimental.1 b/debian/patches/series/1~experimental.1 index b2d30c784..32d990d34 100644 --- a/debian/patches/series/1~experimental.1 +++ b/debian/patches/series/1~experimental.1 @@ -48,3 +48,4 @@ + features/all/xen-image-header.patch + features/all/xen-crc32-checksum-kernel-image.patch + features/all/xen-boot-protocol.patch ++ features/all/xen-module-autoloading.patch