Date: Sun, 25 Jan 2009 16:59:29 +0000 (UTC) From: Ed Schouten <ed@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern uipc_domain.c Message-ID: <200901251659.n0PGxbYj048086@repoman.freebsd.org>
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ed 2009-01-25 16:59:29 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/kern uipc_domain.c
Log:
SVN rev 187690 on 2009-01-25 16:59:29Z by ed
MFC r186747 to releng/7:
Remove Giant locking from domains list.
During boot, the domain list is locked with Giant. It is not possible to
register any protocols after the system has booted, so the lock is only
used to protect insertion of entries.
There is already a mutex in uipc_domain.c called dom_mtx. Use this mutex
to lock the list, instead of using Giant. It won't matter anything with
respect to performance, but we'll never get rid of Giant if we don't
remove from places where we don't need it.
Approved by: rwatson
MFC after: 3 weeks
Revision Changes Path
1.51.2.3 +9 -9 src/sys/kern/uipc_domain.c
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