Instead of casting to size_t, cast to uintmax_t to prevent truncation
(pointed out by chuq). In all these cases uio_offset can't be negative.

fix sign-compare issues: uio->uio_offset (off_t) is compared with (size_t):
cast the offset to size_t.

Maps don't change that frequently between reads, so don't give up and
do what linux does (support reading from an offset).

Merge riastradh-drm2 to HEAD.

PR/48048: Add a missing vm_map_unlock_read() and uvmspace_free() to the ENOMEM error case in procfs_domap()d

- match format with the linux map printing
- fix PK_32 map printing for linux processes
should fix 32 bit java stack guard setting.

VOP_GETATTR() needs a shared lock at least.

fix a botch in PRIxVADDR change (rev.1.38)

Use PRIxVADDR to print vaddr_t elements. Wrap lines.

gimpy invented PRIxVADDR format specifier.

merge christos-time_t

use bufsize instead of BUFFERSIZE

Handle files with a large number of mappings gracefully. Reported by Nicholas
Joly.

use vnode_to_path.

Remove the "struct lwp *" argument from all VFS and VOP interfaces.
The general trend is to remove it from all kernel interfaces and
this is a start. In case the calling lwp is desired, curlwp shoul

Remove the "struct lwp *" argument from all VFS and VOP interfaces.
The general trend is to remove it from all kernel interfaces and
this is a start. In case the calling lwp is desired, curlwp should
be used.

quick consensus on tech-kern

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nuke homegrown getcwd_common() decl

Instead of reading and writing little by little, allocate memory and
write the whole map in one shot so that we don't have to deal with the
map changing under us. Fixes the linux emulated jdk-1.6 whe

Instead of reading and writing little by little, allocate memory and
write the whole map in one shot so that we don't have to deal with the
map changing under us. Fixes the linux emulated jdk-1.6 where it was
losing the last map entry and could not find the stack on startup.

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procfs_map():

- Drop the target's vm_map lock before calling uiomove(). We could
deadlock if inspecting /proc/curproc/map.
- If the vm_map might have changed, restart the operation, but give
up

procfs_map():

- Drop the target's vm_map lock before calling uiomove(). We could
deadlock if inspecting /proc/curproc/map.
- If the vm_map might have changed, restart the operation, but give
up after 250 retries if the map keeps changing. XXX This is not
ideal.

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Change the process/lwp flags seen by userland via sysctl back to the
P_*/L_* naming convention, and rename the in-kernel flags to avoid
conflict. (P_ -> PK_, L_ -> LW_ ). Add back the (now unused) LS

Change the process/lwp flags seen by userland via sysctl back to the
P_*/L_* naming convention, and rename the in-kernel flags to avoid
conflict. (P_ -> PK_, L_ -> LW_ ). Add back the (now unused) LSDEAD
constant.

Restores source compatibility with pre-newlock2 tools like ps or top.

Reviewed by Andrew Doran.

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Merge newlock2 to head.

__unused removal on arguments; approved by core.

- sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386

Use the LWP cached credentials where sane.

integrate kauth.

merge ktrace-lwp.