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1<?xml version="1.0" encoding="UTF-8"?> 1<?xml version="1.0" encoding="UTF-8"?>
2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-kernel.xml,v 1.7 2004/06/24 12:39:58 dertobi123 Exp $ --> 2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-kernel.xml,v 1.39 2006/01/31 01:15:42 flammie Exp $ -->
3 3
4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
5<guide link="/doc/en/gentoo-kernel.xml"> 5<guide link="/doc/en/gentoo-kernel.xml">
6<title>Gentoo Linux Kernel Guide</title> 6<title>Gentoo Linux Kernel Guide</title>
7<author title="Author"> 7<author title="Author">
8 <mail link="swift@gentoo.org">Sven Vermeulen</mail> 8 <mail link="swift@gentoo.org">Sven Vermeulen</mail>
9</author> 9</author>
10<author title="Contributor"> 10<author title="Contributor">
11 <mail link="lostlogic@gentoo.org">Brandon Low</mail> 11 <mail link="lostlogic@gentoo.org">Brandon Low</mail>
12</author> 12</author>
13<author title="Editor"> 13<author title="Editor">
14 <mail link="dsd@gentoo.org">Daniel Drake</mail>
15</author>
16<author title="Editor">
14 <mail link="carl@gentoo.org">Carl Anderson</mail> 17 <mail link="carl@gentoo.org">Carl Anderson</mail>
15</author> 18</author>
16<author title="Editor"> 19<author title="Editor">
17 <mail link="peesh@gentoo.org">Jorge Paulo</mail> 20 <mail link="peesh@gentoo.org">Jorge Paulo</mail>
21</author>
22<author title="Editor">
23 <mail link="bennyc@gentoo.org">Benny Chuang</mail>
24</author>
25<author title="Editor">
26 <mail link="greg_g@gentoo.org">Gregorio Guidi</mail>
27</author>
28<author title="Editor">
29 <mail link="fox2mike@gentoo.org">Shyam Mani</mail>
18</author> 30</author>
19 31
20<abstract> 32<abstract>
21This document gives you an overview on all kernelsources that Gentoo 33This document gives you an overview on all kernel sources that Gentoo
22provides through Portage. 34provides through Portage.
23</abstract> 35</abstract>
24 36
37<!-- The content of this document is licensed under the CC-BY-SA license -->
38<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
25<license/> 39<license/>
26 40
27<version>0.3</version> 41<version>1.13</version>
28<date>February 9, 2004</date> 42<date>2006-01-30</date>
29 43
30<chapter> 44<chapter>
31<title>Introduction</title> 45<title>Introduction</title>
32<section> 46<section>
33<body> 47<body>
45</body> 59</body>
46</section> 60</section>
47</chapter> 61</chapter>
48 62
49<chapter> 63<chapter>
50<title>The Choices, Part I</title> 64<title>Supported kernel packages</title>
51<section>
52<title>gentoo-sources</title>
53<body>
54
55<p>
56For most users, the recommended kernel sources are the
57<c>gentoo-sources</c>. The <c>gentoo-sources</c> package contains
58specially tuned performance kernel patches designed to optimize tasks
59such as compiling while listening to music and browsing the web. Most
60of you who are new to Gentoo have probably never run a system where you
61are regularly compiling many packages from source while you are doing your
62normal everyday tasks on your computer.
63You may find that if you use the <c>vanilla-sources</c> (the official
64kernel sources released from <uri>http://www.kernel.org</uri>) normal tasks --
65such as listening to music, moving your mouse and the like -- may appear
66jumpy when you are compiling packages.
67</p>
68
69<p>
70The <c>gentoo-sources</c> contain an updated ACPI subsystem and are based
71on Con Kolivas' high-performance kernel patches (<c>ck-sources</c>). We also
72support grSecurity (a set of security-related patches with support for
73ACLs), EVMS(2) (a highly flexible storage management filesystem with easy
74partition resizing), JFS (IBM's high-performance filesystem), the latest
75NTFS drivers, and more.
