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49ec139f25
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jimharris 49ec139f25 Add bus_space_read_8 and bus_space_write_8 for amd64. 
Rather than trying to KASSERT for callers that invoke this on
IO tags, either do nothing (for write_8) or return ~0 (for read_8).
Using KASSERT here just makes bus.h too messy from both
polluting bus.h with systm.h (for any number of drivers that include
bus.h without first including systm.h) or ports that use bus.h
directly (i.e. libpciaccess) as reported by zeising@.

Also don't try to implement all of the other bus_space functions for
8 byte access since realistically only these two are needed for some
devices that expose 64-bit memory-mapped registers.

Put the amd64-specific functions here rather than sys/amd64/include/bus.h
so that we can keep this header unified for x86, as requested by mdf@
and tijl@.

Submitted by:	Carl Delsey <carl.r.delsey@intel.com>
MFC after:	3 days
2012-12-13 21:40:11 +00:00
..
amd64 Revert r243960 based on feedback regarding keeping x86 headers unified 2012-12-13 21:27:20 +00:00
arm Don't write-back the cachelines if we really just want to invalidate them. 2012-12-05 21:07:27 +00:00
boot Fix a regression caused by SVN r222417. 2012-12-12 17:49:01 +00:00
bsm Merge OpenBSM 1.2-alpha2 changes from contrib/openbsm to 2012-12-01 13:46:37 +00:00
cam Fix a couple of CTL locking issues and clean up some duplicated code. 2012-12-09 19:53:21 +00:00
cddl Added vfs.zfs.vdev.trim_on_init sysctl which allows full vdev trim on 2012-12-13 17:39:07 +00:00
compat Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
conf Add the AR5416/AR9285 bluetooth coexistence code into the main kernel 2012-12-03 23:43:23 +00:00
contrib Allow this file to build on FreeBSD. 2012-11-27 02:03:41 +00:00
crypto Revert previous commit... 2012-10-10 08:36:38 +00:00
ddb Small textdump enhancements. 2012-11-01 04:07:08 +00:00
dev Prevent possible usage of uninitialized pbase variable by checking 2012-12-13 03:35:47 +00:00
fs Add "nfsstat -m" support for the two new NFS mount options 2012-12-09 22:23:50 +00:00
gdb
geom - Don't pass geom and provider names as format strings. 2012-11-20 12:32:18 +00:00
gnu/fs r16312 is not any longer real since many years (likely since when VFS 2012-11-19 22:43:45 +00:00
i386 Revert r243960 based on feedback regarding keeping x86 headers unified 2012-12-13 21:27:20 +00:00
ia64 Flip the semantic of M_NOWAIT to only require the allocation to not 2012-11-14 20:01:40 +00:00
isa
kern Cleanup more of the kassert_panic. 2012-12-11 07:08:14 +00:00
kgssapi
libkern Sync strlcpy with userland version. 2012-11-03 04:29:24 +00:00
mips Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
modules Add the btcoex code into the module compilation. 2012-12-03 23:38:08 +00:00
net Fix problem in r238990. The LLE_LINKED flag should be tested prior to 2012-12-13 11:11:15 +00:00
net80211 Adjust the channel to correctly setup the HT flags when transitioning 2012-12-10 07:00:46 +00:00
netatalk Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netgraph Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netinet Fix problem in r238990. The LLE_LINKED flag should be tested prior to 2012-12-13 11:11:15 +00:00
netinet6 Fix problem in r238990. The LLE_LINKED flag should be tested prior to 2012-12-13 11:11:15 +00:00
netipsec Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netipx Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netnatm Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netncp Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netpfil Merge rev. 1.119 from OpenBSD: 2012-12-13 12:51:22 +00:00
netsmb Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
nfs Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
nfsclient Move the NFSv4.1 client patches over from projects/nfsv4.1-client 2012-12-08 22:52:39 +00:00
nfsserver Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
nlm Remove the support for using non-mpsafe filesystem modules. 2012-10-22 17:50:54 +00:00
ofed Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
opencrypto Revert previous commit... 2012-10-10 08:36:38 +00:00
pc98 Reduce diffs against i386. 2012-11-10 13:48:41 +00:00
pci Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
powerpc Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
rpc Add support for backchannels to the kernel RPC. Backchannels 2012-12-08 00:29:16 +00:00
security Merge OpenBSM 1.2-alpha2 changes from contrib/openbsm to 2012-12-01 13:46:37 +00:00
sparc64 Move the declaration of vm_phys_paddr_to_vm_page() from vm/vm_page.h 2012-11-16 05:55:56 +00:00
sys Similar to CTLFLAG_RDTUN, provide CTLFLAG_RWTUN that defines writable sysctl 2012-12-11 19:54:35 +00:00
teken
tools Revert previous commit... 2012-10-10 08:36:38 +00:00
ufs r16312 is not any longer real since many years (likely since when VFS 2012-11-19 22:43:45 +00:00
vm In the past four years, we've added two new vm object types. Each time, 2012-12-09 00:32:38 +00:00
x86 Add bus_space_read_8 and bus_space_write_8 for amd64. 2012-12-13 21:40:11 +00:00
xdr
xen Move the corresponding MTX_SYSINIT() next to their struct mtx declaration 2012-10-26 17:31:35 +00:00
Makefile Run cscope with the -v parameter to make it more user-friendly. 2012-12-02 20:51:24 +00:00