d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
8da3fc95a7
freebsd-dev/sys
History
Alan Cox 8da3fc95a7 Acquiring smp_ipi_mtx on every call to pmap_invalidate_*() is wasteful. 
For example, during a buildworld more than half of the calls do not
generate an IPI because the only TLB entry invalidated is on the calling
processor.  This revision pushes down the acquisition and release of
smp_ipi_mtx into smp_tlb_shootdown() and smp_targeted_tlb_shootdown() and
instead uses sched_pin() and sched_unpin() in pmap_invalidate_*() so that
thread migration doesn't lead to a missed TLB invalidation.

Reviewed by: jhb
MFC after: 3 weeks
2007-03-05 21:40:10 +00:00
..
amd64 Acquiring smp_ipi_mtx on every call to pmap_invalidate_*() is wasteful. 2007-03-05 21:40:10 +00:00
arm Check for malloc return value 2007-03-05 06:33:08 +00:00
boot MFi386: revision 1.17. 2007-03-04 04:53:17 +00:00
bsm
cam Use tsleep() rather than msleep() with a NULL mtx. 2007-02-27 17:15:39 +00:00
coda coda_vptofh is never defined nor used. 2007-02-02 15:47:28 +00:00
compat MFP4: 113090, 113130, 113132 2007-03-02 01:10:26 +00:00
conf Recognize repo-copy of kern_acl.c to vfs_acl.c, remove kern_acl.c, 2007-03-05 13:24:01 +00:00
contrib - Add Intel firmwares for Intel PRO/Wireless LAN 2100/2200/2915 cards in a 2007-03-02 11:42:56 +00:00
crypto Initialize T1 to silent gcc warning. 2006-10-22 02:19:33 +00:00
ddb Use FOREACH_PROC_IN_SYSTEM instead of using its unrolled form. 2007-01-17 15:05:52 +00:00
dev Check the _TMP value for sanity also. On some systems (HP NX laptops), the 2007-03-05 21:39:53 +00:00
fs Change fifo_printinfo to check if the vnode v_fifoinfo pointer 2007-03-02 00:10:11 +00:00
gdb
geom Warn when user use sectorsize bigger than the page size, which will lead 2007-03-05 12:41:44 +00:00
gnu Rename PRIV_VFS_CLEARSUGID to PRIV_VFS_RETAINSUGID, which seems to better 2007-03-01 20:47:42 +00:00
i4b o break newbus api: add a new argument of type driver_filter_t to 2007-02-24 02:28:07 +00:00
i386 Acquiring smp_ipi_mtx on every call to pmap_invalidate_*() is wasteful. 2007-03-05 21:40:10 +00:00
ia64 Updated ia64 isa support with the new bus_setup_intr() syntax. 2007-02-24 16:56:22 +00:00
isa Partial fix for a bug in rev.1.231. If suspend/resume clobbers the 2007-03-05 09:10:17 +00:00
kern Replay minor system call comment cleanup applied to kern_acl.c in a race 2007-03-05 13:26:07 +00:00
libkern
modules - Add Intel firmwares for Intel PRO/Wireless LAN 2100/2200/2915 cards in a 2007-03-02 11:42:56 +00:00
net Prepare for 802.1p: 2007-02-28 22:05:30 +00:00
net80211 correct inital bounds check on returning scan results; this does not 2007-03-05 19:12:25 +00:00
netatalk Use privilege PRIV_NET_ADDIFADDR rather than suser() to authorize 2007-02-19 22:40:02 +00:00
netatm Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
netgraph Ensure message passed to "settimestamp" and "setcounter" is the right 2007-03-02 14:36:19 +00:00
netinet Purge an out-of-date comment. 2007-03-04 16:32:19 +00:00
netinet6 Add comments about common idioms for cleanup pass at a later date. 2007-02-28 21:58:37 +00:00
netipsec s,#if INET6,#ifdef INET6, 2006-12-14 17:33:46 +00:00
netipx Build ipx_ip.c only if options IPXIP is defined. No functional change. 2007-02-26 11:55:34 +00:00
netkey
netnatm Factor out my copyrights + licenses from Charles D. Cranor and 2007-01-08 22:30:39 +00:00
netncp Use pause() rather than tsleep() on stack variables and function pointers. 2007-02-27 17:23:29 +00:00
netsmb Backing out the wrong fix which could possibly trash the memory if devfs 2007-02-09 17:22:10 +00:00
nfs NFSv4 client: 2006-11-28 19:33:28 +00:00
nfs4client Rename some functions and variables from nfs_* to nfs4_* to avoid 2007-01-25 14:33:13 +00:00
nfsclient Use pause() rather than tsleep() on stack variables and function pointers. 2007-02-27 17:23:29 +00:00
nfsserver Change these descriptions of memory types used in malloc(9), as their 2007-03-05 00:21:40 +00:00
opencrypto
pc98 - Use mtx_{lock,unlock}_spin rather than {disable,enable}_intr. 2007-03-04 11:36:16 +00:00
pccard
pci Convert sis(4) to use its own watchdog procedure. 2007-02-24 14:27:36 +00:00
powerpc Make pswitch_intr() returns interrupt handling status. 2007-03-02 15:13:17 +00:00
rpc
security Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
sparc64 Use uma_set_align(). 2007-02-25 10:52:47 +00:00
sun4v o break newbus api: add a new argument of type driver_filter_t to 2007-02-23 12:19:07 +00:00
sys - Add Intel firmwares for Intel PRO/Wireless LAN 2100/2200/2915 cards in a 2007-03-02 11:42:56 +00:00
tools - Add Intel firmwares for Intel PRO/Wireless LAN 2100/2200/2915 cards in a 2007-03-02 11:42:56 +00:00
ufs Fix build breakage. 2007-03-01 23:14:46 +00:00
vm Use PCPU_LAZY_INC() to update page fault statistics. 2007-03-05 18:55:14 +00:00
Makefile o Add cam to a list of cscope dirs. 2006-11-26 18:27:16 +00:00