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revert that part of yesterday's diffs;
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so that the process-level stuff is to/from struct process and not
struct proc. This fixes a bunch of problem cases in rthreads.
Based on earlier work by blambert and myself, but mostly written
at c2k10.
Tested by many: deraadt, sthen, krw, ray, and in snapshots
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so that libkvm doesn't need to define that, thereby avoiding some warnings.
ok miod@
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KERN_FILE2 (or their libkvm wrappers) for more information than the
running implementation knows how to provide.
ok millert@ deraadt@
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files or directories when applicable.
The inspiration and name of MACHINE_CPU come from NetBSD, although the way to
provide it to Makefiles is completely different.
ok kettenis@
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it's unused inside libkvm, and nothing else is allowed to use it.
ok guenther@ "sure" deraadt@
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/dev/mem to be direct instead of going through kvm_getprocs(), as
that function is going to get more an more broken as we move stuff
from struct proc to struct process for rthreads. To minimize the
code copying, put the common logic of filling in a kinfo_proc2
structure into a macro FILL_KPROC2() in <sys/sysctl.h> for use from
both the kernel and user-space. This also hides the KERN_PROC
#define behind "#if defined(_KERNEL)||defined(_LIBKVM)", as it's
deprecated.
Positive feedback from millert and blambert; so committing to unblock
further rthreads work.
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of the value of PAGE_SIZE found in the standard headers when compiling.
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address as a kernel variable for use by libkvm.
On sgi IP27 and IP30 kernels, use XKSEG instead of CKSSEG; this will allow
kernel KVM size to grow in the future if necessary.
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unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms
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adapted from NetBSD fstat. OK deraadt@
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with ufs and add also udf support. OK miod@
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ok millert@
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normally as long as we define __need_process and use a local
definition of struct proclist.
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back on kmem grovelling for non-live kernels. OK deraadt@
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remove the code from libkvm that dealt with it.
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access the swap area. Change kvm_open() to no longer require a swap area,
and to not consider failure to open() it as fatal. Post-mortem analysis
would need an image of the swap area at the time of the crash, anyway.
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level 2 large pages.
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Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.
OK deraadt@
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pmap.h now includes pte.h.
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- Move the functionality of choosing a process from cpu_switch into
a much simpler function: cpu_switchto. Instead of having the locore
code walk the run queues, let the MI code choose the process we
want to run and only implement the context switching itself in MD
code.
- Let MD context switching run without worrying about spls or locks.
- Instead of having the idle loop implemented with special contexts
in MD code, implement one idle proc for each cpu. make the idle
loop MI with MD hooks.
- Change the proc lists from the old style vax queues to TAILQs.
- Change the sleep queue from vax queues to TAILQs. This makes
wakeup() go from O(n^2) to O(n)
there will be some MD fallout, but it will be fixed shortly.
There's also a few cleanups to be done after this.
deraadt@, kettenis@ ok
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ckuethe@ for a while. Okay beck@, "it is good timing" deraadt@.
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libkvm, but all the necessary information for a complete _kvm_kvatop() is
available in the crash dump.
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XKPHYS instead of KSEG[01] for direct mappings.
Then, detect memory above 256MB on O2 by poking at the CRIME registers
(ARCbios will not report memory above 256MB, which is mapped above 1GB
physical, to the system), and add it to the UVM managed memory.
Tested on r5k, rm5200 and r10k with and without more than 256MB, matching
hinv reports in all cases. CRIME memory decoding based on a diff from
kettenis@ in december 2005.
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okay miod@
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leave macros behind for now to keep the commit small
ok art beck miod pedro
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the freezes many of us are seeing (especially on amd64 machines running
OpenBSD/i386).
Much testing by nick@ (as always - thanks!), hugh@, ian@, kettenis@
and Sam Smith (s (at) msmith (dot) net).
Requested by, input from, and ok deraadt@ ok art@, kettenis@, miod@
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NetBSD.
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us did not see it or get a chance to test it before it was commited. It
broke cvs, in the ami driver, making it not succeed at seeing it's devices.
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this results in lesse kva waste due to static preallocation of those
for every phys page and also every swap page.
tested by beck krw miod
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crash dumps.
ok kettenis@
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