diff --git a/sys-kernel/backbone-sources/Manifest b/sys-kernel/backbone-sources/Manifest
index d5439214..255f8185 100644
--- a/sys-kernel/backbone-sources/Manifest
+++ b/sys-kernel/backbone-sources/Manifest
@@ -9,9 +9,11 @@ DIST linux-backbone-3.10.17.tar.gz 113437397 SHA256 60f9791d09e0c8807f7744507d97
 DIST linux-backbone-3.10.18.tar.gz 113440732 SHA256 351215bef0496ee59687fc499e788655592c928d014eb822b180e72d49e1c2a3 SHA512 97787795eebdb01b3414f014fccc4d73fc832add1c2e3284dc65863746d2023dfef343500396b246c6a3e8087db545a78fec794e5b124bac34374321c010054a WHIRLPOOL fa8d82988fe7c69420259baeee5b006c16d973e581759a03c104ee7eb99ae9b80b8f6f0112ef081eb6c696c8af1da2ed478e0e9857cedf899116783380da2676
 DIST linux-backbone-3.10.19.tar.gz 113449839 SHA256 1e04c23ae9789c3e55b0d81d5d801497cb4340c509e0234d1e543c140d81009a SHA512 0011095557ce344ce58e3ff0d304a4d0559f7f4b7582b3322059b6f62535a0bc5b8897e049d83311d24df23441877fe86843f2732308dd53bfb914719696361a WHIRLPOOL 86d4465c43361647281268ebed7c20d0ce2a3533d79bc2a450716e6bfc3bbecd4a5337d923574b64591fbc29422fc7a3334cc15dfec18a82c977b651a908d368
 DIST linux-backbone-3.10.20.tar.gz 113447849 SHA256 48e78f81ce5ae202fe8e196b8b94a36960980fedc720c6a528d85cbfb6af4463 SHA512 5fd20e8ed2116137544069af3b345c82007c5c58c20595bfba0d07e4f7589074ecc483864368f540fd0c8fa78ea613e16a2c1e635d110a6e7a82dc0f407e5bf7 WHIRLPOOL b05ac5de63f007eef5bd0e424dec10a14fab16deac5eda8c34640625e1bc2adb8e98dd0a5e82a6ea89bb29b18c530b2447c9fff87cfc9ae31c69869ec4d60541
+DIST linux-backbone-3.10.21.tar.gz 113451037 SHA256 c80b7c653f0efbc2e25882ef42c1543666687b273c40e5eaf9a7ddbe7b4a0128 SHA512 f153485788376c59d3fdae7d35d2fcbb2111524178917dce140f3c5e627d646e1040b99f3bfba13bd25257e7c373499bf080d5b19778e5882b70cb165c670198 WHIRLPOOL 5c61fad299f7f1a0317e095a47b6535b1d431602128f2e8dd5d3a97ec938614ff39ad10b1c54aa66097cca4ece8ea2f077c89adcbebbe5a780323834ad213974
 DIST linux-backbone-3.10.9.tar.gz 113418630 SHA256 410efb5bd1f4b1a031aa19326c8bb226040724eb99c5e94d1d275fc53103017d SHA512 b478a38458d0c8d81dc6f2a55f8211fa8e760987a89163c93bca0db221a5dcbfda7b83750fdf71687ae4bf4d786617e30e25d88ee092c737c6c9af36db884612 WHIRLPOOL 81ca1bfd57cad07ca969805a3f8fc89f31dfa348e379fb9734a40b6d9eac940339381e6ee58b54527d28cf6ec06ae1c5e426994552855926edfbdcbdfbb90532
 DIST linux-backbone-3.11.0.tar.gz 116297598 SHA256 7a55d8e8f1a48bbd58cc3ec36e1d5aa5c7baef8b8ebe94db1f321dc9744058fa SHA512 2f10f1a2b83ef77f993bc4ecdd488f73b0faa9b649caa267ac2d959cd2a5f0525dfb8f9fc90e8f9173995b399a0815c0599e50a336810cdb96f00ff7f1f0cfbb WHIRLPOOL b5beb06ba89765e86e417556edf5080f16e0c2e37e07d65280c1231d3792a638762fd42e70c4bc32aef5abf2bb8ae586ba19b046eb529d2d5d3d4186127df42f
