src-test2/sys/dev/null, branch release/10.0.0

Provide a device name in the sysctl tree for programs to query the

2012-11-01T17:01:05Z

state of crashdump target devices. This will be used to add a "-l" (ell) flag to dumpon(8) to list the currently configured dumpdev. Reviewed by: phk

Fix for PR 138526.

2012-01-11T15:00:16Z

Add the ability for /dev/null and /dev/zero to accept being set into non blocking mode via fcntl(). This brings the code into compliance with IEEE Std 1003.1-2001 as referenced in another PR, 94729. Reviewed by: jhb MFC after: 1 week

Move the ZERO_REGION_SIZE to a machine-dependent file, as on many

2011-05-13T19:35:01Z

architectures (i386, for example) the virtual memory space may be constrained enough that 2MB is a large chunk. Use 64K for arches other than amd64 and ia64, with special handling for sparc64 due to differing hardware. Also commit the comment changes to kmem_init_zero_region() that I missed due to not saving the file. (Darn the unfamiliar development environment). Arch maintainers, please feel free to adjust ZERO_REGION_SIZE as you see fit. Requested by: alc MFC after: 1 week MFC with: r221853

Usa a globally visible region of zeros for both /dev/zero and the md

2011-05-13T18:48:00Z

device. There are likely other kernel uses of "blob of zeros" than can be converted. Reviewed by: alc MFC after: 1 week

Mark /dev/zero and /dev/null as eternal.

2010-08-06T09:47:48Z

In collaboration with: pho MFC after: 1 month

Remove unneeded minor numbers from /dev/null and /dev/zero.

2009-09-06T09:59:02Z

Sweep kernel replacing suser(9) calls with priv(9) calls, assigning

2006-11-06T13:42:10Z

specific privilege names to a broad range of privileges. These may require some future tweaking. Sponsored by: nCircle Network Security, Inc. Obtained from: TrustedBSD Project Discussed on: arch@ Reviewed (at least in part) by: mlaier, jmg, pjd, bde, ceri, Alex Lyashkov , Skip Ford , Antoine Brodin

Use dynamic major number allocation.

2005-02-27T22:01:09Z

Go back to the historical minor numbers. Add a module version while

2004-08-02T19:59:41Z

I'm here. Asked for minor numbers by: jhb

YA oops. Remove code that was being tested locally.

2004-08-01T18:22:44Z