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996177338f
freebsd-nq/sys
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Robert Watson 996177338f Derive the XENHVM kernel from GENERIC, adding only the options required 
to support PV drivers (such as xenpci), and non-adptive locking (along
with a comment about why).

This change eliminates the synchronisation problem between GENERIC and
XENHVM, which had become severely rotted in HEAD, and in 8-STABLE
included non-production kernel debugging features such as WITNESS.

However, it comes at the cost of enabling devices and options that may
not be present under Xen (such as random ethernet cards).  For now, opt
for a simpler kernel configuration file rather than using nooptions/
nodevice to enumerate and eliminate them.  This leads to a somewhat
larger XENHVM kernel.

This is an MFC candidate for 8-STABLE before 8.2, in order to provide
a production-worthy XENHVM kernel configuration for amd64.

Discussed with:	gibbs, cperciva
Reported by:	Piete Brooks <Piete.Brooks at cl.cam.ac.uk>
Sponsored by:	DARPA, AFRL
MFC after:	3 days
2010-12-10 22:22:01 +00:00
..
amd64 Derive the XENHVM kernel from GENERIC, adding only the options required 2010-12-10 22:22:01 +00:00
arm Fix double ;; 2010-12-06 10:24:06 +00:00
boot Give a bit of a hint of the failure (read != expected) but don't make 2010-11-25 03:16:31 +00:00
bsm
cam Fix a few issues related to the XPT_GDEV_ADVINFO CCB. 2010-12-10 21:38:51 +00:00
cddl Undo r216230: the interaction between saved ashift in metadata and 2010-12-07 15:24:08 +00:00
compat Implement NdisGetRoutineAddress and MmGetSystemRoutineAddress used in 2010-12-06 20:54:53 +00:00
conf Replace i386/i386/busdma_machdep.c and amd64/amd64/busdma_machdep.c 2010-12-09 06:41:50 +00:00
contrib Merge Cavium Octeon SDK 2.0 Simple Executive; this brings some fixes and new 2010-11-28 08:18:16 +00:00
crypto Remove DEBUG sections. 2010-11-27 15:41:44 +00:00
ddb
dev Implement more of __ibsta: END and SRQI status bits (taken out of the 2010-12-10 22:20:11 +00:00
fs Disable attempts to establish a callback connection from the 2010-12-09 19:02:23 +00:00
gdb
geom Don't warn if a partition appears not to be aligned on a track boundary. 2010-12-07 20:46:11 +00:00
gnu Remove prtactive variable and related printf()s in the vop_inactive 2010-11-19 21:17:34 +00:00
i386 When r207410 eliminated the acquisition and release of the page queues 2010-12-09 20:16:00 +00:00
ia64 Revert r216134. This checkin broke platforms where bus_space are macros: 2010-12-03 07:09:23 +00:00
isa
kern Refactor fork1() to make it easier to follow. No functional changes. 2010-12-10 08:33:56 +00:00
kgssapi
libkern Add support for asterisk characters when filling in the GELI password 2010-11-14 14:12:43 +00:00
mips Fix compilation when DEBUG option is enabled. 2010-12-09 12:30:13 +00:00
modules Import a clean-room implementation of the experimental H-TCP congestion control 2010-12-02 06:40:21 +00:00
net Adds IFF_CANTCONFIG to IFF_CANTCHANGE that it shouldn't happen through 2010-12-07 20:31:04 +00:00
net80211 The meshid element is memcpy()'ed into se_meshid if included in either 2010-11-22 19:01:47 +00:00
netatalk
netgraph Simplify ng_pipe locking model by relying on the netgraph framework 2010-11-24 16:02:58 +00:00
netinet Use correct field to track statistics counting error as bad header length. 2010-12-05 01:09:48 +00:00
netinet6 Loosen the locking in nd6-free() again after r216022 to avoid 2010-12-07 22:43:29 +00:00
netipsec After some off-list discussion, revert a number of changes to the 2010-11-22 19:32:54 +00:00
netipx
netnatm
netncp
netsmb
nfs Fix the type of the 3rd argument for nm_getinfo so that it works 2010-10-19 11:55:58 +00:00
nfsclient Remove prtactive variable and related printf()s in the vop_inactive 2010-11-19 21:17:34 +00:00
nfsserver Fix a bug in r214049. The nvp == vp case shall be handled specially 2010-11-05 21:13:16 +00:00
nlm Modify the NFS clients and the NLM so that the NLM can be used 2010-10-19 00:20:00 +00:00
opencrypto Let cryptosoft(4) add its pseudo-device with a specific unit number and its 2010-11-14 13:09:32 +00:00
pc98 Do not subtract 0.5% from estimated frequency if DELAY(9) is driven by TSC. 2010-12-08 23:40:41 +00:00
pci Remove standard PCI configuration space register definitions. 2010-11-08 22:10:51 +00:00
powerpc Switch which software-reserved bit is used to designate a locked PTE 2010-12-05 01:17:53 +00:00
rpc
security Fix typos. 2010-11-09 10:59:09 +00:00
sparc64 Revert r216134. This checkin broke platforms where bus_space are macros: 2010-12-03 07:09:23 +00:00
sun4v Revert r216134. This checkin broke platforms where bus_space are macros: 2010-12-03 07:09:23 +00:00
sys MFp4: 2010-12-09 02:42:02 +00:00
teken Use proper bounds checking on VPA. 2010-12-05 10:15:23 +00:00
tools
ufs Journal start looks up .sujournal file by doing lookup on the root dvp. 2010-12-01 21:19:11 +00:00
vm Fix a long standing (from the original 4.4BSD lite sources) race between 2010-12-09 21:02:22 +00:00
x86 Remove AMD Family 0Fh, Model 6Bh, Stepping 2 from the list of P-state 2010-12-09 21:29:36 +00:00
xdr
xen Postpone the unmasking of event channels (aka. interrupts) until after 2010-12-07 23:33:20 +00:00
Makefile Add lex and yacc sources to things cscope'd. 2010-11-21 03:58:11 +00:00