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6c996a0055
freebsd-nq/sys
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Warner Losh 6c996a0055 Change hw.pci.do_powerstate from a boolean to a range. 0 means the 
same as today: do no power management.  1 means be conservative about
what you power down (any device class that has caused problems gets
added here).  2 means be agressive about what gets powered down (any
device class that's fundamental to the system is here).  3 means power
them all down, reguardless.  The default is 1.

The effect in the default system is to add mass storage devices to the
list that we don't power down.  From all the pciconf -l lists that
I've seen for the aac and amr issue, the bad device has been a mass
storage device class.

This is an attempt at a compromise between the very small number of
systems that have extreme issues with powerdown, and the very large
number of systems that gain real benefits from powerdown (I get about
20% more battery life when I attach a minimal set of drivers on my
Sony).  Hopefully it will strike the proper balance.

MFC After: 3 days (before next beta)
2005-09-11 04:09:44 +00:00
..
alpha Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
amd64 Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
arm Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
boot net.graph.ngqfreemax has been deprecated. 2005-08-31 10:51:55 +00:00
bsm For consistency with more system include files, add a trailing '_' to 2005-05-29 16:11:34 +00:00
cam Merge the dev_clone and dev_clone_cred event handlers into a single 2005-08-08 19:55:32 +00:00
coda Merge the dev_clone and dev_clone_cred event handlers into a single 2005-08-08 19:55:32 +00:00
compat Test the mbuf flags against the correct constant. The previous version 2005-08-30 16:21:51 +00:00
conf Don't pollute the entire kernel build with -I$S/contrib/dev/ath and 2005-09-11 03:38:18 +00:00
contrib Unbreak the build. Committed from the wrong directory. 2005-09-08 17:42:42 +00:00
crypto Add VIA/ACE "PadLock" support as a crypto(9) driver. 2005-08-18 00:30:22 +00:00
ddb Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
dev Change hw.pci.do_powerstate from a boolean to a range. 0 means the 2005-09-11 04:09:44 +00:00
doc
fs Ensure the full value is written into inode variables. 2005-09-07 10:32:58 +00:00
gdb check return value of gdb_rx_varhex 2005-03-28 18:31:18 +00:00
geom Fix copy&paste typo. 2005-09-10 07:46:47 +00:00
gnu In ext2_mountfs(), check that the superblock size, SBSIZE, 2005-09-10 21:30:49 +00:00
i4b Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and 2005-08-09 10:20:02 +00:00
i386 Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
ia64 Merge db_interface.c and db_trace.c into db_machdep.c. 2005-09-10 03:18:51 +00:00
isa Add pnp and location info for the ISA bus. The pnp info is the 2005-08-01 07:03:10 +00:00
isofs/cd9660 - restore the ability to mount cd9660 filesystems as root by inverting 2005-08-14 04:19:36 +00:00
kern Make callout_reset() return a non-zero value if a pending callout 2005-09-08 14:20:39 +00:00
libkern - Fix checking range of strings of struct iconv_add_in in libsmb and libkiconv, 2005-08-24 12:38:26 +00:00
modules Hook up the hptmv driver for amd64. 2005-09-08 03:29:18 +00:00
net Protect interface and address lists using the appropriate mutex. These 2005-09-10 15:12:24 +00:00
net80211 Properly set ic_curchan before calling back to device driver to do channel 2005-08-30 14:27:47 +00:00
netatalk Use the correct mbuf type for MGET(). 2005-08-30 16:28:46 +00:00
netatm Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and 2005-08-09 10:20:02 +00:00
netgraph Fix an item leak, that happens when some node calls ng_callout() two 2005-09-08 14:32:19 +00:00
netinet In tcp_ctlinput() do not swap ip->ip_len a second time. It 2005-09-10 07:43:29 +00:00
netinet6 IPv6 was improperly defining its malloc type the same as IPv4 (M_IPMADDR, 2005-09-07 10:11:49 +00:00
netipsec Correct typo in a comment describing vshiftl(). 2005-06-02 23:56:10 +00:00
netipx Forward declaring static variables as extern is invalid ISO-C. Now that 2005-09-07 10:06:14 +00:00
netkey SADB_UPDATE did not return an error when key length is invalid. 2005-08-22 07:05:14 +00:00
netnatm Forward declaring static variables as extern is invalid ISO-C. Now that 2005-09-07 10:06:14 +00:00
netncp Change API of mb_copy_t in libmchain so that netsmb can handle 2005-07-29 13:22:37 +00:00
netsmb Merge the dev_clone and dev_clone_cred event handlers into a single 2005-08-08 19:55:32 +00:00
nfs Fixes for NFS crashes on architectures that require strict alignment. 2005-07-14 20:08:27 +00:00
nfs4client - We want if (mrep != NULL) not if (m_freem != NULL). m_freem will never 2005-04-25 05:11:19 +00:00
nfsclient FIx for a bug in the change that made nfs_timer() MPSAFE. We need to 2005-07-27 15:06:26 +00:00
nfsserver NFS write gathering defers execution of NFS server write requests to wait 2005-04-17 16:25:36 +00:00
opencrypto Fix bogus check. It was possible to panic the kernel by giving 0 length. 2005-08-18 11:58:03 +00:00
pc98 MFi386: revision 1.1204. 2005-07-21 11:13:12 +00:00
pccard Change a directory layout for pc98. 2005-05-10 12:02:18 +00:00
pci Use if_printf() and device_printf() for printf's and remove the unit number 2005-08-31 18:03:18 +00:00
posix4 Introduce MAC Framework and MAC Policy entry points to label and control 2005-05-04 10:39:15 +00:00
powerpc Fix boot-time hang/panic on G3 systems when modifying IBAT0 in 2005-09-10 21:03:10 +00:00
rpc - Don't call rpcclnt_realign() if we don't have any mbufs to realign. 2005-03-19 01:16:25 +00:00
security Insert a series of place-holder function pointers in mac_policy.h for 2005-08-08 16:09:33 +00:00
sparc64 Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
sys Make callout_reset() return a non-zero value if a pending callout 2005-09-08 14:20:39 +00:00
tools Allow EVFILT_VNODE events to work on every filesystem type, not just 2005-06-09 20:20:31 +00:00
ufs Convert the primary ACL allocator from malloc(9) to using a UMA zone instead. 2005-09-06 00:06:30 +00:00
vm Introduce a new lock for the purpose of synchronizing access to the 2005-09-09 06:03:08 +00:00
Makefile When building cscopnamefile, default architecture to ${MACHINE}, not i386. 2005-03-08 00:09:41 +00:00