 DIST linux-backbone-3.11.1.tar.gz 116297289 SHA256 a4fe698e0437b332222d15ac903935d9153e41685f29d66eb943254beb9faafa SHA512 3884f21297d67e0dfbf94eeccbeaa74528990143b832b1b3bd88e78b407b8781cd2454c30ff75c326e613ab5a75cfa6119d6c1d222cbe7f4d93c90927886a43f WHIRLPOOL 1a6b44aee285d63f00a795b62ed7ed63b3ff68994e52638b19e0433967bc038e06e0fe7e8f51dc01fb7c9f69aa4b581fac34e78d74a55a224fb8421cccc2a790
+DIST linux-backbone-3.11.10.tar.gz 116332715 SHA256 38686215a0581de23db624d61e67b8cd476e0fcda4423b516ee2cd22a7ac317f SHA512 fd7ce8ec061d14a801d3cf9e1c02e9aed38bb8dfbe74dafa53c296a3906fa238d670246b837077260cf0125addaaf101745f26ba808f337e818082f2aa0320ed WHIRLPOOL e366cda58aa70972e5901995ecd4e9c1c84cc93c381b7df7b7deb839eb3de9d6bd291c272c0c0ec997bded4125bea9eae7a6b72a6ed482364b2bfff129384e86
 DIST linux-backbone-3.11.2.tar.gz 116306279 SHA256 7b0b462d665ca7c85ed39ea5db0e6a1a8ffe5b45f6a89ebbe78621b7c4945cb5 SHA512 0959dbeb0aee9cb7ecf015b7ce9124254777b41599602a3f68ac606a2468f9f72b3230c0d31e4a0162d262ff591e6f6997885ffe7fadfb2f0c16e52adb1132f1 WHIRLPOOL 6f9ae06eb0ed26c2cf64b8957f8eee89a38f3e4937560b79f5fd32e40114e4101a68d6ebf74c9b1c719addefb9d3f8ed4d6babc5c9b048f9be220fa0c622209c
 DIST linux-backbone-3.11.3.tar.gz 116309993 SHA256 552434ff03eec707d0fb49e729e65434c33d0434dd02b2aeeb7fb30fd91c9e6c SHA512 560b31ddc684a254d4dfb704e6c5e24498e1fad700d8e9970dd055d55d4dcbae9289f789cbf0f7b545d81365d4c80fc4d16d7ca80b19635909448b4aaadd46a3 WHIRLPOOL 6592a740a948666718db11b337c9117eb69ede0543865282aadfa141089219c27c149a35ebc5e05091832c345708e007499f35d483a1f0efacaf18ccefc8105e
 DIST linux-backbone-3.11.4-r2.tar.gz 116316899 SHA256 1d21d0a6968216a45646230745362417f7e44a58ba70810db67e47f8d94297b6 SHA512 688384e9a06b2adb27e6ae098b577fe3e07abd030bcb584ad7963ea59d7c54d10993e1b3209737fe1dadbe6acf883c3d36fec168ddbe3dd40c3efe8defeadccc WHIRLPOOL 78aa6432e2b207bec679133844b38fe84f312ed2c6283ffa8d9536d0f41b10d06dc3cca3cc97f45036c7377709d3b39df46d2e90c7758e3a0e784a7a37e5c193
@@ -21,4 +23,5 @@ DIST linux-backbone-3.11.7.tar.gz 116317132 SHA256 11b2b50d607d9d6bed9c38de32269
 DIST linux-backbone-3.11.8.tar.gz 116325256 SHA256 77db285381b0f13817f2020a55e92c3b8b0b1572ff0b4b24fd80a228c999a06a SHA512 c09323413a9c3900b4917c90084214f564e09fb5fb5d896bdc3d8a9074665d2bd713388c2e0c386716ba58b021636344c74aca0d9f64778a12aa9dea0a1fc2be WHIRLPOOL 2b0c9e521c1fce9c1c2a6b78707f6c360caf551ebd7f54de23f233bb9ccb19d60a43eb55f96edb34f2886de3a999deb9d218c788ddd51094c9b7589048eb5ca1
