sys-kernel/*: fix mtu regression on aws on 4.16.13

Upstream commit f599c64fdf7d9c108e8717fb04bc41c680120da4 introduced a
regression preventing setting jumbo frames on aws.

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.16.13-r1.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-COREOS_SOURCE_REVISION=""
+COREOS_SOURCE_REVISION="-r1"
 inherit coreos-kernel
 
 DESCRIPTION="CoreOS Linux kernel"

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/coreos-modules-4.16.13-r1.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-COREOS_SOURCE_REVISION=""
+COREOS_SOURCE_REVISION="-r1"
 inherit coreos-kernel savedconfig
 
 DESCRIPTION="CoreOS Linux kernel modules"

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-4.16.13-r1.ebuild

@@ -40,4 +40,5 @@ UNIPATCH_LIST="
 	${PATCH_DIR}/z0003-tools-objtool-Makefile-Don-t-fail-on-fallthrough-wit.patch \
 	${PATCH_DIR}/z0004-Revert-random-use-a-different-mixing-algorithm-for-a.patch \
 	${PATCH_DIR}/z0005-Revert-random-fix-crng_ready-test.patch \
+	${PATCH_DIR}/z0006-Revert-xen-netfront-Fix-race-between-device-setup-an.patch \
 "

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0001-kbuild-derive-relative-path-for-KBUILD_SRC-from-CURD.patch

@@ -1,7 +1,7 @@
 From 406cf32cc9a42c02714c270d4158972525d0b283 Mon Sep 17 00:00:00 2001
 From: Vito Caputo <vito.caputo@coreos.com>
 Date: Wed, 25 Nov 2015 02:59:45 -0800
-Subject: [PATCH 1/5] kbuild: derive relative path for KBUILD_SRC from CURDIR
+Subject: [PATCH 1/6] kbuild: derive relative path for KBUILD_SRC from CURDIR
 
 This enables relocating source and build trees to different roots,
 provided they stay reachable relative to one another.  Useful for
@@ -26,5 +26,5 @@ index 146e527a5e06..10057078b233 100644
  
  # Leave processing to above invocation of make
 -- 
-2.14.3
+2.14.1
 

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0002-Add-arm64-coreos-verity-hash.patch

@@ -1,7 +1,7 @@
 From d25b1ad577bba0861ff76fcb244beac9f6c641b6 Mon Sep 17 00:00:00 2001
 From: Geoff Levand <geoff@infradead.org>
 Date: Fri, 11 Nov 2016 17:28:52 -0800
-Subject: [PATCH 2/5] Add arm64 coreos verity hash
+Subject: [PATCH 2/6] Add arm64 coreos verity hash
 
 Signed-off-by: Geoff Levand <geoff@infradead.org>
 ---
@@ -25,5 +25,5 @@ index 613fc3000677..fdaf86c78332 100644
  	/*
  	 * The debug table is referenced via its Relative Virtual Address (RVA),
 -- 
-2.14.3
+2.14.1
 

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0003-tools-objtool-Makefile-Don-t-fail-on-fallthrough-wit.patch

@@ -1,7 +1,7 @@
 From 647f63bb965113f925c1b2063c84c818bbb90e21 Mon Sep 17 00:00:00 2001
 From: David Michael <david.michael@coreos.com>
 Date: Thu, 8 Feb 2018 21:23:12 -0500
-Subject: [PATCH 3/5] tools/objtool/Makefile: Don't fail on fallthrough with
+Subject: [PATCH 3/6] tools/objtool/Makefile: Don't fail on fallthrough with
  new GCCs
 
 ---
@@ -23,5 +23,5 @@ index 95563b8e1ad7..307652c42a7b 100644
  
  CFLAGS += -I$(srctree)/tools/include/
 -- 
-2.14.3
+2.14.1
 

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0004-Revert-random-use-a-different-mixing-algorithm-for-a.patch

