Date: Sat, 12 Feb 2005 15:38:09 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/sio sio.c Message-ID: <200502121538.j1CFc9vd098624@repoman.freebsd.org>
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rwatson 2005-02-12 15:38:09 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_5)
sys/dev/sio sio.c
Log:
Merge sio.c:1.457 and sio.c:1.458 from HEAD to RELENG_5:
date: 2005/02/03 10:35:05; author: rwatson; state: Exp; lines: +9 -5
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.
date: 2005/02/08 17:56:04; author: rwatson; state: Exp; lines: +5 -9
Simplify the "and if we're in the debugger, don't use locks" logic,
correcting some misthinking.
Discussed with (really this time): bde
Revision Changes Path
1.450.2.1 +1 -1 src/sys/dev/sio/sio.c
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