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the holes a MMU may have from a given vm_map. This will be automagically
invoked for newly created vmspaces.
On platforms with MMU holes (e.g. sun4, sun4c and vax), this prevents
mmap(2) hints which would end up being in the hole to be accepted as valid,
causing unexpected signals when the process tries to access the hole
(since pmap can not fill the hole anyway).
Unfortunately, the logic mmap() uses to pick a valid address for anonymous
mappings needs work, as it will only try to find an address higher than the
hint, which causes all mmap() with a hint in the hole to fail on vax. This
will be improved later.
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cpu_disklabel can go away, since nothing anymore needs to use it; ok miod
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to support hotplug media on most architectures. disklabel setup and
verification done using new helper functions. Disklabels must *always*
have a correct checksum now. Same code paths are used to learn on-disk
location disklabels, to avoid new errors sneaking in. Tested on almost all
cases, testing help from todd, kettenis, krw, otto, dlg, robert, gwk, drahn
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type of all variables to daddr64_t. this includes the APIs for XXsize()
and XXdump(), all range checks inside bio drivers, internal variables
for disklabel handling, and even uvm's swap offsets. re-read numerous
times by otto, miod, krw, thib to look for errors
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ok jmc@
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mbuf constants from MD param.h to MI param.h.
Besides being the same on every arch, things will
most probly break if any arch has different values
then the others.
The NMBCLUSTERS constants needs to be MD though;
ok miod@,krw@,claudio@
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splassert_ctl > 0 in __predict_false().
ok deraadt@
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have cpu_info now, so kill the option.
eyeballed by jsg@ and grange@
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option. Every architecture implements mutexes now.
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device_register() function -- even if it does nothing. reduces the
cpp-based blather different between architectures
idea ok'd by miod; tested on all architectures (except a few miod will
need to cleanup because he has them)
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miod@ tested (since I hacked it up blindly) and ok.
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machines. Instead -- build one solid clean MI version, and thenchange all
the architectures to use it. ok various people, tested on almost all cases.
(it is a 10094 line diff..)
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unconditionnaly.
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it's a good idea to use atomic.h operations on it. This mechanic
change updates all bit operations on p_flag to atomic_{set,clear}bits_int.
Only exception is that P_OWEUPC is set by MI code before calling
need_proftick and it's automatically cleared by ADDUPC. There's
no reason for MD handling of that flag since everyone handles it the
same way.
kettenis@ ok
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rt and such; tested and ok miod drahn
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right now that are supposed to be atomic with respect to interrupts and
SMP: atomic_setbits_int and atomic_clearbits_int.
All architectures other than i386 and amd64 get dummy implementations
since at first we'll be replacing operations that are done with
"a |= bit" and "a &= ~bit" today. More proper implementations will follow
kettenis@, miod@ ok
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use of MD spl code bowels. No functional change.
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statclock(), do not bother doing this in userret() anymore. As a result,
userret() does not need its pc and ticks arguments, simplify.
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- There is no need to check for buses config(8) will not let us attach to
- Better P4 bus logic, which does not need to abuse device flags
- Do not bother trying to print a meaningful device description when it is
not connected to sbus.
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for cpu_swapin() on hppa* which is kept).
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in the six cases using "512".
As DEV_BSHIFT is always 9, this should be a no-op.
"no objections" miod@ "I can't see any problem doing this." pedro@
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from sparc64 with love. Spotted by drahn@
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found by drahn@
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disk).
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as well.
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stack; found the hard way by Stefano <stefano@merlinobbs.net>.
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machines; this will be fixed post release. Reported by Serge Basterot.
ok deraadt@
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sparc and remove unused sun_dkioctl(). No functional change.
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architectures. They are now defined as unsigned long, long, long
and unsigned long respectively.
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Add new sys/_types.h header
Include machine/_types.h or sys/_types.h where applicable
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rename the types using the __ protected namespace (e.g. __size_t).
Idea from FreeBSD.
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Discussed with and ok deraadt@ millert@
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unless __BSD_VISIBLE or _LOCORE are set. OK deraadt@
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Problem noticed by deraadt@
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of using __extension__ directly. This lets us define away the whole
thing when lint is in use.
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