76</p>
77
78<p>
79Because the <c>gentoo-sources</c> are targeted at full performance, they are
80also very good for gaming purposes.
81</p>
82
83</body>
84</section> 65<section>
66<title>genkernel</title>
67<body>
68
69<p>
70<c>Genkernel</c> is a kernel toolset that can be used to autodetect your
71hardware and configure your kernel automatically. This is usually recommended
72for users who do not feel comfortable about compiling a kernel manually.
73</p>
74
75<p>
76For more information, please read the <uri link="/doc/en/genkernel.xml">Gentoo
77Linux Genkernel Guide</uri>.
78</p>
79
80</body>
85<section> 81</section>
82<section>
83<title>General purpose: gentoo-sources</title>
84<body>
85
86<p>
87For most users, we recommend the <c>gentoo-sources</c> kernel. Since the
882005.0 release, Gentoo Linux uses 2.6 as the default kernel. Unless you are
89specifically using the 2.4 profile, <c>gentoo-sources</c> will be a 2.6 kernel
90on <e>most</e> architectures.
91</p>
92
93<p>
94<c>gentoo-sources</c> is a kernel based on Linux 2.6, with various kernel
95patches included to fix security problems, kernel bugs, and to increase
96compatibility with the more uncommon system architectures. Linux 2.6 is
97the current official stable kernel tree, and development is progressing
98rapidly. For highest performance, best hardware support, and its large
99new feature set, we recommend 2.6 over its older 2.4 counterpart.
100</p>
101
102<p>
103Some of the more uncommon system architectures are not fully compatible with
104Linux 2.6, and some users prefer to the tried-and-tested Linux 2.4 kernel;
105for this reason we provide <c>gentoo-sources</c> (the 2.4 version). The
106patches included in this kernel are similar to those included in its 2.6
107counterpart, plus a number of patches designed to add functionality and
108improve performance. Linux 2.4 is currently not being developed further - only
109bug and security fixes are being included in the newer releases. If you are
110able to, we suggest that you upgrade to Linux 2.6. You may find the
111<uri link="/doc/en/migration-to-2.6.xml">migration document</uri> useful.
112</p>
113
114<p>
115The <c>gentoo-sources</c> package absorbs most of the resources of the Gentoo
116kernel team. They are brought to you by a group of talented developers, which
117can count on the expertise of popular kernel hacker Greg Kroah-Hartman,
118maintainer of udev and responsible for the USB and PCI subsystems of the
119official Linux kernel.
120</p>
121
122</body>
123</section>
124<section>
86<title>vanilla-sources</title> 125<title>Plain kernels: vanilla-sources</title>
87<body> 126<body>
88 127
89<p> 128<p>
90The next kernel sources that many of you will probably be familiar with 129The next kernel sources that many of you will probably be familiar with
91as Linux users are the <c>vanilla-sources</c>. As I mentioned briefly 130as Linux users are the <c>vanilla-sources</c>. These are the official kernel
92above, these are the official 2.4 kernel sources released on 131sources released on <uri>http://www.kernel.org/</uri>. Please note that we do
93<uri>http://www.kernel.org/</uri>. These sources are maintained (contrary 132not patch these kernels at all - these are purely for people who wish to run
94to popular belief) not by Linus Torvalds himself, but by Marcelo 133a completely unmodified Linux kernel.
95Tosatti. Linus is the leader of active kernel development, but as he is
96only one man, he passes off the maintenance of the stable 2.4 kernel branch
97to someone he can trust to handle it once it has stabilized. Thus, Alan
98Cox became the maintainer of the Linux-2.2 kernel series and Marcelo
99Tosatti became the maintainer of the Linux-2.4 kernel series. This is
100what all the other patch sets in the 2.4 series are based on. Marcelo has
101been doing an outstanding job with its maintenance and it can be
102counted on for stability and up-to-date (if not bleeding edge) hardware
103support.
104</p>
105
106<p> 134</p>
107<c>vanilla-sources</c> are probably the most stable sources available 135
108since they are the most tested and all possible kernel sources are based
109on them. If you don't need any of the extras that the other kernels supply
110then the <c>vanilla-sources</c> are your thing.