 DIST linux-backbone-3.11.9.tar.gz 116327517 SHA256 195549191928d9000e26cdf3cab0d44f400eec495af93d04d6df72178fc56182 SHA512 30b8bb90ff6433c50bad3b5eeb320a1d08740b64a2cfe80079abe11352b570a71c64ec92c77d6acd09a6714b01dd5e7ccd323cd8c38d15e81a5597debde6f837 WHIRLPOOL 2f36e9e4eb2476a847f476c56f8a23fd75b585313110b54b5ce4fee853d7dd9d22f2474e6b1429341198e68f8e5952ca4d87fdb98516f5bfe5f0485ff3c7e858
 DIST linux-backbone-3.12.0.tar.gz 116950267 SHA256 2bbdb8cec40a2da47f4f12c9338b1466f26a948c0923423d2c7765251f4a9ff9 SHA512 7d1f2ccd3df40a0284cb4bbfae49e3ab3f159228d8dd1ea0aad80227de60c1dbec33b8ddd4919fb19350c01854715fc228e2b22987d1d552b552412eeb380b0c WHIRLPOOL 1bba363fcba6c6a9ee3565b07ca1f86d128c199b17fe4508af9f7ec358dae38599523c956e39d2acba59f7d1a87c2cc94435aa50054d74e9f9cd409cd6a40ebd
+DIST linux-backbone-3.12.1-r1.tar.gz 117016303 SHA256 3ef4592ed71f68f116f9576c60010dddbe1610b7aebc895a6099da7420cbabb6 SHA512 aa054105d2bac0ba31e08f9840c6bee0ee10c0b843ace433ae89fc6305ba041db4137127dbca100e4c49fb8d7dac3d6fc8af37da1346a487d0648d3204afa8b2 WHIRLPOOL 42d453605790e9f7d8bcb94fd00c87f2f1419da6e6075c192b5e253bf454643da08b0b87ac1327ac5bff7beaf3249dd87eab8be0171034d4928e11eda546347d
 DIST linux-backbone-3.12.1.tar.gz 117013071 SHA256 59ab3ce8cf956d37a3f2a3af724076e75f0be5d2127e4f2715400e660c56b6d6 SHA512 75c6439299f0bc2625a1d34d8bf424eb47b4092764c6f6a9872bb7f1df6048895759de06f05b0941af8db18c339c31ea862e922cec6500fe8e22f86839156dd3 WHIRLPOOL 93cb4edbeba370c101d081e265fa06fe33cf46895a214628f212a1ed845303a7a52e22f205b2e6da156348168caa00d800b3348a2d679a44250a43933b477431
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.10.21.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.10.21.ebuild
new file mode 100644
index 00000000..7c58cb24
--- /dev/null
+++ b/sys-kernel/backbone-sources/backbone-sources-3.10.21.ebuild
@@ -0,0 +1,33 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI="5"
+ETYPE="sources"
+inherit kernel-2
+detect_version
+detect_arch
+
+KEYWORDS="-* ~amd64 ~x86"
+HOMEPAGE="https://git.backbone.ws/linux/backbone-sources"
+SLOT="3.10.21"
+PROVIDE="virtual/linux-sources"
+
+DESCRIPTION="Full kernel sources including Zen, TuxOnIce, Gcc, BLD, cjktty for ${KV_MAJOR}.${KV_MINOR} kernel tree"
+SRC_URI="https://git.backbone.ws/linux/backbone-sources/archive-tarball/v${PVR}.tgz -> linux-backbone-${PVR}.tar.gz"
+
+src_unpack() {
+	tar -xf ${DISTDIR}/linux-backbone-${PVR}.tar.gz
+	if [[ ${PR} != "r0" ]]; then REV="-${PR}"; fi
