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331722 |
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29-Mar-2018 |
eadler |
Revert r330897:
This was intended to be a non-functional change. It wasn't. The commit message was thus wrong. In addition it broke arm, and merged crypto related code.
Revert with prejudice.
This revert skips files touched in r316370 since that commit was since MFCed. This revert also skips files that require $FreeBSD$ property changes.
Thank you to those who helped me get out of this mess including but not limited to gonzo, kevans, rgrimes.
Requested by: gjb (re)
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331643 |
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27-Mar-2018 |
dim |
MFC r314568 (by emaste):
kern_sig.c: ANSIfy and remove archaic register keyword
Sponsored by: The FreeBSD Foundation
MFC r318389 (by emaste):
Remove register keyword from sys/ and ANSIfy prototypes
A long long time ago the register keyword told the compiler to store the corresponding variable in a CPU register, but it is not relevant for any compiler used in the FreeBSD world today.
ANSIfy related prototypes while here.
Reviewed by: cem, jhb Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D10193
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330897 |
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14-Mar-2018 |
eadler |
Partial merge of the SPDX changes
These changes are incomplete but are making it difficult to determine what other changes can/should be merged.
No objections from: pfg
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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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189572 |
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09-Mar-2009 |
rwatson |
Trim comments about the MP-safety of various bits of the amd64/i386 system call entry path and i386 IP checksum generation: we now assume all code is MPSAFE unless explicitly marked otherwise. Remove XXX Giant comments along similar lines: the code by the comments either doesn't need or doesn't want Giant (especially the NMI handler).
MFC after: 3 days
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172835 |
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20-Oct-2007 |
bz |
Fold multiple asm statements into one so that the compiler at a certain optimization level (-march=pentium-mmx for example) does not insert intermediate ops which would trash the carry.
Change both sys/i386/i386/in_cksum.c[1] and sys/i386/include/in_cksum.h.
To my best understanding the same problem was addressed in rev. 1.16 of src/sys/i386/include/in_cksum.h for just a single function 3y ago.
Reviewed by: jhb Submitted by: Zhouyi ZHOU <zhouzhouyi FreeBSD.org> (intial version of [1]) MFC after: 5 days PR: 115678, 69257
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143063 |
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02-Mar-2005 |
joerg |
netchild's mega-patch to isolate compiler dependencies into a central place.
This moves the dependency on GCC's and other compiler's features into the central sys/cdefs.h file, while the individual source files can then refer to #ifdef __COMPILER_FEATURE_FOO where they by now used to refer to #if __GNUC__ > 3.1415 && __BARC__ <= 42.
By now, GCC and ICC (the Intel compiler) have been actively tested on IA32 platforms by netchild. Extension to other compilers is supposed to be possible, of course.
Submitted by: netchild Reviewed by: various developers on arch@, some time ago
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128019 |
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07-Apr-2004 |
imp |
Remove advertising clause from University of California Regent's license, per letter dated July 22, 1999 and email from Peter Wemm, Alan Cox and Robert Watson.
Approved by: core, peter, alc, rwatson
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126891 |
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12-Mar-2004 |
trhodes |
These are changes to allow to use the Intel C/C++ compiler (lang/icc) to build the kernel. It doesn't affect the operation if gcc.
Most of the changes are just adding __INTEL_COMPILER to #ifdef's, as icc v8 may define __GNUC__ some parts may look strange but are necessary.