111</p> 136<p>
137Similar to <c>gentoo-sources</c>, two versions of the kernel can be found
138under this package: 2.4 and 2.6.
139</p>
112 140
141<p>
142Linux 2.4 is maintained by Marcelo Tosatti. Linus Torvalds, the original
143creator of Linux, handed maintainership of the Linux 2.4 branch over to
144Marcelo when Linus went off to start developing the newer 2.6 kernel tree.
145Marcelo has done a fine job of keeping 2.4 stable and secure, and is now
146only accepting security and bug fixes into the 2.4 kernel tree. Actual
147development happens in the Linux 2.6 kernel tree.
148</p>
149
150<p>
151Linux 2.6 is maintained by Andrew Morton, who works closely with Linus
152Torvalds to deliver a fast, powerful, and feature-packed Linux kernel.
153Development is happening at incredible pace and this kernel tree is now very
154mature.
155</p>
156
113</body> 157</body>
114</section>
115<section> 158</section>
116<title>development-sources</title>
117<body>
118 159
119<p>
120The <c>development-sources</c> ebuild provides the stable 2.6 Linux kernel.
121As opposed to what the name might suggest this kernel source is completely
122stable and production-ready.
123</p>
124
125</body>
126</section> 160<section>
127<section> 161<title>For servers: hardened-sources and rsbac-sources</title>
128<title>gs-sources</title>
129<body>
130
131<p>
132For users to whom desktop interactive performance comes as a secondary
133priority to reliability and hardware support, we have the
134<c>gs-sources</c>. GS stands for Gentoo Stable (creative, aren't we?).
135This patch set is tuned and tested to provide the best support for the
136latest hardware and ensures that your mission critical servers will be
137up when you need them. This kernel doesn't have some of the most
138aggressive performance tuning patches from the <c>gentoo-sources</c>,
139but rest assured, the great performance that you know and love from the
140vanilla kernels are alive and well. Where possible and without
141compromising stability we add server related performance patches.
142</p>
143
144<p>
145This kernel provides support for the latest ACPI subsystem, EVMS, ECC
146(required for HA Linux systems), Encrypted Loopback devices, NTFS, Win4Lin
147and XFS. It also contains updates for IDE, ext3 and several network cards
148amongst other patches.
149</p>
150
151<p>
152In other words, these sources are perfect for servers and
153High-Availability systems.
154</p>
155
156<p>
157The following USE-flags can be set to select optional patches:
158</p>
159
160<table>
161<tr><th>Flags</th><th>Description</th></tr>
162<tr><ti>crypt</ti><ti>Apply cryptographic patches</ti></tr>
163</table>
164
165</body> 162<body>
166</section>
167<section>
168<title>gentoo-test-sources</title>
169<body>
170 163
171<p>
172<c>gentoo-test-sources</c> are what will become <c>gentoo-sources</c> after
173lots of testing and QA. Patches to the <c>gentoo-sources</c> are first
174added to <c>gentoo-test-sources</c> for testing. So if you want the
175performance of <c>gentoo-sources</c> with the most recent possible
176patches, use <c>gentoo-test-sources</c>.
177</p> 164<p>
178 165<c>hardened-sources</c> is based on the official Linux kernel and is targeted
179</body> 166at our users running Gentoo on server systems. It provides patches for the
180</section> 167various subprojects of Gentoo Hardened (such as support for
181<section> 168<uri link="http://www.nsa.gov/selinux/">LSM/SELinux</uri> and
182<title>hardened-sources</title> 169<uri link="http://grsecurity.net">grsecurity</uri>), together with
183<body> 170stability/security-enhancements. Like <c>gentoo-sources</c> it comes in 2.6
184 171and 2.4 versions. Check <uri>http://www.gentoo.org/proj/en/hardened/</uri> for
172more information.
