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331755 |
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30-Mar-2018 |
emaste |
MFC r331426: Rationalize license text on Linuxolator files
Many licenses on Linuxolator files contained small variations from the standard FreeBSD license text. To avoid license proliferation switch to the standard 2-Clause FreeBSD license for those files where I have permission from each of the listed copyright holders.
Approved by: rdivacky, marcel
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302408 |
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07-Jul-2016 |
gjb |
Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle. Prune svn:mergeinfo from the new branch, as nothing has been merged here.
Additional commits post-branch will follow.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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283449 |
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24-May-2015 |
dchagin |
Update Linux compat revision to 32.
Differential Revision: https://reviews.freebsd.org/D1122 Reviewed by: emaste
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283421 |
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24-May-2015 |
dchagin |
Introduce a new module linux_common.ko which is intended for the following primary purposes:
1. Remove the dependency of linsysfs and linprocfs modules from linux.ko, which will be architecture specific on amd64.
2. Incorporate into linux_common.ko general code for platforms on which we'll support two Linuxulator modules (for both instruction set - 32 & 64 bit).
3. Move malloc(9) declaration to linux_common.ko, to enable getting memory usage statistics properly.
Currently linux_common.ko incorporates a code from linux_mib.c and linux_util.c and linprocfs, linsysfs and linux kernel modules depend on linux_common.ko.
Temporarily remove dtrace garbage from linux_mib.c and linux_util.c
Differential Revision: https://reviews.freebsd.org/D1072 In collaboration with: Vassilis Laganakos.
Reviewed by: trasz
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283386 |
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24-May-2015 |
dchagin |
Introduce LINUX_VERSION_STR, LINUX_VERSION_CODE macro for use instead of harcoded pr_osrelease, pr_osrel values. This will be used later in the VDSO.
Differential Revision: https://reviews.freebsd.org/D1042 Reviewed by: trasz
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219668 |
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15-Mar-2011 |
netchild |
Staticize functions which are not used somewhere else, move the corresponding prototypes from the header to the code file.
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191973 |
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10-May-2009 |
dchagin |
Do not export AT_CLKTCK when emulating Linux kernel prior to 2.4.0, as it has appeared in the 2.4.0-rc7 first time. Being exported, AT_CLKTCK is returned by sysconf(_SC_CLK_TCK), glibc falls back to the hard-coded CLK_TCK value when aux entry is not present.
Glibc versions prior to 2.2.1 always use hard-coded CLK_TCK value.
For older applications/libc's which depends on hard-coded CLK_TCK value user should set compat.linux.osrelease less than 2.4.0.
Approved by: kib (mentor)
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191972 |
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10-May-2009 |
dchagin |
Introduce linux_kernver() interface which is intended for an exact designation of the emulated kernel version.
linux_kernver() returns integer value formatted as 'VVVMMMIII' where VVV - version, MMM - major revision, III - minor revision.
Approved by: kib (mentor)
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191896 |
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07-May-2009 |
jamie |
Move the per-prison Linux MIB from a private one-off pointer to the new OSD-based jail extensions. This allows the Linux MIB to accessed via jail_set and jail_get, and serves as a demonstration of adding jail support to a module.
Reviewed by: dchagin, kib Approved by: bz (mentor)
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165687 |
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31-Dec-2006 |
netchild |
MFp4 (111746+): Redo the checking for 2.6 emulation. We now cache the value of use26 and replace calls to linux_get_osrelease() + parsing with a call to linux_use26(). Typical path is lockless now.
Pointed out by: kib
This allows to ship RELENG_7_0 with a default osrelease of 2.4.2 and the possibility to enable 2.6.x emulation without the possible performance impact of the previous version of the check.
Submitted by: rdivacky
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153448 |
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15-Dec-2005 |
jhb |
Remove linux_mib_destroy() (which I actually added in between 5.0 and 5.1) which existed to cleanup the linux_osname mutex. Now that MTX_SYSINIT() has grown a SYSUNINIT to destroy mutexes on unload, the extra destroy here was redundant and resulted in panics in debug kernels.
MFC after: 1 week Reported by: Goran Gajic ggajic at afrodita dot rcub dot bg dot ac dot yu
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112682 |
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26-Mar-2003 |
jhb |
Add a cleanup function to destroy the osname_lock and call it on module unload.
Submitted by: gallatin Reported by: Martin Karlsson <mk-freebsd@bredband.net>
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112206 |
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13-Mar-2003 |
jhb |
- Change the linux_[gs]et_os{name, release, s_version}() functions to take a thread instead of a proc for their first argument. - Add a mutex to protect the system-wide Linux osname, osrelease, and oss_version variables. - Change linux_get_prison() to take a thread instead of a proc for its first argument and to use td_ucred rather than p_ucred. This is ok because a thread's prison does not change even though it's ucred might. - Also, change linux_get_prison() to return a struct prison * instead of a struct linux_prison * since it returns with the struct prison locked and this makes it easier to safely unlock the prison when we are done messing with it.
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93073 |
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24-Mar-2002 |
bde |
Fixed some style bugs in the removal of __P(()). Tabs before "__P((" were not removed.
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92761 |
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20-Mar-2002 |
alfred |
Remove __P.
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87275 |
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03-Dec-2001 |
rwatson |
o Introduce pr_mtx into struct prison, providing protection for the mutable contents of struct prison (hostname, securelevel, refcount, pr_linux, ...) o Generally introduce mtx_lock()/mtx_unlock() calls throughout kern/ so as to enforce these protections, in particular, in kern_mib.c protection sysctl access to the hostname and securelevel, as well as kern_prot.c access to the securelevel for access control purposes. o Rewrite linux emulator abstractions for accessing per-jail linux mib entries (osname, osrelease, osversion) so that they don't return a pointer to the text in the struct linux_prison, rather, a copy to an array passed into the calls. Likewise, update linprocfs to use these primitives. o Update in_pcb.c to always use prison_getip() rather than directly accessing struct prison.
Reviewed by: jhb
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65067 |
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25-Aug-2000 |
marcel |
Fix typo in license.
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50480 |
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28-Aug-1999 |
peter |
$Id$ -> $FreeBSD$
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50465 |
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27-Aug-1999 |
marcel |
Add sysctl variables for the Linuxulator. These reside under `compat.linux' as discussed on current.
The following variables are defined (for now):
osname (defaults to "Linux") Allow users to change the name of the OS as returned by uname(2), specially added for all those Linux Netscape users and statistics maniacs :-) We now have what we all wanted!
osrelease (defaults to "2.2.5") Allow users to change the version of the OS as returned by uname(2). Since -current supports glibc2.1 now, change the default to 2.2.5 (was 2.0.36).
oss_version (defaults to 198144 [0x030600]) This one will be used by the OSS_GETVERSION ioctl (PR 12917) which I can commit now that we have the MIB. The default version number is the lowest version possible with the current 'encoding'.
A note about imprisoned processes (see jail(2)): These variables are copy-on-write (as suggested by phk). This means that imprisoned processes will use the system wide value unless it is written/set by the process. From that moment on, a copy local to the prison will be used.
A note about the implementation: I choose to add a single pointer to struct prison, because I didn't like the idea of changing struct prison every time I come up with a new variable. As a side effect, the extra storage is only needed when a variable is set from within the prison. This also minimizes kernel bloat when the Linuxulator is not used; both compiled in or as a module.
Reviewed by: bde (first version only) and phk
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