Additional changes: - in_cksum.[ch]: * use a generic C version instead of the assembly version in the !gcc case (ASM code breaks with the optimizations icc does) -> no bad checksums with an icc compiled kernel Help from: andre, grehan, das Stolen from: alpha version via ppc version The entire checksum code should IMHO be replaced with the DragonFly version (because it isn't guaranteed future revisions of gcc will include similar optimizations) as in: ---snip--- Revision Changes Path 1.12 +1 -0 src/sys/conf/files.i386 1.4 +142 -558 src/sys/i386/i386/in_cksum.c 1.5 +33 -69 src/sys/i386/include/in_cksum.h 1.5 +2 -0 src/sys/netinet/igmp.c 1.6 +0 -1 src/sys/netinet/in.h 1.6 +2 -0 src/sys/netinet/ip_icmp.c
1.4 +3 -4 src/contrib/ipfilter/ip_compat.h 1.3 +1 -2 src/sbin/natd/icmp.c 1.4 +0 -1 src/sbin/natd/natd.c 1.48 +1 -0 src/sys/conf/files 1.2 +0 -1 src/sys/conf/files.amd64 1.13 +0 -1 src/sys/conf/files.i386 1.5 +0 -1 src/sys/conf/files.pc98 1.7 +1 -1 src/sys/contrib/ipfilter/netinet/fil.c 1.10 +2 -3 src/sys/contrib/ipfilter/netinet/ip_compat.h 1.10 +1 -1 src/sys/contrib/ipfilter/netinet/ip_fil.c 1.7 +1 -1 src/sys/dev/netif/txp/if_txp.c 1.7 +1 -1 src/sys/net/ip_mroute/ip_mroute.c 1.7 +1 -2 src/sys/net/ipfw/ip_fw2.c 1.6 +1 -2 src/sys/netinet/igmp.c 1.4 +158 -116 src/sys/netinet/in_cksum.c 1.6 +1 -1 src/sys/netinet/ip_gre.c 1.7 +1 -2 src/sys/netinet/ip_icmp.c 1.10 +1 -1 src/sys/netinet/ip_input.c 1.10 +1 -2 src/sys/netinet/ip_output.c 1.13 +1 -2 src/sys/netinet/tcp_input.c 1.9 +1 -2 src/sys/netinet/tcp_output.c 1.10 +1 -1 src/sys/netinet/tcp_subr.c 1.10 +1 -1 src/sys/netinet/tcp_syncache.c 1.9 +1 -2 src/sys/netinet/udp_usrreq.c
1.5 +1 -2 src/sys/netinet6/ipsec.c 1.5 +1 -2 src/sys/netproto/ipsec/ipsec.c 1.5 +1 -1 src/sys/netproto/ipsec/ipsec_input.c 1.4 +1 -2 src/sys/netproto/ipsec/ipsec_output.c
and finally remove sys/i386/i386 in_cksum.c sys/i386/include in_cksum.h ---snip--- - endian.h: * DTRT in C++ mode - quad.h: * we don't use gcc v1 anymore, remove support for it Suggested by: bde (long ago) - assym.h: * avoid zero-length arrays (remove dependency on a gcc specific feature) This change changes the contents of the object file, but as it's only used to generate some values for a header, and the generator knows how to handle this, there's no impact in the gcc case. Explained by: bde Submitted by: Marius Strobl <marius@alchemy.franken.de> - aicasm.c: * minor change to teach it about the way icc spells "-nostdinc" Not approved by: gibbs (no reply to my mail) - bump __FreeBSD_version (lang/icc needs to know about the changes)
Incarnations of this patch survive gcc compiles since a loooong time, I use it on my desktop. An icc compiled kernel works since Nov. 2003 (exceptions: snd_* if used as modules), it survives a build of the entire ports collection with icc.
Parts of this commit contains suggestions or submissions from Marius Strobl <marius@alchemy.franken.de>.
Reviewed by: -arch Submitted by: netchild
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115683 |
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02-Jun-2003 |
obrien |
Use __FBSDID().
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98648 |
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22-Jun-2002 |
jdp |
Fix several bugs in the i386 asm statements used to speed up Internet checksumming. These bugs could possibly cause bad code to be generated at elevated optimization levels.
First, eliminate the use of preprocessor magic to form the address fields of asm instructions. It hid the actual addresses being referenced from the compiler. Without knowledge of all the data dependencies, the compiler might possibly use optimizations which would result in incorrect code.
Use "__asm __volatile" rather than "__asm" for instruction sequences that pass information through the condition codes (the carry bit, in this case). Without __volatile, the compiler might add unrelated code between consecutive __asm instructions, modifying the condition codes. I have seen GCC insert stack pointer adjustments in this way, for example. Unfortunately, GCC doesn't provide a way to specify dependencies on the condition codes. You can specify that they are clobbered, but not that you are going to use them as input.
Finally, simplify the LOAD macro. This macro is used as a poor man's prefetch. The simpler version gives the compiler more leeway about just how it performs the prefetch.
MFC after: 1 week
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86332 |
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13-Nov-2001 |
keramida |
Replace use of "0" constraints in inline asm with "+" constraints, when an operand is used both for input and output.
