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logic in the dedicated signal stack case, too.
Also, every time the sigcontext position is recomputed by the above logic,
recheck the DAE addresses from the beginning, in case a formerly avoided
address now risks being overwritten.
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ok miod@
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system. This function checks for unicast and broadcast addresses, so
there is no need to do two lookups instead of one.
Inputs & ok jca@, ok mikeb@
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making sure the sigcontext will not overlap pending DAE accesses.
Fixes sporadic sys/kern/signal/earlysig regress failure.
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were to be enabled, it had a bug that prevented it from working anyway.
ok deraadt@, kettenis@
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with softraid(4) disks.
softraid(4) is the last real consumer of the doshutdownhooks(9) API and it is
not trivial to convert its hook to a DVACT_POWERDOWN handler since the latter
does not allow to sleep.
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new gateway for RTM_CHANGE if the route is not a multipath route.
Fixes issues found by benno@, OK benno@
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- when building the sigcontext, rewind the pipeline for recoverable
exceptions, so that sigreturn actually has a chance to cause the
interrupted instruction to be run again.
- when returning with sigreturn, and the sigcontext contains valid
DAE information, the DAE need to be emulated before returning, for
the processor will not reissue them.
- finally, when the sigframe is allocated on the current process' stack,
be careful not to stomp upon addresses referenced by the DAE information,
for this would defeat the previous point.
All these changes only affect 88100 processors only. 88110 operation is
unchanged.
While there, do not copyout an empty siginfo struct if the signal handler
does not expect any.
Hair-pulling evil testcase provided by aoyama@, based upon one of
devel/libsigsegv configure tests (which would spin on 88100 and run happily on
88110).
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exception type.
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instruction, rather than gazillions of inline variants. This also makes
the situations where we clear specific bits in the fip or nip registers
more visible.
No functional change.
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don't need anymore.
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Noticed by Josh Grosse.
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Found by LLVM/Clang Static Analyzer.
ok claudio@
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ok jsing@
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rebooting a machine, like it is done in the hibernate case.
At least some USB host controller drivers rely on this to busy way instead
of sleeping. Avoid a panic on macppc with an uhci(4) cardbus plugged in.
ok deraadt@, uebayashi@
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a filesystem. fs_nspf and its derivitives like fs_spc are DEV_BSIZE
values, not actual hardware disk sector values. Adjust initializations
accordingly.
Tweak header and man page comments to make the DEV_BSIZE'ness more
obvious for future spelunkers.
No-op for DEV_BSIZE (a.k.a. 512-byte) sector devices but should help
checking filesystems on, e.g., 4k-byte sector devices.
ok jmc@ on the man page tweaks.
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ok miod@
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PAGE_SIZE bytes. Completes the MAXPHYS optimizations in the read path.
with input from guenther@ who suggested a version that was a little easier
to understand. Tested on i386 and amd64.
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it to be writable but otherwise uses the correct final permissions.
Ergo, it only needs to call uvm_map_protect() if the requested
permissions didn't include UVM_PROT_WRITE.
ok beck@
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the boot process, USB devices must be attached or detached from the usb
task thread in order to avoid races with periodical explorations issued
by uhub(4) interrupts.
Respect this rule when detaching root hubs during a suspend/resume cycle
and avoid some hangs due to the aforementioned race.
Tested by Mattieu Baptiste, thanks!
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* fix bug preventing sync after more than one rw -> ro cycle.
* sync data and not only metadata
ok guenther@
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of rn_delete was changed). The mpath code gets a much better
rn_mpath_next() function that allows looping through the dupedkey list
based on prio, any or only active routes. This solves the issues seen
with failed deletes of down routes.
Commit this now so that it gets tested. Both sthen@ and blambert@ agree.
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already did for intagp(4).
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opensslconf.h is just a dummy, we're lightyears away from working userspace.
ok deraadt@
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userland from playing with the local and broadcast flags.
ok claudio@
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ok krw@, deraadt@
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ERESTART or EJUSTRETURN, for we're not supposed to. (Actually, setting the
carry bit upon syscall failure doesn't make much sense on m88k, since this is
not how the syscall stubs check for failure)
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many route entries are pointing to this address.
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the device has multiple interfaces and/or report IDs.
Make sure utpms(4) only matches the mouse interface of the HID device
embedded in Powerbooks and do not rely on the alphabetical order to
have a working ukbd(4) on such machines.
Problem reported by daniel@
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(aka ^T), summing CPU and check runnable/running status of all threads.
ok deraadt@
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ok matthew@
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DVACT_QUIESCE was not passed to usb(4) and a new uhub(4) device was
reattached at every resume.
Problem reported by mlarkin@
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ok miod@
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the Yeelong Lemote mips-based netbook. Kernel bits only for now, needs
polishing; most of this work done during h2k9 last month, although the
porting effort started earlier this year.
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Committing over MAC/BBP RT5390 (rev 0x0502), RF RT5370 (MIMO 1T1R).
Tested by myself, matthieu@, juanfra@
Diff glanced over by kettenis@
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