185<p> 173</p>
186<c>hardened-sources</c> provides patches for the various subprojects of 174
187Gentoo Hardened (such as support for LSM/SELinux and GRSecurity), together
188with stability/security-enhancements. Check
189<uri>http://www.gentoo.org/proj/en/hardened/</uri> for more information.
190</p> 175<p>
191 176<c>rsbac-sources</c> contains patches to use Rule Set Based Access Controls
177(<uri link="http://www.rsbac.org">RSBAC</uri>) and comes in 2.4 and 2.6
178flavours. It is maintained by the <uri link="/proj/en/hardened/rsbac/">RSBAC
179project</uri>, a sub-project of Gentoo Hardened.
192<p> 180</p>
193The following USE-flags can be set to select optional patches:
194</p>
195 181
196<table> 182<impo>
197<tr><th>Flags</th><th>Description</th></tr> 183These kernels provide powerful patches for enhanced security. Please read the
198<tr><ti>selinux</ti><ti>Substitute grSecurity with SELinux support</ti></tr> 184<uri link="/proj/en/hardened/">documentation</uri> before you use them.
199</table> 185</impo>
200
201</body>
202</section>
203<section>
204<title>xfs-sources</title>
205<body>
206
207<p>
208<c>xfs-sources</c> contains support for EVMS, ACPI, grSecurity and, what
209you probably already figured out by now, the latest XFS support patches
210from the XFS Development. Please note that XFS support has been merged
211into the regular 2.4 kernel tree.
212</p>
213
214<p>
215More information about XFS on <uri>http://oss.sgi.com/projects/xfs/</uri>.
216</p>
217 186
218</body> 187</body>
219</section> 188</section>
220<section> 189<section>
221<title>Architecture dependent kernels</title> 190<title>Architecture dependent kernels</title>
222<body> 191<body>
223 192
224<p> 193<p>
225<c>alpha-sources</c>, <c>hppa-sources</c>, <c>ia64-sources</c>, 194<c>alpha-sources</c>, <c>hppa-sources</c>,<c>mips-sources</c>, <c>sh-sources</c>
226<c>mips-sources</c>, <c>ppc-sources</c> and 195<c>sparc-sources</c> and <c>xbox-sources</c> are, as their names suggest,
227<c>sparc-sources</c> are, as their names suggest, patched to run best on 196patched to run best on specific architectures. They also contain some of the
228specific architectures. They also contain some of the patches for hardware and 197patches for hardware and features support from the other patch sets mentioned
229features support from the other patch sets mentioned above and below. 198above and below.
230</p>
231
232</body>
233</section>
234<section>
235<title>ppc-sources-benh</title>
236<body>
237
238<p>
239The <c>ppc-sources-benh</c> ebuilds provide additional hardware
240support for the <c>ppc-sources</c> kernel. It is slightly more
241experimental than the <c>ppc-sources</c>.
242</p>
243
244</body>
245</section>
246<section>
247<title>ppc-sources-crypto</title>
248<body>
249
250<p>
251The <c>ppc-sources-crypto</c> ebuilds provide CryptoAPI
252support for the Gentoo Linux PPC Kernel. More information about
253CryptoAPI can be found on <uri>http://www.kerneli.org/about/</uri>.
254</p>
255
256</body>
257</section>
258<section>
259<title>ppc-sources-dev</title>
260<body>
261
262<p>
263The <c>ppc-sources-dev</c> packages provide the development sources for
264<c>ppc-sources</c>. Every patch which should become part of
265<c>ppc-sources</c> has to go through <c>ppc-sources-dev</c> first.
266</p>
267
268</body>
269</section>
270<section>
271<title>compaq-sources</title>
272<body>
273
274<p>
275The <c>compaq-sources</c> provide RedHat's kernel sources for Alpha,
276maintained by Compaq.
