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From Bryan Vyhmeister
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keep count for at least 33 seconds. then panic.
ok marco@, moral support johan@
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armani@ noticed that is was missing.
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one we use to dump the software interrupt number).
For some strange reason noticed upstream, writeback doesn't seem to be
working for this value for use, so instad of using the get_scratch
functions, we fallback to a direct register read (more bus traffic, but
it actually works).
This is to be used by new mesa on r100 and r200 since they reworked
stuff for dri2, and we have local patches that prevent userland mapping
the registers in dri clients.
Tested by Josh Elsasser on a M9 (rv250), thanks very much to him.
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- save about 26K of kernel memory by giving scsi
subsystem a hint that we won't be using more than
one lun per target;
- remove a debugging leftover.
from Mike Belopuhov <mkb@crypt.org.ru>
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comments from dlg@.
No need for a separate bufq.h, keep all of in buf.h; As requested by kittens
and deraadt.
Only sd(4) and wd(4) for now. The rest of the drivers will be converted soon,
also other goodies like heuristics for sd(4) for selecting the bufq type and
the death of disksort() are forthcoming.
Tested on: i386, amd64, sparc64, macppc, loongson and alpha by myself and
phessler.
OK art@, beck@, kettenis@, oga@
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disks for a few minutes there.
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Explain how an invaviant is satisfied and add an assertion to check
(never hit that one). As a side benefit clang doesn't bitch about a
possible NULL deref now.
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that in the reading-only case we need only wait for all gpu writes to be
done and flushed), don't then wait for the full seqno anyway.
Found by Clang's static analyser where it flagged a dead store to the
seqno variable.
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line with everything in the tree. No functional change.
I have wanted to do this for ages! More cleanup will be forthcoming.
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We no longer support these paths, only memory managed mode is now allowed.
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Tested by Brad on: BCM5706, BCM5708C
Tested by me on: BCM5716 (BCM5709 PHY)
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happier regarding potential kernel stack overflows, so just use the
(small) maximum buffer size in one case.
ok marco
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ok krw@, marco@
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ahci_ata_cmd is called with might be the state of the xfer that
ahci set previously. this stops ahci_ata_cmd from checking the
state of ata_xfers its given, and instead trusts that atascsi is
doing the right thing.
reported and fix tested by matthew dempsky, who also did an awesome
job of tracing the problem.
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For now they are unmaintained, and work on kernel modesetting has very
large inferface changes needing to be made. Also, when the radeon driver
has been converted over, we will no longer support X with the DRI1
protocol, only DRI2.
When the upheaval has finished, these drivers may be brought back after
work to switch them to DRI2 style memory management and kernel
modesetting has been done, but until then they are unsupported and
probably broken (i know at least two of them have been reported broken
before now). ragedrm will likely come back as a component of radeon
(their interfaces are still fairly similar). The other drivers require
rewriting.
I have been threatening to do this for over a year. Discussed with
deraadt@ and matthieu@ at various points since then.
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header.
Found by Clang static analyser.
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many laptops when powering them down.
ok jsg@, oga@, krw@
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than one to make gcc4 -Wbounded happy.
ok krw
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ok jsg@
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ok jsg@
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low-hanging splbio/splx pairs that are no longer needed and see if
this reveals any hidden scsi flaws.
ok dlg@
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-Wbounded happy.
ok kettenis
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ok krw@
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ok kevlo@, krw@
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mode pages that control the caches. this adds code that talks to the mpi
chip directly on behalf of those disks so you can enable write caching on
them.
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based on information in the linux driver.
ok claudio@
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ok marco.
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bus_dmamem_alloc(, BUS_DMA_ZERO);
"ok on all the ones with my copyright" marco@
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fence execbuffer logic.
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a fence.
This will stop the case where a newly untiled buffer that has been
reused will be execed as if it was tiled, causing havok.
Solves the PTE errors on mlarkin's 945. He has another bug that he is
currently bisecting for me which I am looking into.
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gets rid of #include <sys/dkio.h> in sys/ioctl.h and adds #include
<sys/dkio.h> to the places that actually want and use the disk
ioctls.
this became an issue when krw@'s X build failed when he was testing
a change to dkio.h.
tested by krw@
help from and ok miod@
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Fixes build with gcc4 which otherwise optimises away the modifications
to it, discovered by jakemsr@.
ok marco jsg
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