Reviewed by: jhb
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69133 |
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25-Nov-2000 |
alfred |
These files are mpsafe.
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60162 |
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07-May-2000 |
ps |
Fix checksum calculations. This should fix the network problems in current where all packets were returning with bad checksums. (observed with netstat -s).
Reviewed by: alfred
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60104 |
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06-May-2000 |
jlemon |
Make in_cksum() a macro call to in_cksum_skip(), since it provides the same functionality. Sharing code should help cache issues.
Remove in_cksum_partial, since its not being used, and we now have a way to compute partial checksums on mbuf chains.
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58937 |
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02-Apr-2000 |
shin |
Print out more hints at illegal cksum len value.
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58698 |
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27-Mar-2000 |
jlemon |
Add support for offloading IP/TCP/UDP checksums to NIC hardware which supports them.
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54882 |
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20-Dec-1999 |
sheldonh |
Complement the sum as required in in_cksum_finalize().
PR: 15472 Submitted by: wollman
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50477 |
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27-Aug-1999 |
peter |
$Id$ -> $FreeBSD$
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43351 |
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28-Jan-1999 |
dillon |
Fix warnings related to -Wall -Wcast-qual
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43314 |
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27-Jan-1999 |
dillon |
Fix warnings in preparation for adding -Wall -Wcast-qual to the kernel compile
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35209 |
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15-Apr-1998 |
bde |
Support compiling with `gcc -ansi'. Fix missing `volatile's in __asm() statements while I'm here.
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29041 |
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02-Sep-1997 |
bde |
Removed unused #includes.
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28270 |
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16-Aug-1997 |
wollman |
Fix all areas of the system (or at least all those in LINT) to avoid storing socket addresses in mbufs. (Socket buffers are the one exception.) A number of kernel APIs needed to get fixed in order to make this happen. Also, fix three protocol families which kept PCBs in mbufs to not malloc them instead. Delete some old compatibility cruft while we're at it, and add some new routines in the in_cksum family.
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22975 |
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22-Feb-1997 |
peter |
Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not ready for it yet.
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21673 |
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14-Jan-1997 |
jkh |
Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
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12607 |
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03-Dec-1995 |
bde |
Completed function declarations and/or added prototypes.
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8876 |
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30-May-1995 |
rgrimes |
Remove trailing whitespace.
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2056 |
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13-Aug-1994 |
wollman |
Change all #includes to follow the current Berkeley style. Some of these ``changes'' are actually not changes at all, but CVS sometimes has trouble telling the difference.
This also includes support for second-directory compiles. This is not quite complete yet, as `config' doesn't yet do the right thing. You can still make it work trivially, however, by doing the following:
rm /sys/compile mkdir /usr/obj/sys/compile ln -s M-. /sys/compile cd /sys/i386/conf config MYKERNEL cd ../../compile/MYKERNEL ln -s /sys @ rm machine ln -s @/i386/include machine make depend make
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1247 |
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07-Mar-1994 |
dg |
1) enhanced in_cksum from Bruce Evans. 2) minor comment change in machdep.c 3) enhanced bzero from John Dyson (twice as fast on a 486DX/33)
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879 |
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18-Dec-1993 |
wollman |
Make everything compile with -Wtraditional. Make it easier to distribute a binary link-kit. Make all non-optional options (pagers, procfs) standard, and update LINT to reflect new symtab requirements.
NB: -Wtraditional will henceforth be forgotten. This editing pass was primarily intended to detect any constructions where the old code might have been relying on traditional C semantics or syntax. These were all fixed, and the result of fixing some of them means that -Wall is now a realistic possibility within a few weeks.
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798 |
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24-Nov-1993 |
wollman |
Make the LINT kernel compile with -W -Wreturn-type -Wcomment -Werror, and add same (sans -Werror) to Makefile for future compilations.
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620 |
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16-Oct-1993 |
rgrimes |
Removed all patch kit headers, sccsid and rcsid strings, put $Id$ in, some minor cleanup. Added $Id$ to files that did not have any version info, etc
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5 |
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12-Jun-1993 |
rgrimes |
This commit was generated by cvs2svn to compensate for changes in r4, which included commits to RCS files with non-trunk default branches.
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4 |
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12-Jun-1993 |
rgrimes |
Initial import, 0.1 + pk 0.2.4-B1
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