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authorrwatson <rwatson@FreeBSD.org>2005-02-03 10:35:05 +0000
committerrwatson <rwatson@FreeBSD.org>2005-02-03 10:35:05 +0000
commit6514406b988d9947fa6422072b22a0eb90610fbf (patch)
tree8a1ca74961b920146dcafdabede3ae4c66c00394 /games
parent1bd82eeb1a0e950477df836bf5ec712b7d40b360 (diff)
downloadFreeBSD-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
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