freebsd-nq/sys
John Baldwin 75e66e421a Improve pmap_change_attr() so that it is able to demote a large (2/4MB)
page into 4KB pages as needed.  This should be fairly rare in practice
on i386.  This includes merging the following changes from the amd64 pmap:
180430, 180485, 180845, 181043, 181077, and 196318.
- Add basic support for changing attributes on PDEs to pmap_change_attr()
  similar to the support in the initial version of pmap_change_attr() on
  amd64 including inlines for pmap_pde_attr() and pmap_pte_attr().
- Extend pmap_demote_pde() to include the ability to instantiate a new page
  table page where none existed before.
- Enhance pmap_change_attr().  Use pmap_demote_pde() to demote a 2/4MB page
  mapping to 4KB page mappings when the specified attribute change only
  applies to a portion of the 2/4MB page.  Previously, in such cases,
  pmap_change_attr() gave up and returned an error.
- Correct a critical accounting error in pmap_demote_pde().

Reviewed by:	alc
MFC after:	3 days
2009-08-31 17:42:52 +00:00
..
amd64 Make sure FreeBSD binaries without .note.ABI-tag section work 2009-08-30 14:38:17 +00:00
arm Reverse r196640 and r196644 for now. 2009-08-29 21:53:08 +00:00
boot Fix parse() so that the partition to boot (load /boot/loader) from can 2009-08-17 15:19:03 +00:00
bsm Import OpenBSM 1.1p1 from vendor branch to 8-CURRENT, populating 2009-07-17 14:02:20 +00:00
cam Short ATA command format has 28bit address, not 36bit. 2009-08-30 16:31:25 +00:00
cddl Backport the 'dirtying dbuf' panic fix from newer ZFS version. 2009-08-31 16:27:00 +00:00
compat Make sure FreeBSD binaries without .note.ABI-tag section work 2009-08-30 14:38:17 +00:00
conf Connect bwi up to the build. While there are some problems with this 2009-08-29 01:34:42 +00:00
contrib Fix argument ordering to memcpy as well as the size of the copy in the 2009-08-25 19:30:32 +00:00
crypto Changed to M_NOWAIT when reallocing psc_buf in padlock_sha_update(), 2009-05-27 09:52:12 +00:00
ddb Merge the remainder of kern_vimage.c and vimage.h into vnet.c and 2009-08-01 19:26:27 +00:00
dev add core dump support to blkfront 2009-08-30 20:45:24 +00:00
fs Remove spurious pfs_unlock(). 2009-08-31 09:26:04 +00:00
gdb
geom There's no need for checking result of M_WAITOK allocation. 2009-08-27 08:40:51 +00:00
gnu Fix the build by using proper format. 2009-06-25 16:48:13 +00:00
i386 Improve pmap_change_attr() so that it is able to demote a large (2/4MB) 2009-08-31 17:42:52 +00:00
ia64 Decouple ACPI CPU Ids from FreeBSD's cpuid. The ACPI Ids can be 2009-08-16 01:43:08 +00:00
isa Tweak the way that the ACPI and ISA bus drivers match hint devices to 2009-08-24 21:51:46 +00:00
kern Make the mnt_writeopcount and mnt_secondary_writes counters, 2009-08-31 10:20:52 +00:00
kgssapi When the KOBJMETHOD() macro was updated, it resulted in the 2009-06-14 17:33:46 +00:00
libkern done method is supposed to return int. 2009-06-22 22:09:18 +00:00
mips * Completely Remove the option STOP_NMI from the kernel. This option 2009-08-13 17:09:45 +00:00
modules Connect bwi up to the build. While there are some problems with this 2009-08-29 01:34:42 +00:00
net As part of r196609, a call to "rtalloc" did not take the fib into 2009-08-31 00:14:37 +00:00
net80211 Fix a typo in ifdef mesh support. This would make mesh unworkable if 2009-08-17 12:57:57 +00:00
netatalk Reverse misordered unlock and lock in at_control for netatalk phase I 2009-08-12 10:44:13 +00:00
netgraph Rework global locks for interface list and index management, correcting 2009-08-23 20:40:19 +00:00
netinet Fix a bug where vlan interfaces are not supported by SCTP. 2009-08-28 08:41:59 +00:00
netinet6 Prefix on-link verification is being performed on statically 2009-08-30 02:07:23 +00:00
netipsec Rework global locks for interface list and index management, correcting 2009-08-23 20:40:19 +00:00
netipx Use queue(9) instead of hand-crafted link lists for the global IPX 2009-06-24 20:57:50 +00:00
netnatm Reimplement the netisr framework in order to support parallel netisr 2009-06-01 10:41:38 +00:00
netncp
netsmb Rework socket upcalls to close some races with setup/teardown of upcalls. 2009-06-01 21:17:03 +00:00
nfs Revert rev 192323 (nfs_common.c only): 2009-07-12 03:53:52 +00:00
nfsclient Fix NFS panics with options VIMAGE kernels by apropriately setting curvnet 2009-08-24 10:09:30 +00:00
nfsserver Remove the old kernel RPC implementation and the NFS_LEGACYRPC option. 2009-06-30 19:03:27 +00:00
nlm Since svc_[dg|vc|tli|tp]_create() did not hold a reference count on the 2009-06-17 22:50:26 +00:00
opencrypto Fix cryptodev UIO creation. 2009-05-23 13:23:46 +00:00
pc98 Temporarily revert the new-bus locking for 8.0 release. It will be 2009-08-20 19:17:53 +00:00
pci Add RTL8168DP/RTL8111DP device id. While I'm here append "8111D" to 2009-08-24 18:58:13 +00:00
powerpc * Completely Remove the option STOP_NMI from the kernel. This option 2009-08-13 17:09:45 +00:00
rpc Fix NFS panics with options VIMAGE kernels by apropriately setting curvnet 2009-08-24 10:09:30 +00:00
security Correctly audit real gids following changes to the audit record argument 2009-08-12 10:45:45 +00:00
sparc64 * Completely Remove the option STOP_NMI from the kernel. This option 2009-08-13 17:09:45 +00:00
sun4v * Completely Remove the option STOP_NMI from the kernel. This option 2009-08-13 17:09:45 +00:00
sys Make sure FreeBSD binaries without .note.ABI-tag section work 2009-08-30 14:38:17 +00:00
tools - Increase dynamic range of filter coefficients from 28bit to 30bit. 2009-07-05 18:15:06 +00:00
ufs When a UFS node is truncated to the zero length, e.g. by explicit 2009-08-14 11:00:38 +00:00
vm Reverse r196640 and r196644 for now. 2009-08-29 21:53:08 +00:00
xdr Add a check for a NULL mbuf ptr at the beginning of xdrmbuf_inline() 2009-08-12 16:27:51 +00:00
xen Temporarily revert the new-bus locking for 8.0 release. It will be 2009-08-20 19:17:53 +00:00
Makefile Remove the unmaintained University of Michigan NFSv4 client from 8.x 2009-05-22 12:35:12 +00:00