+	mv ${WORKDIR}/linux-backbone-sources ${WORKDIR}/linux-${PV}-backbone${REV}
+}
+
+pkg_postinst() {
+	kernel-2_pkg_postinst
+	einfo "For more info on this patchset, and how to report problems, see:"
+	einfo "${HOMEPAGE}"
+}
+
+pkg_postrm() {
+	kernel-2_pkg_postrm
+}
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.11.10.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.11.10.ebuild
new file mode 100644
index 00000000..bb4cc939
--- /dev/null
+++ b/sys-kernel/backbone-sources/backbone-sources-3.11.10.ebuild
@@ -0,0 +1,33 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI="5"
+ETYPE="sources"
+inherit kernel-2
+detect_version
+detect_arch
+
+KEYWORDS="-* ~amd64 ~x86"
+HOMEPAGE="https://git.backbone.ws/linux/backbone-sources"
+SLOT="3.11.10"
+PROVIDE="virtual/linux-sources"
+
+DESCRIPTION="Full kernel sources including Zen, TuxOnIce, Gcc, BLD, cjktty for ${KV_MAJOR}.${KV_MINOR} kernel tree"
+SRC_URI="https://git.backbone.ws/linux/backbone-sources/archive-tarball/v${PVR}.tgz -> linux-backbone-${PVR}.tar.gz"
+
+src_unpack() {
+	tar -xf ${DISTDIR}/linux-backbone-${PVR}.tar.gz
+	if [[ ${PR} != "r0" ]]; then REV="-${PR}"; fi
+	mv ${WORKDIR}/linux-backbone-sources ${WORKDIR}/linux-${PV}-backbone${REV}
+}
+
+pkg_postinst() {
+	kernel-2_pkg_postinst
+	einfo "For more info on this patchset, and how to report problems, see:"
+	einfo "${HOMEPAGE}"
+}
+
+pkg_postrm() {
+	kernel-2_pkg_postrm
+}
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.12.1-r1.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.12.1-r1.ebuild
new file mode 100644
index 00000000..d861ec09
--- /dev/null
+++ b/sys-kernel/backbone-sources/backbone-sources-3.12.1-r1.ebuild
@@ -0,0 +1,33 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI="5"
+ETYPE="sources"
+inherit kernel-2
+detect_version
+detect_arch
+
+KEYWORDS="-* ~amd64 ~x86"
+HOMEPAGE="https://git.backbone.ws/linux/backbone-sources"
+SLOT="3.12.1"
+PROVIDE="virtual/linux-sources"
+
+DESCRIPTION="Full kernel sources including Zen, TuxOnIce, Gcc, BLD, cjktty for ${KV_MAJOR}.${KV_MINOR} kernel tree"
+SRC_URI="https://git.backbone.ws/linux/backbone-sources/archive-tarball/v${PVR}.tgz -> linux-backbone-${PVR}.tar.gz"
+
+src_unpack() {
+	tar -xf ${DISTDIR}/linux-backbone-${PVR}.tar.gz
+	if [[ ${PR} != "r0" ]]; then REV="-${PR}"; fi
+	mv ${WORKDIR}/linux-backbone-sources ${WORKDIR}/linux-${PV}-backbone${REV}
+}
+
+pkg_postinst() {
+	kernel-2_pkg_postinst
+	einfo "For more info on this patchset, and how to report problems, see:"
+	einfo "${HOMEPAGE}"
+}
+
+pkg_postrm() {
+	kernel-2_pkg_postrm
+}