@@ -1,7 +1,7 @@
 From b6be7c4e22349ffc406700c7a26619cac584cebb Mon Sep 17 00:00:00 2001
 From: Jeremy Cline <jeremy@jcline.org>
 Date: Wed, 2 May 2018 15:16:29 -0400
-Subject: [PATCH 4/5] Revert "random: use a different mixing algorithm for
+Subject: [PATCH 4/6] Revert "random: use a different mixing algorithm for
  add_device_randomness()"
 
 This reverts commit 89b59f050347d376c2ace8b1ceb908a218cfdc2e.
@@ -92,5 +92,5 @@ index 8f4e11842c60..aa5b04af86c6 100644
  	trace_add_device_randomness(size, _RET_IP_);
  	spin_lock_irqsave(&input_pool.lock, flags);
 -- 
-2.14.3
+2.14.1
 

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0005-Revert-random-fix-crng_ready-test.patch

@@ -1,7 +1,7 @@
 From 890071b67cafa1d9540aa55bc69ed6c0f75862e0 Mon Sep 17 00:00:00 2001
 From: Jeremy Cline <jeremy@jcline.org>
 Date: Wed, 2 May 2018 15:18:03 -0400
-Subject: [PATCH 5/5] Revert "random: fix crng_ready() test"
+Subject: [PATCH 5/6] Revert "random: fix crng_ready() test"
 
 This reverts commit cd8d7a5778a4abf76ee8fe8f1bfcf78976029f8d.
 
@@ -60,5 +60,5 @@ index aa5b04af86c6..ef05cc685b74 100644
  		return;
  	}
 -- 
-2.14.3
+2.14.1
 

sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/4.16/z0006-Revert-xen-netfront-Fix-race-between-device-setup-an.patch

