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rescinded 22 July 1999. Proofed by myself and Theo.
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The Legato Prestoserve NFS accelerator used to be very popular, back when
NFSv3 did not exist, and disks and network speeds were not as good as they
are now...
This driver does not attempt to play any game with filesystems, but will only
provide access to the cards NVRAM, as a block device.
If you have bright ideas on ``what to do with a few MB of battery-backed
memory'', I am interested in realistic suggestions!
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stubs, so that userland can do the same. we cannot just determine based
on sun4m, because cypress (at least) is a sun4m cpu without the instructions
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- get rid of splpmap, use splvm everywhere
- harmonize some 4_4c routines to wake them easier to diff against 4m
- fix an spl botch in can't happen situations on 4_4c
- fix pmap_stas.ps_npg_prot_all on 4m in case someone cares
- slightly better pmap_kenter_pa and pmap_kremove on 4_4c
art@ ok
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helps if the ramdac does not get initialized (idea from jason@)
- only register a shutdown hook for the frame buffers which need it, if this
is the console frame buffer. Otherwise this is just a waste of time.
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This allows us to remove some ambiguities on how some functions are called,
remove some diagnostic checks for conditions that can never happen and
remove the ugly hack with "pmap_initialized". It also removes some unnecessary
overhead in time-critical functions like pmap_{zero,copy}_page and
pmap_{is,clear}_{mod*,ref*}.
miod@ ok
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(which I will leave for Dale since it needs special handling).
From NetBSD (and same as sparc64). espie@ OK
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via flags, using 0x0001.
miod@ ok.
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instead of the pa. Most callers already had it handy and those who didn't
only called it for managed pages and were outside time-critical code.
This will allow us to make those functions clean and fast on sparc and
sparc64 letting us to avoid unnecessary cache flushes.
deraadt@ miod@ drahn@ ok.
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by wsconsctl.
ok art@
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For most framebuffers it is faster.
Other changes include:
o 24 bit support in tcx(4) for the S24 framebuffer
o accelerated cgsix(4) text console
o new cgtwelve(4) driver for the GS framebuffer
o improved serial driver code
o better keyboard support
The following framebuffers have not been tested but should work: cgfour,
cgeight and cgfourteen
These changes will require XF4 changes, to use Xwsfb instead of Xsun*, to be
commited later today.
Most of the work by me during the LSM and the week after, with code borrowed
from jason@, NetBSD (new serial code), and feedback from mickey@. Work on
pnozz(4) done by millert@
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The only OSes I've seen that use SIZE_T_MAX are 4.4BSD-derived whereas
SYSV things seem to use SIZE_MAX. It is also consistent with SSIZE_MAX
(which we already have). deraadt@ OK
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Pointed out by francisco <frisco@blackant.net>
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has been sitting in my tree for awhile)
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spl handling (already found 3 problems).
Man page in a few seconds.
deraadt@ ok.
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There are many interrupt handlers that assume that they don't need to do
any spl protection in their code because the interrupt of some level can't
be interrupted by an interrupt of the same level. The problem is that some
interrupt handlers have hardware levels that are lower then their "software"
levels.
Fix this by adding an additional field to struct intrhand that specifies which
"software" level an interrupt handler has and blocks that level while handling
the interrupt. This new field is initialized in intr_establish which gets
an additional argument (which can be -1 meaning that the interrupt handler
doesn't need to block any additional level).
ok deraadt@
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deraadt@ ok.
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Currently as no-ops everywhere.
ok art@, deraadt@
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usable in MD code in the future.
deraadt@ ok
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type characteristics.
internal_types.h will contain only settings invisible from standard C, e.g.,
in the __* or _[A-Z]* namespace, and be reused by files like limits.h.
This allows us to shorten machine/limits.h greatly, as all the common defines
are now in sys/limits.h, plus a small stub in internal_types.h.
Tested on all arches as far as I know.
Approved after discussion with art, millert, deraadt, and others.
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__P removal.
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there.
Win some uglyness points in fixing this.
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Instead of using a homegrown set of variables in this case, rely on uvmexp
fields once uvm has been initialized.
This requires a few #include <uvm/uvm_extern.h> here and there in the kernel
as well.
Idea from art@, changes by me.
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support added (i mean, written)
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Fixes PR #2219
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The patch allows you to change the value of NMBCLUSTERS, BUFCACHEPERCENT
and NKMEMPAGES using the config command, instead of recompiling the kernel.
This is the kernel part of the patch. I have compiled it on i386, sparc64,
alpha and macppc. -moj ok art@ maja@
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machines or some configurations or in some phase of the moon (we actually
don't know when or why) files disappeared. Since we've not been able to
track down the problem in two weeks intense debugging and we need -current
to be stable, back out everything to a state it had before UBC.
We apologise for the inconvenience.
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