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0019917542
freebsd-dev/sys
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Jake Burkholder 0019917542 Fix a bug in the data access error recorvery. Before re-enabling the data 
cache after a data access error we must discard all cache lines.  When
disabled existing cache lines are not invalidated by stores to memory, so
we risk reading stale data that was cached before the data access error if
we don't flush them.  This is especially fatal when the memory involved
is the active part of the kernel or user stack.  For good measure we also
flush the instruction cache.

This fixes random crashes when the X server probes the PCI bus through
/dev/pci.
2003-11-11 06:41:54 +00:00
..
alpha Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
amd64 MFamd64 (via P4, not in CVS yet): 2003-11-10 21:24:34 +00:00
arm Add sysentvec->sv_fixlimits() hook so that we can catch cases on 64 bit 2003-09-25 01:10:26 +00:00
boot Include <sys/reboot.h> the definition of RB_BOOTINFO. The previous 2003-11-11 06:27:34 +00:00
cam - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
coda - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
compat Use kern_sendit rather than sendit for the Linux send* syscalls. 2003-11-09 17:04:04 +00:00
conf enable aes-xcbc-mac and aes-ctr, again. 2003-11-10 10:39:14 +00:00
contrib This commit was generated by cvs2svn to compensate for changes in r122208, 2003-11-07 08:54:27 +00:00
crypto rijndael-alg-fst.[ch]: 2003-11-10 10:33:39 +00:00
ddb Reworked rev.1.14. Use the ELF symbol type again to summarily reject 2003-09-28 06:02:33 +00:00
dev Fix sound LOR problems: 2003-11-11 05:38:28 +00:00
fs If fifo_open() is interrupted, fifo_close() may not get called, causing 2003-11-10 22:21:00 +00:00
geom Close the right consumers if we run into trouble opening them all. 2003-10-24 18:47:31 +00:00
gnu Fixed a reference to a nonexistent variable in previous commit. Renaming 2003-11-05 11:56:58 +00:00
i4b Based on an excellent suggestion from tanimura@ define I4BPRI and use it 2003-11-10 14:20:34 +00:00
i386 MFamd64 (via P4, not in CVS yet): 2003-11-10 21:24:34 +00:00
ia64 In get_mcontext(), do not update bspstore and ndirty in the trapframe. 2003-11-10 05:28:05 +00:00
isa - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
isofs/cd9660 DuH! 2003-10-18 14:10:28 +00:00
kern Have utrace(2) return ENOMEM if malloc() fails. Document this error 2003-11-11 04:54:11 +00:00
libkern - Support for multibyte charsets in LIBICONV. 2003-09-26 20:26:25 +00:00
modules Don't compile with -g by default; there's a better way to build modules with 2003-11-10 12:54:54 +00:00
net - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
net80211 fix typo that broke AP scanning by BSSID 2003-11-09 23:36:46 +00:00
netatalk o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netatm o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netgraph o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netinet use Giant-less callouts when debug_mpsafenet is non-zero 2003-11-10 23:29:33 +00:00
netinet6 enable aes-xcbc-mac and aes-ctr, again. 2003-11-10 10:39:14 +00:00
netipsec MFp4: portability work, general cleanup, locking fixes 2003-09-29 22:57:43 +00:00
netipx o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netkey - cleanup SP refcnt issue. 2003-11-04 16:02:05 +00:00
netnatm o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netncp The present defaults for the open and close for device drivers which 2003-09-27 12:01:01 +00:00
netsmb - Support for multibyte charsets in LIBICONV. 2003-09-26 20:26:25 +00:00
nfs
nfsclient Stop using shared locks for nfs vop locks. 2003-11-11 00:32:46 +00:00
nfsserver Assert GIANT_REQUIRED where sockets are manipulated. This is 2003-11-07 22:57:09 +00:00
opencrypto falloc allocates a file structure and adds it to the file descriptor 2003-10-19 20:41:07 +00:00
pc98 Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
pccard - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
pci Ahh, the joys of badge engineering. Tell the sk driver that the 2003-11-07 22:04:26 +00:00
posix4 sched_setscheduler: Return EINVAL when a invalid policy is specified, 2003-09-13 18:46:24 +00:00
powerpc Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
rpc
security Whitespace sync to MAC branch, expand comment at the head of the file. 2003-11-11 03:40:04 +00:00
sparc64 Fix a bug in the data access error recorvery. Before re-enabling the data 2003-11-11 06:41:54 +00:00
sys If a thread masks all its signal, in cursig(), no signal will be exchanged 2003-11-10 03:11:08 +00:00
tools Changes for new SMP-safe kobj method dispatch algorithm. 2003-10-16 13:29:26 +00:00
ufs Remove mntvnode_mtx and replace it with per-mountpoint mutex. 2003-11-05 04:30:08 +00:00
vm - The Open Group Base Specifications Issue 6 specifies that an munmap(2) 2003-11-10 01:37:40 +00:00
Makefile Revert exclusion for amd64 that stopped boot/ being built. 2003-06-26 03:52:48 +00:00