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History log of /src/sys/arch/ia64/include/cpu.h
RevisionDateAuthorComments
 1.22  06-Oct-2023  skrll Trailing whitespace
 1.21  31-May-2022  andvar fix various typos in comments, documentation and messages.
 1.20  01-Dec-2019  ad Fix false sharing problems with cpu_info. Identified with tprof(8).
This was a very nice win in my tests on a 48 CPU box.

- Reorganise cpu_data slightly according to usage.
- Put cpu_onproc into struct cpu_info alongside ci_curlwp (now is ci_onproc).
- On x86, put some items in their own cache lines according to usage, like
the IPI bitmask and ci_want_resched.
 1.19  24-Nov-2019  ad Make ci_want_resched a u_int.
 1.18  23-Nov-2019  ad cpu_need_resched():

- Remove all code that should be MI, leaving the bare minimum under arch/.
- Make the required actions very explicit.
- Pass in LWP pointer for convenience.
- When a trap is required on another CPU, have the IPI set it locally.
- Expunge cpu_did_resched().
 1.17  10-Jan-2019  scole consolidate hint@pause in one place. remove mf.a from memory barriers
 1.16  08-Apr-2017  scole branches: 1.16.12; 1.16.14;
Add ci_vhpt to cpu_info
 1.15  08-Feb-2017  christos __empty -> __nothing
 1.14  08-Feb-2017  christos don't define __empty.
 1.13  14-Jan-2017  christos branches: 1.13.2;
define empty bodies for incomplete implementations
 1.12  10-Nov-2013  christos branches: 1.12.6; 1.12.10;
use __unused instead of __USE and void cast to mark iterator variable unused
where needed (from phone)
 1.11  19-Oct-2013  christos make cpu_need_resched() macros consistent; __USE flags
 1.10  01-Oct-2011  chs branches: 1.10.2; 1.10.12; 1.10.16;
fix build errors with gcc 4.5.
 1.9  22-Oct-2009  rmind Avoid #ifndef __NO_CPU_LWP_FREE, only ia64 is missing cpu_lwp_free
routines and it can/should provide stubs.
 1.8  20-Jul-2009  kiyohara Fix little bit, and add a few files.
current status is to see following thread.
http://mail-index.netbsd.org/port-ia64/2009/06/18/msg000102.html
 1.7  18-Mar-2009  cegger Ansify function definitions w/o arguments. Generated with sed.
 1.6  28-Apr-2008  martin branches: 1.6.8; 1.6.14;
Remove clause 3 and 4 from TNF licenses
 1.5  20-Mar-2008  kochi branches: 1.5.2; 1.5.4;
Make ia64 kernel of GENERIC.SKI config compile.
Only compile tested.
 1.4  17-Oct-2007  garbled branches: 1.4.12; 1.4.16;
Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.
 1.3  21-Jul-2007  tsutsui branches: 1.3.6;
- kern_kern_microtime.c is gone, so replace references of it
with new kern/kern_cctr.c in TODO comments
- also replace struct cc_microtime_state member in struct cpu_info
with struct cctr_state defined in <sys/cctr.h>, which is unused yet
in this port
 1.2  16-Feb-2007  ad branches: 1.2.6; 1.2.14; 1.2.16; 1.2.18;
Remove spllowersoftclock() and CLKF_BASEPRI(), and always dispatch callouts
via a soft interrupt. In the near future, softclock will be run from process
context.
 1.1  07-Apr-2006  cherry branches: 1.1.2; 1.1.4; 1.1.6; 1.1.10; 1.1.14; 1.1.20;
Initial import of arch/ia64 sources.
These sources are ported from FreeBSD/ia64 code.
See individual source files for credits.
In addition, code from NetBSD/alpha NetBSD/sparc64,
NetBSD/i386 and NetBSD/amd64 were used as templates,
along with my own additions.
 1.1.20.2  09-Sep-2006  rpaulo sync with head
 1.1.20.1  07-Apr-2006  rpaulo file cpu.h was added on branch rpaulo-netinet-merge-pcb on 2006-09-09 02:40:29 +0000
 1.1.14.5  24-Mar-2008  yamt sync with head.
 1.1.14.4  03-Sep-2007  yamt sync with head.
 1.1.14.3  26-Feb-2007  yamt sync with head.
 1.1.14.2  21-Jun-2006  yamt sync with head.
 1.1.14.1  07-Apr-2006  yamt file cpu.h was added on branch yamt-lazymbuf on 2006-06-21 14:52:48 +0000
 1.1.10.2  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.1.10.1  07-Apr-2006  tron file cpu.h was added on branch peter-altq on 2006-05-24 15:47:59 +0000
 1.1.6.2  22-Apr-2006  simonb Sync with head.
 1.1.6.1  07-Apr-2006  simonb file cpu.h was added on branch simonb-timecounters on 2006-04-22 11:37:36 +0000
 1.1.4.2  19-Apr-2006  elad sync with head - hopefully this will work
 1.1.4.1  07-Apr-2006  elad file cpu.h was added on branch elad-kernelauth on 2006-04-19 02:32:59 +0000
 1.1.2.2  11-Apr-2006  yamt sync with head
 1.1.2.1  07-Apr-2006  yamt file cpu.h was added on branch yamt-pdpolicy on 2006-04-11 11:53:35 +0000
 1.2.18.1  15-Aug-2007  skrll Sync with HEAD.
 1.2.16.1  07-Aug-2007  matt Sync with HEAD.
 1.2.14.1  03-Oct-2007  garbled Sync with HEAD
 1.2.6.1  20-Aug-2007  ad Sync with HEAD.
 1.3.6.2  23-Mar-2008  matt sync with HEAD
 1.3.6.1  06-Nov-2007  matt sync with HEAD
 1.4.16.2  02-Jun-2008  mjf Sync with HEAD.
 1.4.16.1  03-Apr-2008  mjf Sync with HEAD.
 1.4.12.1  24-Mar-2008  keiichi sync with head.
 1.5.4.4  11-Mar-2010  yamt sync with head
 1.5.4.3  19-Aug-2009  yamt sync with head.
 1.5.4.2  04-May-2009  yamt sync with head.
 1.5.4.1  16-May-2008  yamt sync with head.
 1.5.2.1  18-May-2008  yamt sync with head.
 1.6.14.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.6.8.1  28-Apr-2009  skrll Sync with HEAD.
 1.10.16.1  18-May-2014  rmind sync with head
 1.10.12.2  03-Dec-2017  jdolecek update from HEAD
 1.10.12.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.10.2.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.12.10.2  26-Apr-2017  pgoyette Sync with HEAD
 1.12.10.1  20-Mar-2017  pgoyette Sync with HEAD
 1.12.6.2  28-Aug-2017  skrll Sync with HEAD
 1.12.6.1  05-Feb-2017  skrll Sync with HEAD
 1.13.2.1  21-Apr-2017  bouyer Sync with HEAD
 1.16.14.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.16.14.1  10-Jun-2019  christos Sync with HEAD
 1.16.12.1  18-Jan-2019  pgoyette Synch with HEAD

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