277</p> 199</p>
278 200
279</body> 201</body>
280</section> 202</section>
281</chapter> 203</chapter>
282 204
283<chapter> 205<chapter>
284<title>The Choices, Part II</title> 206<title>Unsupported kernel packages</title>
285<section> 207<section>
286<body> 208<body>
287 209
288<p> 210<p>
289Now I'm going to try to briefly describe some of the other 211Now I'm going to try to briefly describe some of the other
290<path>sys-kernel/*-sources</path> which you saw scroll by when you ran 212<path>sys-kernel/*-sources</path> which you saw scroll by when you ran
291<c>emerge -s sources</c>. Lets take them in alphabetical order. 213<c>emerge -s sources</c>. Lets take them in alphabetical order. These
292</p> 214kernels are provided as a courtesy only and the various patch sets are not
293 215supported by the Gentoo team.
294</body>
295</section>
296<section>
297<title>aa-sources</title>
298<body>
299
300<p>
301First we have <c>aa-sources</c>. This is Andrea Arcangeli's patch set.
302Andrea is known as an amazing coder by many other kernel hackers. His
303kernel patch set has some of the most aggressively tuned VM (Virtual
304Memory) patches known to mankind. When I last looked, it also contained
305SGI's XFS filesystem and the O(1) scheduler by Ingo Molar (which is
306the default scheduler for Linux 2.6).
307</p>
308
309<p>
310It also provides User Mode Linux support (check out our
311<uri link="/doc/en/uml.xml">UML Guide</uri> for more information) and
312the latest TUX Webserver (an in-kernel webserver).
313</p>
314
315<p>
316If you have Memory Management troubles with other kernels,
317<c>aa-sources</c> can be your solution. If you want to optimize Linux's
318Memory Management for your system, <c>aa-sources</c> is <e>definitely</e>
319what you need.
320</p>
321
322<p>
323Visit
324<uri>http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4</uri>
325for more information about all the patches in these kernel sources.
326</p> 216</p>
327 217
328</body> 218</body>
329</section> 219</section>
330<section> 220<section>
331<title>ck-sources</title> 221<title>ck-sources</title>
332<body> 222<body>
333 223
334<p> 224<p>
335<c>ck-sources</c> is Con Kolivas's kernel patch set. This kernel is 225<c>ck-sources</c> is Con Kolivas's kernel patch set. This patchset is
336<e>HIGHLY</e> tuned for desktop performance at the expense of 226primarily designed to improve system responsiveness and interactivity and is
337throughput and some of the scheduler's ability to prioritize 227configurable for varying workloads (from servers to desktops). The patchset is
338applications. Con Kolivas benchmarks kernels to find the best 228also quite mature and has been put through numerous iterations of development
339combination of features for desktop use. See 229and tuning. The emphasis of each release is on stability and security. Support
340<uri>http://kernel.kolivas.org</uri> for more information on Con and his 230and information is available at <uri>http://kernel.kolivas.org</uri> and in
341patches. 231<c>#ck</c> on <c>irc.oftc.net</c>.
342</p> 232</p>
343 233
344</body> 234</body>
345</section>
346<section> 235</section>
347<title>gaming-sources</title>
348<body>
349
350<p>
351<c>gaming-sources</c> are based on <c>ck-sources</c> and are therefore
352tuned for high performance. They also contain patches for the latest
353game-related hardware (graphic cards, sound cards, and such).
354</p>
355
356<p>
357If you are a hardcore gamer, this is your choice.
358</p>
359
360</body>
361</section> 236<section>
362<section>
363<title>grsec-sources</title> 237<title>git-sources</title>
364<body> 238<body>
365 239
366<p> 240<p>
367The <c>grsec-sources</c> kernel source is patched with the latest GRSecurity 241The <c>git-sources</c> package tracks daily snapshots of the upstream
368updates (GRSecurity version 1.9 and up) which includes, amongst other 242development kernel tree. You should run these kernels if you are interested in
369security-related patches, support for PaX. 243kernel development or testing. Bugreports should go to the <uri
244link="http://bugme.osdl.org/">Linux Kernel Bug Tracker</uri> or LKML (Linux
245Kernel Mailing List).
