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| author | rwatson <rwatson@FreeBSD.org> | 2005-02-03 10:35:05 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2005-02-03 10:35:05 +0000 |
| commit | 6514406b988d9947fa6422072b22a0eb90610fbf (patch) | |
| tree | 8a1ca74961b920146dcafdabede3ae4c66c00394 /bin/dd/ref.lcase | |
| parent | 1bd82eeb1a0e950477df836bf5ec712b7d40b360 (diff) | |
| download | FreeBSD-src-6514406b988d9947fa6422072b22a0eb90610fbf.zip FreeBSD-src-6514406b988d9947fa6422072b22a0eb90610fbf.tar.gz | |
When entering siocnputc() with (kdb_active), don't acquire (or
release) the sio spin mutex, as use of synchronization primitives in
the debugger can result in substantial problems. With this patch in
place entering the debugger via a serial console is made
substantially more reliable.
MFC after: 1 week
Tested by: kris
Discussed with: bde
Diffstat (limited to 'bin/dd/ref.lcase')
0 files changed, 0 insertions, 0 deletions
