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a91ab3c099
freebsd-nq/sys
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Adrian Chadd a91ab3c099 Some TX dmamap cleanups. 
* Don't use BUS_DMA_ALLOCNOW for descriptor DMA maps; we never use
  bounce buffers for the descriptors themselves.

* Add some XXX's to mark where the ath_buf has its mbuf ripped from
  underneath it without actually cleaning up the dmamap.  I haven't
  audited those particular code paths to see if the DMA map is guaranteed
  to be setup there; I'll do that later.

* Print out a warning if the descdma tidyup code is given some descriptors
  w/ maps to free.  Ideally the owner will free the mbufs and unmap
  the descriptors before freeing the descriptor/ath_buf pairs, but
  right now that's not guaranteed to be done.

Reviewed by:	scottl (BUS_DMA_ALLOCNOW tag)
2013-04-02 06:24:22 +00:00
..
amd64 Add counter to keep track of the number of timer interrupts generated by 2013-03-31 03:56:48 +00:00
arm Fix low-level uart drivers that set their fifo sizes in the softc too late. 2013-04-01 00:44:20 +00:00
boot When running on armv6, set alignment checking to modulo-4 mode rather 2013-03-31 22:43:16 +00:00
bsm Implement chflagsat(2) system call, similar to fchmodat(2), but operates on 2013-03-21 22:59:01 +00:00
cam Added ATA Pass-Through support to CAM 2013-04-02 00:11:35 +00:00
cddl Dtrace: enablings on defunct providers prevent providers from unregistering 2013-04-01 19:13:46 +00:00
compat Regen. 2013-04-02 05:30:52 +00:00
conf Add VIMAGE to NOTES. 2013-04-02 05:57:36 +00:00
contrib Simplify TAILQ usage and avoid additional memory allocations. 2013-03-05 08:08:16 +00:00
crypto When porting XTS-related code from OpenBSD I forgot to update copyright (only 2013-02-20 22:59:53 +00:00
ddb Small textdump enhancements. 2012-11-01 04:07:08 +00:00
dev Some TX dmamap cleanups. 2013-04-02 06:24:22 +00:00
fs Strip the unnneeded spaces, mostly at the end of lines. 2013-04-01 09:56:48 +00:00
gdb
geom geom_slice.c and its consumers like GEOM_LABEL are not touching the data 2013-03-26 07:55:24 +00:00
gnu/fs/reiserfs Garbage collect XFS bits which are now already completely disconnected 2013-03-02 15:33:54 +00:00
i386 Fix the VM_BCACHE_SIZE_MAX definition on i386 to match the maximal 2013-03-27 10:52:18 +00:00
ia64 Implement the concept of the unmapped VMIO buffers, i.e. buffers which 2013-03-19 14:13:12 +00:00
isa
kern Regen. 2013-04-02 05:30:52 +00:00
kgssapi Piete.Brooks at cl.cam.ac.uk reported via email a crash which was 2012-12-18 00:25:48 +00:00
libkern Add __aeabi_memset to libkern, implemented using memset, as clang may 2013-03-16 23:11:55 +00:00
mips Fix low-level uart drivers that set their fifo sizes in the softc too late. 2013-04-01 00:44:20 +00:00
modules Dtrace: enablings on defunct providers prevent providers from unregistering 2013-04-01 19:13:46 +00:00
net Ignore interface renames instead of removing the interface from the bridge 2013-03-28 20:37:07 +00:00
net80211 Add VNET wrappers around the rest of the ieee80211 rtsock messages. 2013-03-20 02:42:52 +00:00
netatalk Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
netgraph Revamp mbuf handling in ng_ksocket_incoming2(): 2013-03-29 14:04:26 +00:00
netinet Add a macro for checking for IPv4 link local addresses. 2013-03-31 18:27:46 +00:00
netinet6 Clean up some unused leftover code. 2013-03-22 01:45:54 +00:00
netipsec Use m_get2() + m_align() instead of hand made key_alloc_mbuf(). Code 2013-03-15 10:20:15 +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
netpfil Fix ipfw rule validation partially broken by r248552. 2013-04-01 11:28:52 +00:00
netsmb Call make_dev_credf() rather than using the couple make_dev()/dev_ref(). 2013-03-09 16:58:19 +00:00
nfs Use m_get() and m_getcl() instead of compat macros. 2013-03-15 10:21:18 +00:00
nfsclient Fix remainder calculation when biosize is not a power of 2 2013-03-19 13:06:11 +00:00
nfsserver Switch the vm_object mutex to be a rwlock. This will enable in the 2013-03-09 02:32:23 +00:00
nlm Remove the support for using non-mpsafe filesystem modules. 2012-10-22 17:50:54 +00:00
ofed Switch the vm_object mutex to be a rwlock. This will enable in the 2013-03-09 02:32:23 +00:00
opencrypto When porting XTS-related code from OpenBSD I forgot to update copyright (only 2013-02-20 22:59:53 +00:00
pc98 Switch the vm_object mutex to be a rwlock. This will enable in the 2013-03-09 02:32:23 +00:00
pci Fix build. 2013-02-21 12:52:18 +00:00
powerpc Implement the concept of the unmapped VMIO buffers, i.e. buffers which 2013-03-19 14:13:12 +00:00
rpc Revert 195703 and 195821 as this special stop handling in NFS is now 2013-03-13 21:06:03 +00:00
security Switch the vm_object mutex to be a rwlock. This will enable in the 2013-03-09 02:32:23 +00:00
sparc64 Fix low-level uart drivers that set their fifo sizes in the softc too late. 2013-04-01 00:44:20 +00:00
sys Regen. 2013-04-02 05:30:52 +00:00
teken
tools Further refine the handling of stop signals in the NFS client. The 2013-02-21 19:02:50 +00:00
ufs The purpose of this change to the FFS layout policy is to reduce the 2013-03-22 21:45:28 +00:00
vm Release the v_writecount reference on the vnode in case of error, 2013-03-28 06:39:27 +00:00
x86 Record the correct error in the trace. 2013-04-01 09:57:46 +00:00
xdr Use m_get() and m_getcl() instead of compat macros. 2013-03-15 10:21:18 +00:00
xen Move the corresponding MTX_SYSINIT() next to their struct mtx declaration 2012-10-26 17:31:35 +00:00
Makefile Remove netncp cscope entry missed in r248097 2013-03-12 14:21:52 +00:00