@@ -0,0 +1,157 @@
+From 4d873796c4f77e0b9eb3881ed2524bba3402c361 Mon Sep 17 00:00:00 2001
+From: Andrew Jeddeloh <andrew.jeddeloh@coreos.com>
+Date: Wed, 30 May 2018 17:50:37 -0700
+Subject: [PATCH 6/6] Revert "xen-netfront: Fix race between device setup and
+ open"
+
+This reverts commit f599c64fdf7d9c108e8717fb04bc41c680120da4.
+
+This causes failures to set mtu > 1500 on some aws instances.
+---
+ drivers/net/xen-netfront.c | 46 ++++++++++++++++++++++------------------------
+ 1 file changed, 22 insertions(+), 24 deletions(-)
+
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index 3127bc8633ca..5a37ee2372a3 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -351,9 +351,6 @@ static int xennet_open(struct net_device *dev)
+ 	unsigned int i = 0;
+ 	struct netfront_queue *queue = NULL;
+ 
+-	if (!np->queues)
+-		return -ENODEV;
+-
+ 	for (i = 0; i < num_queues; ++i) {
+ 		queue = &np->queues[i];
+ 		napi_enable(&queue->napi);
+@@ -1361,8 +1358,18 @@ static int netfront_probe(struct xenbus_device *dev,
+ #ifdef CONFIG_SYSFS
+ 	info->netdev->sysfs_groups[0] = &xennet_dev_group;
+ #endif
++	err = register_netdev(info->netdev);
++	if (err) {
++		pr_warn("%s: register_netdev err=%d\n", __func__, err);
++		goto fail;
++	}
+ 
+ 	return 0;
++
++ fail:
++	xennet_free_netdev(netdev);
++	dev_set_drvdata(&dev->dev, NULL);
++	return err;
+ }
+ 
+ static void xennet_end_access(int ref, void *page)
+@@ -1730,6 +1737,8 @@ static void xennet_destroy_queues(struct netfront_info *info)
+ {
+ 	unsigned int i;
+ 
++	rtnl_lock();
++
+ 	for (i = 0; i < info->netdev->real_num_tx_queues; i++) {
+ 		struct netfront_queue *queue = &info->queues[i];
+ 
+@@ -1738,6 +1747,8 @@ static void xennet_destroy_queues(struct netfront_info *info)
+ 		netif_napi_del(&queue->napi);
+ 	}
+ 
++	rtnl_unlock();
++
+ 	kfree(info->queues);
+ 	info->queues = NULL;
+ }
+@@ -1753,6 +1764,8 @@ static int xennet_create_queues(struct netfront_info *info,
+ 	if (!info->queues)
+ 		return -ENOMEM;
+ 
++	rtnl_lock();
++
+ 	for (i = 0; i < *num_queues; i++) {
+ 		struct netfront_queue *queue = &info->queues[i];
+ 
+@@ -1761,7 +1774,7 @@ static int xennet_create_queues(struct netfront_info *info,
+ 
+ 		ret = xennet_init_queue(queue);
+ 		if (ret < 0) {
+-			dev_warn(&info->xbdev->dev,
++			dev_warn(&info->netdev->dev,
+ 				 "only created %d queues\n", i);
+ 			*num_queues = i;
+ 			break;
+@@ -1775,8 +1788,10 @@ static int xennet_create_queues(struct netfront_info *info,
+ 
+ 	netif_set_real_num_tx_queues(info->netdev, *num_queues);
+ 
++	rtnl_unlock();
++
+ 	if (*num_queues == 0) {
+-		dev_err(&info->xbdev->dev, "no queues\n");
++		dev_err(&info->netdev->dev, "no queues\n");
+ 		return -EINVAL;
+ 	}
+ 	return 0;
+@@ -1813,7 +1828,6 @@ static int talk_to_netback(struct xenbus_device *dev,
+ 		goto out;
+ 	}
+ 
+-	rtnl_lock();
+ 	if (info->queues)
+ 		xennet_destroy_queues(info);
+ 
+@@ -1824,7 +1838,6 @@ static int talk_to_netback(struct xenbus_device *dev,
+ 		info->queues = NULL;
+ 		goto out;
+ 	}
+-	rtnl_unlock();
+ 
+ 	/* Create shared ring, alloc event channel -- for each queue */
+ 	for (i = 0; i < num_queues; ++i) {
+@@ -1921,10 +1934,8 @@ static int talk_to_netback(struct xenbus_device *dev,
+ 	xenbus_transaction_end(xbt, 1);
+  destroy_ring:
+ 	xennet_disconnect_backend(info);
+-	rtnl_lock();
+ 	xennet_destroy_queues(info);
+  out:
+-	rtnl_unlock();
+ 	device_unregister(&dev->dev);
+ 	return err;
+ }
+@@ -1954,15 +1965,6 @@ static int xennet_connect(struct net_device *dev)
+ 	netdev_update_features(dev);
+ 	rtnl_unlock();
+ 
+-	if (dev->reg_state == NETREG_UNINITIALIZED) {
+-		err = register_netdev(dev);
+-		if (err) {
+-			pr_warn("%s: register_netdev err=%d\n", __func__, err);
+-			device_unregister(&np->xbdev->dev);
+-			return err;
+-		}
+-	}
+-
+ 	/*
+ 	 * All public and private state should now be sane.  Get
+ 	 * ready to start sending and receiving packets and give the driver
+@@ -2153,14 +2155,10 @@ static int xennet_remove(struct xenbus_device *dev)
+ 
+ 	xennet_disconnect_backend(info);
+ 
+-	if (info->netdev->reg_state == NETREG_REGISTERED)
+-		unregister_netdev(info->netdev);
++	unregister_netdev(info->netdev);
+ 
+-	if (info->queues) {
+-		rtnl_lock();
++	if (info->queues)
+ 		xennet_destroy_queues(info);
+-		rtnl_unlock();
+-	}
+ 	xennet_free_netdev(info->netdev);
+ 
+ 	return 0;
+-- 
+2.14.1
+