370</p> 246</p>
371 247
372</body> 248</body>
373</section> 249</section>
374<section> 250<section>
375<title>mm-sources</title> 251<title>mm-sources</title>
376<body> 252<body>
377 253
378<p> 254<p>
379The <c>mm-sources</c> are based on the <c>development-sources</c> and 255The <c>mm-sources</c> are based on the <c>vanilla-sources</c> and contain
380contain Andrew Morton's patch set. It assembles several other patches, 256Andrew Morton's patch set. They include the experimental and bleeding-edge
381like ext2/3 Extended Attributes and Access Control Lists, Page Table 257features that are going to be included in the official kernel (or that are
382Sharing, the Orlov Allocator, non-linear mapping behaviour, etc into one 258going to be rejected because they set your box on fire). They are known to be
383patch set. 259always moving at a fast pace and can change radically from one week to the
384</p> 260other; kernel hackers use them as a testing ground for new stuff.
385
386<p> 261</p>
262
263<p>
387If you really want to live on the edge and you think 264If you really want to live on the edge and you think
388<c>development-sources</c> are for wussies, then try out 265<c>vanilla-sources</c> are for wussies, then try out
389<c>mm-sources</c>. 266<c>mm-sources</c>. Be warned that this kernel is highly experimental and
267doesn't always work as expected.
390</p> 268</p>
391 269
392</body> 270</body>
393</section> 271</section>
394<section> 272<section>
395<title>openmosix-sources</title> 273<title>openmosix-sources</title>
396<body> 274<body>
397 275
398<p> 276<p>
399The <c>openmosix-sources</c> are patched to support the openMosix system 277The <c>openmosix-sources</c> are patched to support the openMosix system
400(like MOSIX but Open Source). For more information see 278(a cluster oriented kernel patchset like MOSIX but Open Source). For more
401<uri>http://www.openmosix.org</uri>. 279information see <uri>http://www.openmosix.org</uri>.
402</p> 280</p>
403 281
404</body> 282</body>
405</section>
406<section> 283</section>
407<title>pac-sources</title>
408<body>
409
410<p>
411The <c>pac-sources</c> kernel tree is patched with Bernhard Rosenkraenzer's
412(bero) patches.
413</p>
414
415</body>
416</section> 284<section>
285<title>openvz-sources</title>
286<body>
287
288<p>
289OpenVZ is a server virtualization solution built on Linux. OpenVZ creates
290isolated, secure virtual private servers (VPSs) or virtual environments on a
291single physical server enabling better server utilization and ensuring that
292applications do not conflict. For more information, see
293<uri>http://www.openvz.org</uri>.
294</p>
295
296</body>
417<section> 297</section>
418<title>planet-ccrma-sources</title>
419<body>
420
421<p>
422This kernel source contains the Linux Kernel source for the version of the
423Redhat Linux Kernel modified by the Planet CCRMA (custom audio upgrade) project.
424</p>
425
426<p>
427More information can be found at <uri>http://ccrma-www.stanford.edu/</uri>.
428</p>
429
430</body>
431</section> 298<section>
299<title>suspend2-sources</title>
300<body>
301
302<p>
303The <c>suspend2-sources</c> are patched with both genpatches
304which includes the patches found in gentoo-sources, and <uri
305link="http://www.suspend2.net">Software Suspend 2</uri> which is a new
306and improved implementation of suspend-to-disk for the Linux kernel.
307</p>
308
309<p>
310This kernel is recommended for laptop users who often rely on being able
311to suspend their laptop and resume work elsewhere.
312</p>
313
314</body>
432<section> 315</section>
316<section>
433<title>selinux-sources</title> 317<title>uclinux-sources</title>
434<body> 318<body>
435 319
436<p> 320<p>
437<c>selinux-sources</c> from <uri>http://www.nsa.gov/selinux</uri> are 321The <c>uclinux-sources</c> are meant for CPUs without MMUs as well as embedded
438patches for the security conscious to support the LSM (Linux Security 322devices. For more information, see <uri>http://www.uclinux.org</uri>.
439Modules) and the Flask Security Architecture.
440</p> 323</p>
441 324
442</body> 325</body>
443</section> 326</section>
444<section> 327<section>
458<uri link="/doc/en/uml.xml">Gentoo UML Guide</uri>. 341<uri link="/doc/en/uml.xml">Gentoo UML Guide</uri>.
459</p> 342</p>
460 343
461</body> 344</body>
462</section> 345</section>
346</chapter>
347
348<chapter>
349<title>Previously provided kernel packages</title>
350<section>
351<title>aa-sources</title>
352<body>
353
354<p>
355<c>aa-sources</c> was a heavily modified kernel with all kinds of patches.
356The upstream maintainer has stopped releasing kernel patchsets, this package
357was removed as it went out of date.
358</p>
359
360</body>
361</section>
362<section>
363<title>alpha-sources</title>
364<body>
365
366<p>
367<c>alpha-sources</c> was a 2.4 kernel with patches applied to improve hardware
368compatibility for the Alpha architecture. These patches have been developed
369and included in the mainline kernel. Alpha users can now run any recent kernel
370with no need for extra patches.
371</p>
372
373</body>
374</section>
375<section>
376<title>development-sources</title>
377<body>
378
379<p>
380<c>development-sources</c>, the official 2.6 kernel from kernel.org, can now
381be found under the <c>vanilla-sources</c> package.
382</p>
383
384</body>
385</section>
386<section>
387<title>gentoo-dev-sources</title>
388<body>
389
390<p>
391<c>gentoo-dev-sources</c>, a 2.6 kernel patched with bug, security and
392stability fixes, can now be found under the <c>gentoo-sources</c> package.
393</p>
394
395</body>
396</section>
397<section>
398<title>grsec-sources</title>
399<body>
400
401<p>
402The <c>grsec-sources</c> kernel source used to be patched with the latest
403grsecurity updates (grsecurity version 2.0 and up) which included, amongst
404other security-related patches, support for PaX. As grsecurity patches are
405included in <c>hardened-sources</c>, this package is no longer in Portage.
406</p>
407
408</body>
409</section>
410<section>
411<title>hardened-dev-sources</title>
412<body>
413
414<p>
415<c>hardened-dev-sources</c> can now be found under the <c>hardened-sources</c>
416package.
417</p>
418
419</body>
420</section>
421<section>
422<title>rsbac-dev-sources</title>
423<body>
424
425<p>
426The <c>rsbac-dev-sources</c> kernels can now be found under the
427<c>rsbac-sources</c> package.
428</p>
429
430</body>
431</section>
432<section>
433<title>selinux-sources</title>
434<body>
435
436<p>
437<c>selinux-sources</c>, a 2.4 kernel including lots of security enhancements,
438has been obsoleted by security development in the 2.6 tree. SELinux
439functionality can be found in the <c>hardened-sources</c> package.
440</p>
441
442</body>
443</section>
463<section> 444<section>
464<title>win4lin-sources</title> 445<title>win4lin-sources</title>
465<body> 446<body>
466 447
467<p> 448<p>
468<c>win4lin-sources</c> are patched to support the userland win4lin tools 449<c>win4lin-sources</c> were patched to support the userland win4lin tools
469that allow Linux users to run many Microsoft Windows (TM) applications 450that allow Linux users to run many Microsoft Windows (TM) applications
470at almost native speeds. See <uri>http://www.netraverse.com/</uri> for more 451at almost native speeds. This was removed due to security issues.
471information.
472</p>
473
474</body>
475</section>
476<section>
477<title>wolk-sources</title>
478<body>
479
480<p>
481<c>wolk-sources</c> contains the <e>Working Overloaded Linux Kernel</e> from
482<uri>http://sourceforge.net/projects/wolk</uri>. This kernel contains
483many patches of a wide variety, all combined into the kernel with
484extreme care. This allows you to configure nearly every one into and out
485of the kernel at compile time -- so the kernel will work with nearly any
486combination of the patches.
487</p>
488
489<p>
490If you need a certain combination of patches that you cannot find in other
491kernel sources, WOLK is definitely worth a shot.
492</p> 452</p>
493 453
494</body> 454</body>
495</section> 455</section>
496</chapter> 456</chapter>

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